Dell Optiplex 3090 Tower vs. Dell Optiplex 3070 Tower
Here is a side by side comparison between Dell Optiplex 3090 Tower and Dell Optiplex 3070 Tower specs including price, processors, memory, graphics, storage, ports, and more.
Specs Comparison
Compare With Please enter device name or part of it | Compare With Please enter device name or part of it | |
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Availability | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
Released | 2021 | 2019 |
Release Info | Announced in October 2021. | Announced on June 01, 2019. |
Pricing |
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Dell Optiplex 3090 Tower Price | ||
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Dell Inspiron 3030 Small Desktop - Intel Core i5-14400 Processor, 16GB DDR5 RAM, 1TB SSD, Intel UHD 730 Graphics, Windows 11 Home, Onsite & Migrate Service - Mist Blue By Dell $744.00 | |
Dell Optiplex 3070 Tower Price | ||
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Dell OptiPlex 3070 Desktop Computer - Intel Core i5-9500 - 8GB RAM - 256GB SSD - Small Form Factor By Dell $511.19 |
Exterior | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
Size Comparison | ||
Dimensions | 11.5” x 12.76” x 6.1” (292 x 324 x 155 mm) | 10.8” x 13.8” x 6.1” (274 x 350 x 154 mm) |
Weight | Starting at 11.79 lb (5.35 kg) | Up to 17.49 lb (7.93 kg) |
Colors | Black | Black |
Keyboard and Trackpad |
| Dell KB216 Wired Keyboard and Mouse English |
Ports | Front
| Front
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Chasis | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
Form Factor | Mini Tower | Mini Tower (14.77L) |
Power Supply |
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Optical Drives | 8x DVD+/-RW 9.5mm ODD Optional. |
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Internal Specs | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
Chipset | Intel® Q470 Chipset | Intel® H370 Chipset |
Processor |
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Integrated Graphics |
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Discrete Graphics | NVIDIA® GeForce®
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Memory |
4GB 8GB 16GB 32GB 64GB 2666 MHz for Intel Core i3/i5 CPU 2933 MHz for Intel Core i7/i9 CPU |
4GB 8GB 16GB 32GB |
Storage |
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Slots | Expansion Slots
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Connectivity | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
Wi-Fi |
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Bluetooth | Bluetooth 5.0 Bluetooth 5.1 Bluetooth 5.2 Optional | Bluetooth 4.1 Bluetooth 4.2 Bluetooth 5 Optional |
Ethernet |
| Intel Realtek RTL8111HSD-CG Gigabit Ethernet controller Speed: 10/100/1000 Mbps. |
Software | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
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Built-in Apps | Microsoft Office 30 Day Trial | Microsoft Office 30 Day Trial |
Camera & Audio | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
Audio |
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Misc | Dell Optiplex 3090 Tower | Dell Optiplex 3070 Tower |
Warranty | 1 Year Basic Onsite Service | Limited Hardware Warranty |
Dell Optiplex 3090 Tower vs. Dell Optiplex 3070 Tower
The Dell Optiplex 3090 Tower is a newer system that was released in 2021, while the Dell Optiplex 3070 Tower was released two years earlier in 2019. Both systems share the same 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.
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 3090 Tower, you have options to configure it with a 58W 10th Generation Intel Comet Lake dual-core Intel Celeron G5905 up to a 65W 6-core Intel Core i5-10600 with a boost speed up to 4.80 GHz.While Dell Optiplex 3070 Tower has configurations with a 54W Intel Coffee Lake dual-core Intel Celeron G4930 up to a 65W 8-core Intel Core i7-9700 with a boost speed up to 4.70 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.
Both PCs have the same amount of two RAM slots meaning that you upgrade later if you are unsatisfied with the amount of memory on your PC. You can upgrade memory on Dell Optiplex 3090 Tower up to 64GB of 2666MHz dual-channel DDR4 memory. For Dell Optiplex 3070 Tower, it supports up to 32GB 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 8 USB ports available on both PCs. 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 3090 Tower has eight USB ports USB ports that all of them are Type-A port. It has four ports that support USB 2.0 (480 Mbps) and four ports that support USB 3.2 Gen 1 (5 Gbps).
For Dell Optiplex 3070 Tower, 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 3090 Tower Price | ||
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![]() |
Dell Inspiron 3030 Small Desktop - Intel Core i5-14400 Processor, 16GB DDR5 RAM, 1TB SSD, Intel UHD 730 Graphics, Windows 11 Home, Onsite & Migrate Service - Mist Blue By Dell $744.00 | |
Dell Optiplex 3070 Tower Price | ||
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Dell OptiPlex 3070 Desktop Computer - Intel Core i5-9500 - 8GB RAM - 256GB SSD - Small Form Factor By Dell $511.19 |
Motherboard
Dell Optiplex 3090 Tower System Board.

Dell Optiplex 3070 Tower System Board.

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Dell Optiplex 3090 Tower FAQs
Here are some related questions you might want to know about the Dell Optiplex 3090 Tower:
- What Processor Does the Dell Optiplex 3090 Tower Have?
- Can You Install Graphics Card in Dell Optiplex 3090 Tower?
- What Ports Are on Dell Optiplex 3090 Tower?
- What is the Weight and Size of Dell Optiplex 3090 Tower?
- Can You Add More RAM to Dell Optiplex 3090 Tower?
Dell Optiplex 3070 Tower FAQs
Here are some related questions you might want to know about the Dell Optiplex 3070 Tower:
- What Processor Does the Dell Optiplex 3070 Tower Have?
- Can You Install Graphics Card in Dell Optiplex 3070 Tower?
- What Ports Are on Dell Optiplex 3070 Tower?
- What is the Weight and Size of Dell Optiplex 3070 Tower?
- Can You Add More RAM to Dell Optiplex 3070 Tower?
Dell Optiplex Family
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