Dell OptiPlex 3080 SFF vs. Dell OptiPlex 7080M

Comparison and Differences

Dell_OptiPlex_3080_SFF.jpg case front and back pannelDell_OptiPlex_7080M.jpg case front and back pannel
Model
Form factorSmallMicro
CPU optionsIntel Gen10 i3/i5/i7; Pentium; Celeron;Intel Gen10 i3/i5/i7/i9;
ChipsetB460Q470
Dedicated GPU *GeForce GT 1030 Low ProfileN.A.
RAMDIMM DDR4-2666SODIMM DDR4-2666/2933
RAM slots22
RAM speed2666 MT/s2933 MT/s
RAM max64 GB64 GB
USB ports(4x) USB-A 3.0; (4x) USB-A 2.0;USB 3.1 Type C; (3x) USB-A 3.1; (2x) USB-A 3.0;
Video portsDisplay Port 1.4; HDMI 1.4b;(2x) Display Port 1.4;
Other portsRJ45; Headset; Line-Out;RJ45; Headset; Line-Out/In;
Optional portsSerial/PS2; DP1.4/HDMI2.0b/VGA; (2x)WiFi antenna; HDMI2.0b/DP1.4/VGA/USB Type-C (DP Alt Mode); Serial; Serial+PS2; (2x) WiFi antenna;
SATA ports21
PCI slotsPCIe 3.0 x16; PCIe x1;PCIe x8 Gen3 (optional)
M.2 slotsM.2 2280/2230 M-key (PCIe 3.0 x4, NVMe); M.2 2230 (WiFi/BT) M.2 2280/2230 M-key (PCIe 3.0 x4, NVMe); M.2 2280 M-key (PCIe); M.2 2230 (WiFi/BT)
Drive bays3.5in/(2x)2.5in; 5.25in (slim);2.5in
PSU200 W90/130/180 W
Weight5.02 kg (11.07 lb)1.38 kg (3.04 lb)
Released20202020
Manuallinklink
Price**Check PriceCheck Price

** As an Amazon associate we earn from qualifying purchases.
* Dedicated GPU warning: Check if your particular power supply model has enough power. Additionally some PSUs don't come with an auxiliary PCIe power connector and you may need to buy a SATA to PCIe power adapter.

Differences between Dell OptiPlex 3080 SFF and Dell OptiPlex 7080M

Both computers, the Dell OptiPlex 3080 SFF and the Dell OptiPlex 7080M, were released during the same year - 2020.

If you are looking for the smaller form factor the Dell OptiPlex 7080M is the right one for you. It is smaller than the Dell OptiPlex 3080 SFF and will fit more easily under your desk.

Processor

The two models have the same generation of Intel processors. We think that the 10 generation of Intel Processors have enough power to execute all of the home and office tasks that most people will care to do.

Memory

Both models have have equal amount of ram slots (2 RAM). Usually two RAM slots are more than enough for most cases. However, the count should be taken into account when planning how much and what combination of RAM you are going to need for your system.

The Dell OptiPlex 7080M is using the faster 2933 MT/s RAM. The Dell OptiPlex 3080 SFF is slower by supporting RAM speeds of up to 2666 MT/s. In addition, you will be able to install the same amount of RAM in both models, and most probably 64 GB of RAM will be enough for most people. However, if you will be needing more RAM, make sure to check other desktop models too.

Ports

In total the Dell OptiPlex 3080 SFF has 8 USB ports. The Dell OptiPlex 7080M is inferior in this regard and packs 6 USB ports. In any case, if you miss USB ports, you can always purchase a USB hub. What is nice about the Dell OptiPlex 7080M, is that it has 4 USB 3.1 port(s) which allows transfer of up to 10Gb/s. Unfortunately, the Dell OptiPlex 3080 SFF has no such port, thus restricting your transfer speeds significantly. For people who want to use external drives on regular basis, this might be an issue.

DisplayPort is crucial for any desktop machine. It is good to see that both models are featuring DisplayPorts. However, the Dell OptiPlex 7080M comes with 2 ports, while the Dell OptiPlex 3080 SFF has only 1. If you are planning to use multiple monitors, the Dell OptiPlex 7080M is the better choice.

The Dell OptiPlex 3080 SFF comes with an HDMI port, while the Dell OptiPlex 7080M does not support the interface. Of course missing HDMI port is something that can be easily fixed with a good adapter (e.g. DisplayPort to HDMI).

SATA ports are placed on the system board and it is where you connect your HDD, SSD and Optical Disk Drives. More SATA slots will allow you to have more drives running at the same time. In this regard the Dell OptiPlex 3080 SFF is better equipped as it comes with 2 SATA slot(s), while the Dell OptiPlex 7080M has 1 slot(s).

An M.2 SSD can be several times faster than a SATA one. Thus, we are happy to see that both models support the M.2 interface. However, the Dell OptiPlex 7080M has 1 M.2 slots while the Dell OptiPlex 3080 SFF comes with just 1.

Make sure that the available M.2 slot supports the PCIe (also called NVMe) interface. This is important as there are M.2 slots which support only the inferior SATA III interface. For comparison, the SATA III interface has max speeds of 6Gb/s, while the PCIe 3.0 x4 will support speeds up to 32Gb/s!

Power Supply

Having a Power Supply Unit with high power rating is important, if you are going to use components which require extra power. The Dell OptiPlex 7080M comes with a decent 180 Watt PSU, but the Dell OptiPlex 3080 SFF has a more powerful one rated at 200 Watts. Choosing either one depends on your specific requirements and use case. Also don't forget that some models might have more than one PSU option - try to always get the most powerful one, especially if you plan to upgrade to a powerful GPU.

Motherboard

Dell_OptiPlex_3080_SFF_motherboard.jpg motherboard layoutDell_OptiPlex_7080M_motherboard.jpg motherboard layout