Mobility Radeon HD 5870 Crossfire vs Quadro K620M

In this comparison between Mobility Radeon HD 5870 Crossfire and Quadro K620M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Mobility Radeon HD 5870 Crossfire will be the best choice, for others Quadro K620M will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 5870 Crossfire and Quadro K620M are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 Crossfire and Quadro K620M are only used in laptop graphics. They have 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 Mobility Radeon HD 5870 Crossfire or Quadro K620M here:

Main Specs

  Mobility Radeon HD 5870 Crossfire Quadro K620M
Power consumption (TDP) 120 Watt 30 Watt
Interface MXM-A (3.0)
Supplementary power connectors None
Memory type DDR3, GDDR3, GDDR5 DDR3
Maximum RAM amount 2x1 GB 2 GB
Display Connectors No outputs
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  • Mobility Radeon HD 5870 Crossfire has 300% more power consumption, than Quadro K620M.
  • Mobility Radeon HD 5870 Crossfire and Quadro K620M have maximum RAM of 2 GB.
  • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Quadro K620M - in Mobile workstations.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Quadro K620M - with Maxwell.
  • Core clock speed of Quadro K620M is 329 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Quadro K620M - by 28 nm process technology.
  • Memory clock speed of Quadro K620M is 1000 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 3−4
ultra / 1080p 9−10 1−2
QHD / 1440p 4−5 0−1
low / 720p 30−35 14−16
medium / 1080p 18−20 5−6
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 216% more, than Quadro K620M.

Full Specs

  Mobility Radeon HD 5870 Crossfire Quadro K620M
Architecture Terascale 2 Maxwell
Code name Broadway-XT GM108
Type Laptop Mobile workstation
Release date 7 January 2010 1 March 2015
Pipelines 1600 384
Core clock speed 700 MHz 1029 MHz
Boost Clock 1124 MHz
Manufacturing process technology 40 nm 28 nm
Texture fill rate 17.98
Floating-point performance 863.2 gflops
Memory bus width 128 Bit 64 Bit
Memory clock speed 1000 MHz 2000 MHz
Memory bandwidth 14.4 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0 12
Shader Model 5
OpenGL 4.5
OpenCL 1.2
Vulkan 1.1.126
CUDA +
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size large
Optimus +
Display Port 1.2
nView Display Management +
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