Dell XPS 8940 Desktop vs. Dell Optiplex 7780 All-in-One
Here is a side by side comparison between Dell XPS 8940 Desktop and Dell Optiplex 7780 All-in-One specs including price, processors, memory, graphics, storage, ports, and more.
Top-mount front camera with fixed focus lens, 2.07 Megapixels (1920 x 1080 FHD) at 30 fps.
Windows Hello Infrared Camera
0.30 Megapixels (640 x 480) at 30 fps.
Audio
Audio controller
Realtek ALC3861
External Ports
One headset port
One audio line-out port
One rear L/R-surround audio-out port
One center/subwoofer LFE surround audio-out port
2 x 5W Speakers
4 x Microphones
Audio controller: Realtek ALC3289
Amplifier: Built-in Amplifier ALC1302
External Ports
1 x Universal Audio Jack
Side
1 x Audio port
Line-out audio port with re-tasking to Line-in (Rear).
Misc
Dell XPS 8940 Desktop
Dell Optiplex 7780 All-in-One
Security
Kensington lock
Dell Lockable port cover (optional)
Chassis lock slot support
Noble Custom AIO Plate Lock (optional)
Supply chain tamper alerts
Chassis intrusion switch
Trusted Platform Module (Discrete TPM Enabled)
SafeBIOS including Dell Off-host BIOS Verification
BIOS Resilience
BIOS Recovery, and additional BIOS Controls
SafeID including Trusted Platform Module (TPM) 2.0
Self-Encrypting Drives (SED)
Smart card keyboard (FIPS)
D-Pedigree (Secure Supply Chain Functionality)
Dell wired mouse with fingerprinter reader
Warranty
1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis
3-Year Basic Onsite Service
Dell XPS 8940 Desktop vs. Dell Optiplex 7780 All-in-One
The Dell XPS 8940 Desktop and the Dell Optiplex 7780 All-in-One were released in the same year, 2020. The Dell XPS 8940 Desktop 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 7780 All-in-One has an all-in-one form factor that combines all components and a built-in monitor into one package.
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 XPS 8940 Desktop, you have options to configure it with a 65W 10th Generation Intel Comet Lake quad-core Intel Core i3-10100 up to a 65W 10-core Intel Core i9-10900 with a boost speed up to 5.20 GHz.
While Dell Optiplex 7780 All-in-One has configurations with a 65W 10th Generation Intel Comet Lake quad-core Intel Core i3-10105 up to a 65W 10-core Intel Core i9-10900 with a boost speed up to 5.20 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 XPS 8940 Desktop has four RAM slots that support up to 128GB of 2933MHz dual-channel DDR4 memory. On the other hand, the Dell Optiplex 7780 All-in-One has two RAM slots that you can upgrade up to 64GB of 2933MHz 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 XPS 8940 Desktop, four more than the Dell Optiplex 7780 All-in-One that has only 6 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 XPS 8940 Desktop has nine USB Type-A ports and one USB Type-C port. It has two ports that support USB 2.0 (480 Mbps) and eight ports that support USB 3.2 Gen 1 (5 Gbps).
For Dell Optiplex 7780 All-in-One, it has five USB Type-A ports and one USB Type-C port. The PC has one port that supports USB 3.2 Gen 1 (5 Gbps) and five ports that support USB 3.2 Gen 2 (10 Gbps).
