Dell OptiPlex 3020 MT vs. Dell OptiPlex 9020M

Comparison and Differences

Dell_OptiPlex_3020_MT.jpg case front and back pannelDell_OptiPlex_9020M.jpg case front and back pannel
ModelDell OptiPlex 3020 MTDell OptiPlex 9020M
Form factorMini TowerMicro
CPU optionsIntel Gen4 i3/i5; Celeron; Pentium;Intel Gen4 i3/i5/i7;
ChipsetH81 Q87
Dedicated GPU *GeForce GTX 1660 SuperN.A.
RAMDIMM DDR3-1600 SODIMM DDR3-1600
RAM slots22
RAM speed1600 MT/s1600 MT/s
RAM max16 GB16 GB
USB ports(2x) USB-A 3.0; (6x) USB-A 2.0; (6x) USB-A 3.0
Video portsDisplayPort 1.2; VGA;DisplayPort 1.2; VGA;
Other portsRJ45; Hdph; Mic; Line-Out; Line-In; RJ45; Headset; Mic/Hdph;
Optional portsSerial+PS2;WiFi antenna; HDMI; DisplayPort; Serial; Serial+PS2;
SATA ports31
PCI slotsPCIe 2.0 x16; (3x) PCIe 2.0 x1 N.A.
M.2 slotsN.A.M.2 2230 (WiFi/BT); M.2 2280 B-Key (SATA only);
Drive bays(2x) 2.5/3.5-inch; (2x)5.25-inch;2.5-inch
PSUATX 290 W65 W
Weight7.6 kg (16.75 lb)1.28 kg (2.82 lb)
Released20132013
Manuallinklink
* 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 3020 MT and Dell OptiPlex 9020M

Both computers, the 2013 and the 2013, were released during the same year - 2013.

If you are looking for the smaller form factor the Dell OptiPlex 9020M is the right one for you. It is smaller than the Dell OptiPlex 3020 MT and will fit more easily under your desk.

Processor

The two models support the same generation of Intel Core processors. We think that the 4 generation of Intel Core has enough power to execute all of the home and office tasks that most people will care to do.

Memory

RAM slots is where your insert your RAM sticks. Each of those two models has 2 RAM slot(s) which should be taken into account when planning how much and what combination of RAM you are going to need.

None of the desktops has an advantage when it comes to the speed of the RAM being used. Both models support RAM speeds of up to 1600. In addition, you will be able to install the same amount of RAM in both models, and most probably 16 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 3020 MT has 8 USB ports. The Dell OptiPlex 9020M is inferior in this regard and packs 6 USB ports. None of the desktop models has a USB 3.1 port (10Gb/s), so if you need a fast connection to your peripherals you will need to look at other models.

The DisplayPort is usually the more popular video port used with desktops and laptops, while the HDMI is used predominantly in consumer electronics. It is good to see that both of the models come with a DisplayPort.

None of the models has an HDMI port. If your monitor supports only the HDMI interface, you will need to buy an adapter.

SATA port 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 3020 MT is better equipped as it comes with 3 SATA slot(s).

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 9020M. Sadly, the Dell OptiPlex 3020 MT has no such slot, and you will be forced to use the SATA interface instead.

Remark: Make sure that the M.2 slot supports the PCIe (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 6 Gb/s, while the PCIe 3.0 x4 will support speeds up to 32 Gb/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 9020M comes with a decent 65 Watt PSU, but the Dell OptiPlex 3020 MT has a more powerful one rated at 290 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.

Motherboard

Dell_OptiPlex_3020_MT_motherboard.jpg motherboard layoutDell_OptiPlex_9020M_motherboard.jpg motherboard layout

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