Dell OptiPlex 5070 MT vs. Dell OptiPlex 980 DT

Comparison and Differences

Dell_OptiPlex_5070_MT.jpg case front and back pannelDell_OptiPlex_980_DT.jpg case front and back pannel
ModelDell OptiPlex 5070 MTDell OptiPlex 980 DT
Form factorMini TowerDesktop
CPU optionsIntel Gen8&9 i3/i5/i7; Celeron; Pentium;Intel Gen1 i3/i5/i7; Pentium Dual Core;
ChipsetQ370Q57
Dedicated GPU *GeForce GTX 1650 SuperGeForce GTX 1650 Low Profile
RAMDIMM DDR4-2400/2666DIMM DDR3-1060/1333
RAM slots44
RAM speed2666 MT/s1333 MT/s
RAM max64 GB16 GB
USB portsUSB 3.1 Type C; (5x) USB-A 3.0; (4x) USB-A 2.0;(8x)USB-A 2.0;
Video ports(2x) Display Port 1.2;DisplayPort 1.2; VGA;
Other portsRJ45; Headset; Line-Out; RJ45; Hdph; (2x) Mic; Line-Out; Line-In; PS2/COM; Serial; Parallel; eSATA
Optional portsHDMI2.0b/DP1.2/VGA/USB Type-C (DP Alt Mode); Serial+PS2; Media Card Reader; WiFi antenna; N.A.
SATA ports44
PCI slotsPCIe 3.0 x16; PCIe 3.0 x16(wired x4); (2x) PCIe x1;PCIe 2.0 x16; PCIe 2.0 x4;
M.2 slotsM.2 2280/2230 M-key (PCIe 3.0 x4, SATA); M.2 2230 (WiFi/BT) N.A.
Drive bays3.5in/5.25in; (2x) 2.5in; 5.25in (slim);(2x)3.5in; 5.25in;
PSU260 W255 W
Weight7.93 kg (17.49 lb)8.30 kg (18.29 lb)
Released20192010
Manuallinklink
Price**Check PriceCheck Price

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* 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 5070 MT and Dell OptiPlex 980 DT

If you are looking for a more modern desktop, then you should go with the Dell OptiPlex 5070 MT which was released in 2019. The Dell OptiPlex 980 DT is older and entered production in 2010.

If you are looking for the smaller form factor the Dell OptiPlex 980 DT is the right one for you. It is smaller than the Dell OptiPlex 5070 MT 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 5070 MT as it is running a newer generation CPU. This is not to say that Dell OptiPlex 980 DT 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 5070 MT is using the faster 2666 MT/s RAM. The Dell OptiPlex 980 DT is slower by supporting RAM speeds of up to 1333 MT/s. Additionally, if you will be needing a lot of RAM, better go for the Dell OptiPlex 5070 MT as it has the ability to run 64 GB of RAM. The Dell OptiPlex 980 DT can do a bit less at max 16 GB. Most of the times, this should be sufficient for the majority of users.

Ports

In total the Dell OptiPlex 5070 MT has 10 USB ports. The Dell OptiPlex 980 DT is inferior in this regard and packs 8 USB ports. In any case, if you miss USB ports, you can always purchase a USB hub. What is nice about the Dell OptiPlex 5070 MT, is that it has 1 USB 3.1 port(s) which allows transfer of up to 10Gb/s. Unfortunately, the Dell OptiPlex 980 DT 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 5070 MT comes with 2 ports, while the Dell OptiPlex 980 DT has only 1. If you are planning to use multiple monitors, the Dell OptiPlex 5070 MT is the better choice.

None of the models has an HDMI port. If your monitor supports only the HDMI interface, you will need to buy an adapter. Such adapters are cheap so nothing to worry about.

SATA slots are located on the motherboard and it is where SSD, HDD and Optical Disk Drives are connected. Each of the two models being compared have 4 SATA slot(s). Keep in mind that having too few SATA slots might limit your options for connecting additional memory drives.

If you want the fastest transfer speeds for your SSD, an M.2 interface is crucial. Thus, if the M.2 SSD slot is a mandatory requirement for you, go with the Dell OptiPlex 5070 MT. Sadly, the Dell OptiPlex 980 DT has no such slot, and you will be forced to use the SATA interface instead.

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 980 DT comes with a decent 255 Watt PSU, but the Dell OptiPlex 5070 MT has a more powerful one rated at 260 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_5070_MT_motherboard.jpg motherboard layoutDell_OptiPlex_980_DT_motherboard.jpg motherboard layout

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