Detailed Specs Comparison

Dell Optiplex 7090 Tower vs. Dell Optiplex 3090 SFF

Here is a side by side comparison between Dell Optiplex 7090 Tower and Dell Optiplex 3090 SFF specs including price, processors, memory, graphics, storage, ports, and more.

Specs Comparison

Dell Optiplex 7090 Tower image
Dell Optiplex 7090 Tower
Dell Optiplex 3090 SFF image
Dell Optiplex 3090 SFF

Key Features

What's new
  • New 10th and 11th Gen Intel Core Processors.
  • Up to Intel Core i9-11900K (8 cores/ 16 threads).
  • Up to NVIDIA® GeForce® RTX 3070, (8GB GDDR6).
  • Up to 64GB 3200MHz DDR4 memory
  • Up to 128GB 2933MHz DD4 memory.
  • Up to 2 x 2TB PCIe Gen 4 x4 NVMe SSD.
  • Option to preloaded with Windows 11 Pro.
  • 10th Generation Intel Comet Lake Processors.
  • Up to Intel Core i5-10600 (6 cores/ 12 threads).
  • Up to AMD Radeon RX 640, (4GB GDDR5).
  • Up to 64GB 2666MHz DDR4 memory
  • Up to 200W with 80 Plus Platinum PSU.
What's missing
  • Using the same 10th Gen Intel processors as its previous generation.
  • Has only two front USB 2.0 ports.
    Other two USB 3.2 Gen 1 ports move to the back.

Availability

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
Released20212021
Release InfoAnnounced on May 11, 2021.Announced in October 2021.
Pricing10th Gen Intel Processor
  • $1,618.00
    i5-10505 16GB 1TB 2.5” HDD 260W PSU Wi-Fi 6
  • $1,870.00
    i7-10700 16GB 256GB M.2 260W PSU DVD+/-RW
  • $1,941.43 
    i7-10700 16GB 512GB M.2 260W PSU DVD+/-RW
11th Gen Intel Processor
  • $1,912.86
    i7-11700 16GB 256GB M.2 260W PSU DVD+/-RW
  • $1,984.29
    i7-11700 16GB 512GB M.2 260W PSU DVD+/-RW
  • $719.00
    i3-10100 4GB 500GB 3.5” HDD 200W PSU
  • $750.48
    i5-10500 4GB 500GB 3.5” HDD 200W PSU
  • $1,193.32
    i5-10600 16GB 512GB M.2 SDD AMD RX 640 200W PSU
Generations
Dell Optiplex 7090 Tower Price
Dell OptiPlex 7090 7000 Business Tower Desktop Computer, Intel Octa-Core i7-11700, 32GB DDR4 RAM, 1TB PCIe SSD, DVDRW, 802.11AC WiFi, Bluetooth, Ethernet, Keyboard and Mouse, Windows 11 Pro
Dell OptiPlex 7090 7000 Business Tower Desktop Computer, Intel Octa-Core i7-11700, 32GB DDR4 RAM, 1TB PCIe SSD, DVDRW, 802.11AC WiFi, Bluetooth, Ethernet, Keyboard and Mouse, Windows 11 Pro
By Dell
$839.00
Dell OptiPlex 7090 Desktop Computer, Intel Core i9-11900K, 64GB RAM, 2TB NVMe SSD, USB C, Built-in WiFi- Bluetooth, Display Port, DVDRW, Windows 11 Pro, Black, 7000 Series SFF
Dell OptiPlex 7090 Desktop Computer, Intel Core i9-11900K, 64GB RAM, 2TB NVMe SSD, USB C, Built-in WiFi- Bluetooth, Display Port, DVDRW, Windows 11 Pro, Black, 7000 Series SFF
By Dell
$1,069.99
Dell OptiPlex 7000 Series 7090 Tower Business Desktop, Intel Core i7-11700, 32GB RAM, 1TB SSD, DVD-RW, Display Port, Wired Keyboard & Mouse, Wi-Fi, Windows 11 Pro
Dell OptiPlex 7000 Series 7090 Tower Business Desktop, Intel Core i7-11700, 32GB RAM, 1TB SSD, DVD-RW, Display Port, Wired Keyboard & Mouse, Wi-Fi, Windows 11 Pro
By Dell
$980.00
Dell Optiplex 3090 SFF Price
Dell OptiPlex 3000 3090 Desktop Computer - Intel Core i5 10th Gen i5-10505 Hexa-core (6 Core) 3.20 GHz - 16 GB RAM DDR4 SDRAM - 256 GB M.2 PCI Express NVMe SSD - Small Form Factor - Black
Dell OptiPlex 3000 3090 Desktop Computer - Intel Core i5 10th Gen i5-10505 Hexa-core (6 Core) 3.20 GHz - 16 GB RAM DDR4 SDRAM - 256 GB M.2 PCI Express NVMe SSD - Small Form Factor - Black
By Dell
$741.00
Dell REFURB 3090 i5 16G 256G SFF (Certified Refurbished)
Dell REFURB 3090 i5 16G 256G SFF (Certified Refurbished)
By Dell
$499.00
Dell OptiPlex 3000 Desktop Computer - Intel Core i5 12th Gen i5-12500 Hexa-core (6 Core) 3 GHz - 16 GB RAM DDR4 SDRAM - 512 GB M.2 PCI Express NVMe 3.0 x4 SSD - Small Form Factor - Black
Dell OptiPlex 3000 Desktop Computer - Intel Core i5 12th Gen i5-12500 Hexa-core (6 Core) 3 GHz - 16 GB RAM DDR4 SDRAM - 512 GB M.2 PCI Express NVMe 3.0 x4 SSD - Small Form Factor - Black
By Dell
$688.99

Exterior

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
Size Comparison
Dimensions11.84” x 14.45” x 6.65” (300.80 x 367 x 169 mm)11.42” x 11.53” x 3.65” (290 x 293 x 93 mm)
WeightUp to 22.53 lb (10.22 kg)Starting at 8 lbs (5.35 kg)
Colors
Black
Black
Keyboard and Trackpad
  • Dell Pro Wireless Keyboard and Mouse - KM5221W - English
  • Dell KB522 Business Multimedia Keyboard (US)
  • Dell KB813 Smart Card Keyboard (US)
  • Dell KB216 Wired Keyboard English
  • No Keyboard
  • Dell KB216 Wired Keyboard English
  • Dell KB522 Business Multimedia Keyboard (US)
  • Dell KB813 Smart Card Keyboard (US)
  • Dell Pro Wireless Keyboard and Mouse - KM5221W - English
  • No Keyboard
PortsFront
  • 1 x USB-A
    USB 2.0 (480 Mbps).
  • 1 x USB-A
    USB 2.0 (480 Mbps) with Powershare.
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps).
  • 1 x USB-C
    USB 3.2 Gen 2x2 (20 Gbps) for 11th Gen Intel Core CPU.
    USB 3.2 Gen 2x1 (10 Gbps) for 10th Gen Intel Core CPU.
  • 1 x Universal Audio Jack
Rear
  • 2 x USB-A
    USB 2.0 (480 Mbps) with Smart Power On.
  • 3 x USB-A
    USB 3.2 Gen 1 (5 Gbps).
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps).
  • 1 x USB-C
    USB 3.2 Gen 2 Alt-Mode (optional).
  • 2 x DisplayPort
    DisplayPort 1.4 supports 4K@120Hz.
  • 1 x Display Out 
    VGA, DisplayPort 1.4, HDMI 2.0b, or USB 3.2 Gen 2 with Alt-mode (optional).
  • 1 x RJ-45 
    Gigabit Ethernet.
  • 1 x Audio Jack
    Re-tasking Line out/Line in audio port.
  • 1 x Serial
  • 2 x PS/2
  • 1 x Kensington Lock Slot
  • 1 x Power Connection
Front
  • 2 x USB-A
    USB 2.0 (480 Mbps).
  • 1 x Universal Audio Jack
Rear
  • 2 x USB-A
    USB 2.0 (480 Mbps) with Smart Power On.
  • 4 x USB-A
    USB 3.2 Gen 1 (5 Gbps).
  • 2 x DisplayPort 1.4
    Supports 4K@120Hz.
  • 1 x RJ-45 
    Gigabit Ethernet.
  • 1 x Audio port
    Line-out audio port with re-tasking to Line-in (Rear).
  • 1 x Kensington Lock Slot
  • 1 x Power Connection
  • Optional Ports
    • 1 x Video Port 
      Can be DisplayPort 1.4, HDMI 2.0b, or VGA port.
    • 1 x Serial/PS2 port

Chasis

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
Form FactorMid TowerSmall Form Factor (SFF)
Power Supply
  • 260W
    80+ Bronze 85% Efficiency
  • 300W
    80+ Platinum 92% Efficiency
  • 360W
    80+ Platinum 92% Efficiency
  • 500W
    80+ Platinum 92% Efficiency 1 x 6+8 PIN connector for GPU
  • 200W
    80+ Bronze 85% Efficiency
  • 200W
    80+ Platinum 92% Efficiency
Optical Drives8x DVD+/-RW 9.5mm ODD
Optional.
8x DVD+/-RW 9.5mm ODD
Optional.

Internal Specs

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
ChipsetIntel® Q570 ChipsetIntel® Q470 Chipset
Processor
  • 10th Gen Intel® Core™ i3-10105
    4C/8T, 3.70 → 4.40 GHz, 6MB SmartCache, 65W
  • 10th Gen Intel® Core™ i3-10305
    4C/8T, 3.80 → 4.50 GHz, 8MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10400
    6C/12T, 2.90 → 4.30 GHz, 12MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10500
    6C/12T, 3.10 → 4.50 GHz, 12MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10505
    6C/12T, 3.20 → 4.60 GHz, 12MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10600
    6C/12T, 3.30 → 4.80 GHz, 12MB SmartCache, 65W
  • 10th Gen Intel® Core™ i7-10700
    8C/16T, 2.90 → 4.80 GHz, 16MB SmartCache, 65W
  • 10th Gen Intel® Core™ i7-10700K
    8C/16T, 3.80 → 5.10 GHz, 16MB SmartCache, 125W
  • 10th Gen Intel® Core™ i9-10900
    10C/20T, 2.80 → 5.20 GHz, 20MB SmartCache, 65W
  • 10th Gen Intel® Core™ i9-10900K
    10C/20T, 3.70 → 5.30 GHz, 20MB SmartCache, 125W
  • 11th Gen Intel® Core™ i5-11400
    6C/12T, 2.60 → 4.40 GHz, 12MB SmartCache, 65W
  • 11th Gen Intel® Core™ i5-11500
    6C/12T, 2.70 → 4.60 GHz, 12MB SmartCache, 65W
  • 11th Gen Intel® Core™ i5-11600
    6C/12T, 2.80 → 4.80 GHz, 12MB SmartCache, 65W
  • 11th Gen Intel® Core™ i7-11700
    8C/16T, 2.50 → 4.90 GHz, 16MB SmartCache, 65W
  • 11th Gen Intel® Core™ i7-11700K
    8C/16T, 3.60 → 5.00 GHz, 16MB SmartCache, 125W
  • 11th Gen Intel® Core™ i9-11900
    8C/16T, 2.50 → 5.20 GHz, 16MB SmartCache, 65W
  • 11th Gen Intel® Core™ i9-11900K
    8C/16T, 3.50 → 5.30 GHz, 16MB SmartCache, 125W
  • 10th Gen Intel® Celeron® G5900
    2C/2T, 3.40 GHz, 2MB SmartCache, 58W
  • 10th Gen Intel® Pentium® Gold G6400
    2C/4T, 4.00 GHz, 4MB SmartCache, 58W
  • 10th Gen Intel® Pentium® Gold G6500
    2C/4T, 4.10 GHz, 4MB SmartCache, 58W
  • 10th Gen Intel® Core™ i3-10100
    4C/8T, 3.60 → 4.30 GHz, 6MB SmartCache, 65W
  • 10th Gen Intel® Core™ i3-10105
    4C/8T, 3.70 → 4.40 GHz, 6MB SmartCache, 65W
  • 10th Gen Intel® Core™ i3-10300
    4C/8T, 3.70 → 4.40 GHz, 8MB SmartCache, 65W
  • 10th Gen Intel® Core™ i3-10305
    4C/8T, 3.80 → 4.50 GHz, 8MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10400
    6C/12T, 2.90 → 4.30 GHz, 12MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10500
    6C/12T, 3.10 → 4.50 GHz, 12MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10505
    6C/12T, 3.20 → 4.60 GHz, 12MB SmartCache, 65W
  • 10th Gen Intel® Core™ i5-10600
    6C/12T, 3.30 → 4.80 GHz, 12MB SmartCache, 65W
Integrated Graphics
  • 10th Gen Intel® Core™ i3-10105
    Intel® UHD Graphics 630
    23 Execution Units, 350 → 1100 MHz
  • 10th Gen Intel® Core™ i3-10305
    Intel® UHD Graphics 630
    23 Execution Units, 350 → 1150 MHz
  • 10th Gen Intel® Core™ i5-10400
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  • 10th Gen Intel® Core™ i5-10500
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  • 10th Gen Intel® Core™ i5-10505
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 10th Gen Intel® Core™ i5-10600
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 10th Gen Intel® Core™ i7-10700
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 10th Gen Intel® Core™ i7-10700K
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 10th Gen Intel® Core™ i9-10900
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 10th Gen Intel® Core™ i9-10900K
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 11th Gen Intel® Core™ i5-11400
    Intel® UHD Graphics 730
    24 Execution Units, 350 → 1300 MHz
  • 11th Gen Intel® Core™ i5-11500
    Intel® UHD Graphics 750
    32 Execution Units, 350 → 1300 MHz
  • 11th Gen Intel® Core™ i5-11600
    Intel® UHD Graphics 750
    32 Execution Units, 350 → 1300 MHz
  • 11th Gen Intel® Core™ i7-11700
    Intel® UHD Graphics 750
    32 Execution Units, 350 → 1300 MHz
  • 11th Gen Intel® Core™ i7-11700K
    Intel® UHD Graphics 750
    32 Execution Units, 350 → 1300 MHz
  • 11th Gen Intel® Core™ i9-11900
    Intel® UHD Graphics 750
    32 Execution Units, 350 → 1300 MHz
  • 11th Gen Intel® Core™ i9-11900K
    Intel® UHD Graphics 750
    32 Execution Units, 350 → 1300 MHz
  • 10th Gen Intel® Celeron® G5900
    Intel® UHD Graphics 610
    350 → 1050 MHz
  • 10th Gen Intel® Pentium® Gold G6400
    Intel® UHD Graphics 610
    350 → 1050 MHz
  • 10th Gen Intel® Pentium® Gold G6500
    Intel® UHD Graphics 630
    350 → 1100 MHz
  • 10th Gen Intel® Core™ i3-10100
    Intel® UHD Graphics 630
    23 Execution Units, 350 → 1100 MHz
  • 10th Gen Intel® Core™ i3-10105
    Intel® UHD Graphics 630
    23 Execution Units, 350 → 1100 MHz
  • 10th Gen Intel® Core™ i3-10300
    Intel® UHD Graphics 630
    23 Execution Units, 350 → 1150 MHz
  • 10th Gen Intel® Core™ i3-10305
    Intel® UHD Graphics 630
    23 Execution Units, 350 → 1150 MHz
  • 10th Gen Intel® Core™ i5-10400
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  • 10th Gen Intel® Core™ i5-10500
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  • 10th Gen Intel® Core™ i5-10505
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 10th Gen Intel® Core™ i5-10600
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
Discrete GraphicsNVIDIA® GeForce®
  • GTX 1660 SUPER™ - 6GB GDDR6 
    125W 1 x DisplayPort 1.4 1 x HDMI 2.0b 1 x DVI-D
  • RTX™ 3070 - 8GB GDDR6 
    220W 3 x DisplayPort 1.4 1 x HDMI 2.0b
AMD® Radeon™
  • 540 - 4GB GDDR5
    50W 1 x HDMI 1.4 1 x DisplayPort
  • 550 - 4GB GDDR5 
    50W 1 x DisplayPort 1.4 2 x mini DisplayPort ports
  • RX 640 - 4GB GDDR5
    50W 1 x DisplayPort 1.4 2 x mini DisplayPort ports
NVIDIA® GeForce®
  • GT 730 - 2GB GDDR5
    30W 2 x DisplayPort 1.2
AMD® Radeon™
  • 540 - 1GB GDDR5
    50W 2x DisplayPort 1.4
  • 550 - 2GB GDDR5
    50W 2x DisplayPort 1.4
  • RX 640 - 4GB GDDR5
    50W 1 x DisplayPort 1.4 2 x mini DisplayPort ports
Memory
  • Memory Slots: 4 DIMM slots
  • Memory Type: Single or Dual Channel DDR4 Memory
  • Memory Speed:
    2666MHz 2933MHz 3200MHz
Memory Configurations
  • 4GB 8GB 16GB 32GB 64GB
    2666 MHz for 10th Gen Intel Core i3/i5 CPU
    2933 MHz for 10th Gen Intel Core i7/i9 CPU
    3200 MHz for 11th Gen Intel Core CPU
  • 128GB
    2666 MHz for 10th Gen Intel Core i3/i5 CPU
    2933 MHz for 10th Gen Intel Core i7/i9 CPU
    2933 MHz for 11th Gen Intel Core CPU
  • Memory Slots: 2 DIMM slots
  • Memory Type: Single or Dual Channel DDR4 Memory
  • Memory Speed:
    2666MHz
  • Memory Per Slot:
    4GB 8GB 16GB 32GB
Memory Configurations
4GB 8GB 16GB 32GB 64GB
Storage
  • 256GB 512GB 1TB 2TB
    M.2 PCIe Gen 3 x4 or Gen 4 x4 NVME SSD
  • 500GB 1TB 2TB
    5400 rpm or 7200 rpm 2.5" SATA Hard Drive
  • 1TB 2TB 4TB
    5400 rpm or 7200 rpm 3.5" SATA Hard Drive
  • 256GB 512GB 1TB
    M.2 PCIe Gen 3 x4 NVME SSD
  • 500GB 1TB 2TB
    5400 rpm or 7200 rpm 2.5" SATA Hard Drive
  • 1TB 2TB 4TB
    5400 rpm or 7200 rpm 3.5" SATA Hard Drive
SlotsExpansion Slots
  • 1 x PCIe x16 slot 
    PCIe Gen 4, Full-height
  • 1 x PCIe x16 slot 
    Wired x4, Full-height
  • 1 x PCIe x1 slot
    Full-height
  • 1 x PCIe-32 slot
    Full-height
SATA
  • 4 x SATA slots 
    For 2.5-inch HDD/SSD, and slim Optical Drive.
M.2
  • 1 x M.2 2230 slot
    For WiFi and Bluetooth combo card
  • 1 x M.2 2280 slot
    For SSD/Intel Optane.
  • 1 x M.2 2230/2280 slot
    For SSD/Intel Optane
Expansion Slots
  • 1 x PCIe x16 slot 
    PCIe Gen 3, Half-height
  • 1 x PCIe x1 slot
    PCIe Gen 3, Half-height
SATA
  • 2 x SATA slots
    For 3.5/2.5-inch HDD/SSD, and slim Optical Drive.
M.2
  • 1 x M.2 2230 slot
    For WiFi and Bluetooth combo card
  • 1 x M.2 2230/2280 slot
    For SSD/Intel Optane

Connectivity

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
Wi-Fi
  • No Wireless LAN Card
  • Qualcomm QCA9377 (DW1810)
    Up to 433 Mbps Dual band 2.4 GHz/5 GHz WiFi-5 (802.11ac) Bluetooth 5.0
  • Qualcomm QCA61x4a
    Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi-5 (802.11ac) Bluetooth 5.0
  • Intel AX201
    Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi-6 (802.11ax) Bluetooth 5.1
  • No Wireless LAN Card
  • Intel 9462
    Up to 433 Mbps Dual band 2.4 GHz/5 GHz WiFi-5 (802.11ac) Bluetooth 5.1
  • Qualcomm QCA61x4a
    Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi-5 (802.11ac) Bluetooth 5.0
  • Intel AX201
    Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi-6 (802.11ax) Bluetooth 5.2
Bluetooth
Bluetooth 5.0 Bluetooth 5.1
Optional
Bluetooth 5.0 Bluetooth 5.1 Bluetooth 5.2
Optional
EthernetIntel i219LM Gigabit Ethernet controller
Speed: 10/100/1000 Mbps.
  • Intel Ethernet Connection I219-LM
    Speed: 10/100/1000 Mbps.
  • Realtek RTL8111KD Gigabit Ethernet controller
    Speed: 10/100/1000 Mbps.

Software

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
OS
  • Windows 10 Home Windows 10 Pro
    Upgradable to Windows 11
  • Ubuntu Linux 20.04 LTS
  • NeoKylin 7.0 (China only)
  • Windows 11 Home Windows 11 Pro
    Windows 10 image available for downgrading.
  • Ubuntu Linux 20.04 LTS
Built-in Apps
Microsoft Office 30 Day Trial
Microsoft Office 30 Day Trial

Camera & Audio

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
Audio
  • One 2W Speaker (optional)
  • Audio controller
    • Realtek ALC3241
    • 4 Channel High Definition Audio
    • 24-bit DAC (Digital-to-Analog) and ADC (Analog-to-Digital)
  • External Ports
    • 1 x Universal Audio Jack
      Front
    • 1 x Audio port
      Line-out audio port with re-tasking to Line-in (Rear).
  • One 2W Speaker (optional)
  • Audio controller
    • Waves MaxxAudio API
    • Intel HDA (high-definition audio)
  • External Ports
    • 1 x Universal Audio Jack
      Front
    • 1 x Audio port
      Line-out audio port with re-tasking to Line-in (Rear).

Misc

Dell Optiplex 7090 TowerDell Optiplex 3090 SFF
Warranty3-Year Basic Onsite Service1 Year Basic Onsite Service

Dell Optiplex 7090 Tower vs. Dell Optiplex 3090 SFF

The Dell Optiplex 7090 Tower and the Dell Optiplex 3090 SFF were released in the same year, 2021. The Dell Optiplex 7090 Tower has a mini tower form factor that can fit a micro ATX and Mini ITX motherboard, a few hard disk drives, and a single full-height graphics card. The Dell Optiplex 3090 SFF has a small form factor that commonly can only fit a Mini ITX motherboard, one or two hard disk drives, and supports only a small form factor or half-height graphics card.

Processor

The Central Processing Unit (CPU) is like the brains of your desktop computer. Its performance determines how fast and responsive your PC is. Generally, a processor with newer architecture, more CPU cores, higher TDP (measured in W), and faster clock speed (measured in GHz) tends to be more expensive and run faster than others with older architecture, fewer CPU cores, lower TDP, and lower clock speed.

For Dell Optiplex 7090 Tower, you have options to configure it with a 65W 10th Generation Intel Comet Lake quad-core Intel Core i3-10105 up to a 125W 8-core Intel Core i9-11900K with a boost speed up to 5.30 GHz.

While Dell Optiplex 3090 SFF has configurations with a 58W 10th Generation Intel Comet Lake dual-core Intel Celeron G5900 up to a 65W 6-core Intel Core i5-10600 with a boost speed up to 4.80 GHz.

Memory

The Random Access Memory or RAM is the super-fast and temporary storage used to handle all active tasks, apps, and games that will go away when your PC turns off. The more memory your PC has, the better multitasking your PC can handle without having to reload data from slower permanent storage that includes the hard disk drive or solid-state drive.

Fortunately, both PC allows you to upgrade later if you are unsatisfied with the amount of memory on your PC. The Dell Optiplex 7090 Tower has four RAM slots that support up to 64GB of 3200MHz or 128GB of 2933MHz dual-channel DDR4 memory. On the other hand, the Dell Optiplex 3090 SFF has two RAM slots that you can upgrade up to 64GB of 2666MHz dual-channel DDR4 memory.

Ports

Computer ports are the interface for connecting your PC to its peripheral devices or other PCs. The most common peripherals are keyboard, mouse, monitor, flash drive, speaker, and printer. Most of them use Universal Serial Bus (USB) as their connection to your computer. So the PC with more USB ports can connect to more peripherals at the same time.

There is a total number of 10 USB ports available on the Dell Optiplex 7090 Tower, two more than the Dell Optiplex 3090 SFF that has only 8 USB ports. On top of the number of USB ports, the type and version of each USB port are also necessary for determining how fast it is.

The Dell Optiplex 7090 Tower has nine USB Type-A ports and one USB Type-C port. It has four ports that support USB 2.0 (480 Mbps), three ports that support USB 3.2 Gen 1 (5 Gbps), two ports that support USB 3.2 Gen 2 (10 Gbps), and one port that supports USB 3.2 Gen 2x2 (20 Gbps).

For Dell Optiplex 3090 SFF, it has eight USB ports that all of which are USB Type-A. The PC has four ports that support USB 2.0 (480 Mbps) and four ports that support USB 3.2 Gen 1 (5 Gbps).

Pricing

Dell Optiplex 7090 Tower Price
Dell OptiPlex 7090 7000 Business Tower Desktop Computer, Intel Octa-Core i7-11700, 32GB DDR4 RAM, 1TB PCIe SSD, DVDRW, 802.11AC WiFi, Bluetooth, Ethernet, Keyboard and Mouse, Windows 11 Pro
Dell OptiPlex 7090 7000 Business Tower Desktop Computer, Intel Octa-Core i7-11700, 32GB DDR4 RAM, 1TB PCIe SSD, DVDRW, 802.11AC WiFi, Bluetooth, Ethernet, Keyboard and Mouse, Windows 11 Pro
By Dell
$839.00
Dell OptiPlex 7090 Desktop Computer, Intel Core i9-11900K, 64GB RAM, 2TB NVMe SSD, USB C, Built-in WiFi- Bluetooth, Display Port, DVDRW, Windows 11 Pro, Black, 7000 Series SFF
Dell OptiPlex 7090 Desktop Computer, Intel Core i9-11900K, 64GB RAM, 2TB NVMe SSD, USB C, Built-in WiFi- Bluetooth, Display Port, DVDRW, Windows 11 Pro, Black, 7000 Series SFF
By Dell
$1,069.99
Dell OptiPlex 7000 Series 7090 Tower Business Desktop, Intel Core i7-11700, 32GB RAM, 1TB SSD, DVD-RW, Display Port, Wired Keyboard & Mouse, Wi-Fi, Windows 11 Pro
Dell OptiPlex 7000 Series 7090 Tower Business Desktop, Intel Core i7-11700, 32GB RAM, 1TB SSD, DVD-RW, Display Port, Wired Keyboard & Mouse, Wi-Fi, Windows 11 Pro
By Dell
$980.00
Dell Optiplex 3090 SFF Price
Dell OptiPlex 3000 3090 Desktop Computer - Intel Core i5 10th Gen i5-10505 Hexa-core (6 Core) 3.20 GHz - 16 GB RAM DDR4 SDRAM - 256 GB M.2 PCI Express NVMe SSD - Small Form Factor - Black
Dell OptiPlex 3000 3090 Desktop Computer - Intel Core i5 10th Gen i5-10505 Hexa-core (6 Core) 3.20 GHz - 16 GB RAM DDR4 SDRAM - 256 GB M.2 PCI Express NVMe SSD - Small Form Factor - Black
By Dell
$741.00
Dell REFURB 3090 i5 16G 256G SFF (Certified Refurbished)
Dell REFURB 3090 i5 16G 256G SFF (Certified Refurbished)
By Dell
$499.00
Dell OptiPlex 3000 Desktop Computer - Intel Core i5 12th Gen i5-12500 Hexa-core (6 Core) 3 GHz - 16 GB RAM DDR4 SDRAM - 512 GB M.2 PCI Express NVMe 3.0 x4 SSD - Small Form Factor - Black
Dell OptiPlex 3000 Desktop Computer - Intel Core i5 12th Gen i5-12500 Hexa-core (6 Core) 3 GHz - 16 GB RAM DDR4 SDRAM - 512 GB M.2 PCI Express NVMe 3.0 x4 SSD - Small Form Factor - Black
By Dell
$688.99

Motherboard

Dell Optiplex 7090 Tower System Board.

Dell Optiplex 7090 Tower Motherboard
Source: Dell

Dell Optiplex 3090 SFF System Board.

Dell Optiplex 3090 SFF Motherboard
Source: Dell

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Dell Optiplex 7090 Tower FAQs

Here are some related questions you might want to know about the Dell Optiplex 7090 Tower:

  1. What Processor Does the Dell Optiplex 7090 Tower Have?
  2. Can You Install Graphics Card in Dell Optiplex 7090 Tower?
  3. What Ports Are on Dell Optiplex 7090 Tower?
  4. What is the Weight and Size of Dell Optiplex 7090 Tower?
  5. Can You Add More RAM to Dell Optiplex 7090 Tower?

Dell Optiplex 3090 SFF FAQs

Here are some related questions you might want to know about the Dell Optiplex 3090 SFF:

  1. What Processor Does the Dell Optiplex 3090 SFF Have?
  2. Can You Install Graphics Card in Dell Optiplex 3090 SFF?
  3. What Ports Are on Dell Optiplex 3090 SFF?
  4. What is the Weight and Size of Dell Optiplex 3090 SFF?
  5. Can You Add More RAM to Dell Optiplex 3090 SFF?

Dell Optiplex Family

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