Quadro K620M vs Radeon HD 7660G plus HD 7670M Dual Graphics

In this comparison between Quadro K620M and Radeon HD 7660G plus HD 7670M Dual Graphics 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 Quadro K620M will be the best choice, for others Radeon HD 7660G plus HD 7670M Dual Graphics will be their preference. Study the comparison tables below and make your choice.

Quadro K620M and Radeon HD 7660G plus HD 7670M Dual Graphics are Laptop Graphics Cards

Note: Quadro K620M and Radeon HD 7660G plus HD 7670M Dual Graphics 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 Quadro K620M or Radeon HD 7660G plus HD 7670M Dual Graphics here:

Main Specs

  Quadro K620M Radeon HD 7660G plus HD 7670M Dual Graphics
Power consumption (TDP) 30 Watt
Interface MXM-A (3.0)
Supplementary power connectors None
Memory type DDR3 DDR3,GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Quadro K620M is used in Mobile workstations, and Radeon HD 7660G plus HD 7670M Dual Graphics - in Laptops.
  • Quadro K620M is build with Maxwell architecture, and Radeon HD 7660G plus HD 7670M Dual Graphics - with Terascale 2.
  • Core clock speed of Quadro K620M is 344 MHz higher, than Radeon HD 7660G plus HD 7670M Dual Graphics.
  • Quadro K620M is manufactured by 28 nm process technology, and Radeon HD 7660G plus HD 7670M Dual Graphics - by 40 / 32 nm process technology.
  • Memory clock speed of Quadro K620M is 200 MHz higher, than Radeon HD 7660G plus HD 7670M Dual Graphics.

Game benchmarks

high / 1080p 3−4 1−2
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of Quadro K620M in Assassin's Creed Odyssey is 33% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.

Full Specs

  Quadro K620M Radeon HD 7660G plus HD 7670M Dual Graphics
Architecture Maxwell Terascale 2
Code name GM108
Type Mobile workstation Laptop
Release date 1 March 2015 15 May 2012
Pipelines 384 862
Core clock speed 1029 MHz 685 / 600 MHz
Boost Clock 1124 MHz
Manufacturing process technology 28 nm 40 / 32 nm
Texture fill rate 17.98
Floating-point performance 863.2 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 1800 MHz
Memory bandwidth 14.4 GB/s
Shared memory - -
DirectX 12 DirectX 11, Shader 5.0
Shader Model 5
OpenGL 4.5
OpenCL 1.2
Vulkan 1.1.126
CUDA +
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size medium sized
Optimus +
Display Port 1.2
nView Display Management +
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