Acer Veriton M6640g vs. Dell OptiPlex 7090 SFF

Comparison and Differences

Acer_Veriton_M6640g.jpg case front and back pannelDell_OptiPlex_7090_SFF.jpg case front and back pannel
Model
Form factorMini TowerSmall
CPU optionsIntel Gen6 i3/i5/i7; PentiumIntel Gen10&11 i3/i5/i7/i9;
ChipsetB150Q570
Dedicated GPU *GeForce GTX 1650 SuperAMD Radeon RX 6400 Low Profile
RAMUDIMM DDR4-2133DIMM DDR4-2666/2933/3200
RAM slots44
RAM speed2133 MT/s3200 MT/s
RAM max32 GB128 GB
USB ports(6x) USB-A 3.0; (4x) USB-A 2.0USB 3.2 Type C; USB 3.1 Type C; (2x) USB-A 3.1; USB-A 3.0; (x4) USB-A 2.0;
Video ports(2x) DisplayPort 1.2; DVi; VGA(3x) Display Port 1.4; HDMI 2.0b;
Other portsRJ45; (2x) Mic, Speaker; Line in; Line out; PS/2 ports; SerialRJ45; Audio; Line-Out/In; Serial; (x2) PS2
Optional portsCard reader; USB-A 3.0; Parallel; SerialUSB Type-C (DP Alt Mode); Media Card Reader;
SATA ports53
PCI slotsPCIe 3.0 x16; (2x) PCIe 3.0 x1; PCIPCIe 4.0 x16; PCIe 3.0 x4;
M.2 slotsM.2 2242 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 2230 M-key (PCIe); M.2 2230 (WiFi/BT)
Drive bays(5x) 2.5/3.5in; 5.25 inch(x2) 3.5in; (2x) 2.5in; 5.25in (slim);
PSU300 W200/300 W
Weight9.00 kg (19.84 lb)5.72 kg (12.61 lb)
Released20162021
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 Acer Veriton M6640g and Dell OptiPlex 7090 SFF

If you are looking for a more modern desktop, then you should go with the Dell OptiPlex 7090 SFF which was released in 2021. The Acer Veriton M6640g is older and entered production in 2016.

If you are looking for the smaller form factor the Dell OptiPlex 7090 SFF is the right one for you. It is smaller than the Acer Veriton M6640g and will fit more easily under your desk.

Processor

Usually the newer the generation of the CPU, the better the performance and efficiency is. If your budget allows it, you should go with the Dell OptiPlex 7090 SFF as it is running a newer generation CPU. This is not to say that Acer Veriton M6640g is bad - it can still run some powerful CPUs, albeit being an older generation.

Memory

Both models have have equal amount of ram slots (4 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 7090 SFF is using the faster 3200 MT/s RAM. The Acer Veriton M6640g is slower by supporting RAM speeds of up to 2133 MT/s. Additionally, if you will be needing a lot of RAM, better go for the Dell OptiPlex 7090 SFF as it has the ability to run 128 GB of RAM. The Acer Veriton M6640g can do a bit less at max 32 GB. Most of the times, this should be sufficient for the majority of users.

Ports

In total the Dell OptiPlex 7090 SFF has 9 USB ports. The Acer Veriton M6640g is inferior in this regard and packs 0 USB ports. In any case, if you miss USB ports, you can always purchase a USB hub. What is nice about the Dell OptiPlex 7090 SFF, is that it has 3 USB 3.1 port(s) which allows transfer of up to 10Gb/s. Unfortunately, the Acer Veriton M6640g 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 7090 SFF comes with 3 ports, while the Acer Veriton M6640g has only 2. If you are planning to use multiple monitors, the Dell OptiPlex 7090 SFF is the better choice.

The Dell OptiPlex 7090 SFF comes with an HDMI port, while the Acer Veriton M6640g 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 Acer Veriton M6640g is better equipped as it comes with 5 SATA slot(s), while the Dell OptiPlex 7090 SFF has 3 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 7090 SFF has 1 M.2 slots while the Acer Veriton M6640g 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

Looking at the Power Supply Unit (PSU) of the two models we don't see any differences. For either of them you get a maximum power of 300 Watts. However be careful, many models have more than one power supply option. When buying your computer, it is a good idea to get a version with the most powerful PSU. This will potentially allow you to upgrade to a more powerful GPU for example.

Motherboard

Acer_Veriton_M6640g_motherboard.jpg motherboard layoutDell_OptiPlex_7090_SFF_motherboard.jpg motherboard layout