Quadro K620M vs Radeon HD 6850

If you are going to buy a new graphics card and are choosing between Quadro K620M and Radeon HD 6850, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Quadro K620M stacks up against Radeon HD 6850, check out specs charts below.

Quadro K620M is a Laptop Graphics Card

Note: Quadro K620M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Quadro K620M here:

Main Specs

  Quadro K620M Radeon HD 6850
Power consumption (TDP) 30 Watt 127 Watt
Interface MXM-A (3.0) PCIe 2.0 x16
Supplementary power connectors None 1x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6850 has 323% more power consumption, than Quadro K620M.
  • Quadro K620M is connected by MXM-A (3.0), and Radeon HD 6850 uses PCIe 2.0 x16 interface.
  • Quadro K620M has 1 GB more memory, than Radeon HD 6850.
  • Quadro K620M is used in Mobile workstations, and Radeon HD 6850 - in Desktops.
  • Quadro K620M is build with Maxwell architecture, and Radeon HD 6850 - with TeraScale 2.
  • Quadro K620M is manufactured by 28 nm process technology, and Radeon HD 6850 - by 40 nm process technology.

Game benchmarks

high / 1080p 3−4 9−10
ultra / 1080p 1−2 5−6
QHD / 1440p 0−1 0−1
low / 720p 14−16 21−24
medium / 1080p 5−6 12−14
The average gaming FPS of Radeon HD 6850 in Assassin's Creed Odyssey is 100% more, than Quadro K620M.

Full Specs

  Quadro K620M Radeon HD 6850
Architecture Maxwell TeraScale 2
Code name GM108 Barts
Type Mobile workstation Desktop
Release date 1 March 2015 21 October 2010
Pipelines 384 960
Core clock speed 1029 MHz
Boost Clock 1124 MHz
Transistor count 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 17.98 37.20
Floating-point performance 863.2 gflops 1,488.0 gflops
Length 198 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 2000 MHz
Memory bandwidth 14.4 GB/s 128.0 GB/s
Shared memory -
DirectX 12
Shader Model 5 5.0
OpenGL 4.5 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126
CUDA +
Bus support AGP
Bitcoin / BTC (SHA256) 92 Mh/s 139 Mh/s
Optimus +
Eyefinity +
Design reference
CrossFire +
Display Port 1.2
nView Display Management +
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