Dell OptiPlex 7040 SFF vs. Lenovo ThinkCentre M83 Small Pro
Comparison and Differences
|Model||Dell OptiPlex 7040 SFF||Lenovo ThinkCentre M83 Small Pro|
|CPU options||Intel Gen6 i3/i5/i7||Intel Gen4 i3/i5/i7; Pentium;|
|Dedicated GPU *||GeForce GT 1030 Low Profile||GeForce GTX 1660 Super|
|RAM||DIMM DDR4-2133||DIMM DDR3-1600|
|RAM speed||2133 MT/s||1600 MT/s|
|RAM max||64 GB||32 GB|
|USB ports||(6x) USB-A 3.0; (4x) USB-A 2.0;||(4x)USB-A 3.0; (4x)USB-A 2.0;|
|Video ports||(2x) Display Port 1.2; HDMI 1.4;||(2x) DisplayPort; VGA;|
|Other ports||Serial; (2x) PS2; RJ45; Headset; Line-Out;||RJ45; Hdph; (2x) Mic; Line-Out; Line-In; Serial;|
|Optional ports||VGA; Media Card Reader;||Parallel; Serial; (2x) PS2; Media card reader (USB 2.0);|
|PCI slots||PCIe 3.0 x16; PCIe 3.0 x4;||PCIe 3.0 x16; PCIe 2.0 x1; PCIe 2.0 x16 (wired x4);|
|M.2 slots||M.2 2280 M-key (PCIe 3.0 x4, SATA 3.0)||N.A.|
|Drive bays||3.5-inch/(2x)2.5-inch; 5.25-inch (slim);||(2x) 2.5/3.5-inch; (2x) 5.25-inch;|
|PSU||180 W||ATX 280/450 W|
|Weight||6.00 kg (13.22 lb)||11.20 kg (24.69 lb)|
Differences between Dell OptiPlex 7040 SFF and Lenovo ThinkCentre M83 Small Pro
If a more modern desktop is what you are looking for, then you should go with the Dell OptiPlex 7040 SFF which was released in 2015. The Lenovo ThinkCentre M83 Small Pro is older and entered production in 2013.
If you are looking for the smaller form factor the Dell OptiPlex 7040 SFF is the right one for you. It is smaller than the Lenovo ThinkCentre M83 Small Pro and will fit more easily under your desk.
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 7040 SFF as it is running a newer generation CPU. This is not to say that Lenovo ThinkCentre M83 Small Pro is bad - it can still run some powerful CPUs, albeit being an older generation.
RAM slots is where your insert your RAM sticks. Each of those two models has 4 RAM slot(s) which should be taken into account when planning how much and what combination of RAM you are going to need.The Dell OptiPlex 7040 SFF is using the faster 2133 MT/s RAM. The Lenovo ThinkCentre M83 Small Pro is slower by supporting RAM speeds of only up to 1600 MT/s. Additionally, if you will be needing a lot of RAM, better go for the Dell OptiPlex 7040 SFF as it has the ability to run 64 GB of RAM. The Lenovo ThinkCentre M83 Small Pro can do a bit less at max 32 GB. Most of the times, this should be sufficient for most users.
In total the Dell OptiPlex 7040 SFF has 10 USB ports. The Lenovo ThinkCentre M83 Small Pro is inferior in this regard and packs 8 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.
The Dell OptiPlex 7040 SFF comes with an HDMI port, while the Lenovo ThinkCentre M83 Small Pro 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 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 Lenovo ThinkCentre M83 Small Pro is better equipped as it comes with 4 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 7040 SFF. Sadly, the Lenovo ThinkCentre M83 Small Pro 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!
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 7040 SFF comes with a decent 180 Watt PSU, but the Lenovo ThinkCentre M83 Small Pro has a more powerful one rated at 450 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.