Quadro K420 vs Radeon HD 8650G plus HD 8670M Dual Graphics

In this comparison between Quadro K420 and Radeon HD 8650G plus HD 8670M 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 K420 will be the best choice, for others Radeon HD 8650G plus HD 8670M Dual Graphics will be their preference. Study the comparison tables below and make your choice.

Radeon HD 8650G plus HD 8670M Dual Graphics is a Laptop Graphics Card

Note: Radeon HD 8650G plus HD 8670M Dual Graphics 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 Radeon HD 8650G plus HD 8670M Dual Graphics here:

Main Specs

  Quadro K420 Radeon HD 8650G plus HD 8670M Dual Graphics
Power consumption (TDP) 41 Watt
Interface PCIe 2.0 x16
Supplementary power connectors None
Memory type 128 Bit DDR3
Maximum RAM amount 1 GB/2 GB
Display Connectors 1x DVI, 1x DisplayPort
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  • Quadro K420 is used in Desktops, and Radeon HD 8650G plus HD 8670M Dual Graphics - in Laptops.
  • Core clock speed of Quadro K420 is 156 MHz higher, than Radeon HD 8650G plus HD 8670M Dual Graphics.
  • Quadro K420 is manufactured by 28 nm process technology, and Radeon HD 8650G plus HD 8670M Dual Graphics - by 32 / 28 nm process technology.
  • Memory clock speed of Radeon HD 8650G plus HD 8670M Dual Graphics is 18 MHz higher, than Quadro K420.

Game benchmarks

high / 1080p 0−1 0−1
ultra / 1080p 0−1 0−1
QHD / 1440p 0−1 0−1
low / 720p 9−10 10−12
medium / 1080p 1−2 2−3
The average gaming FPS of Radeon HD 8650G plus HD 8670M Dual Graphics in Assassin's Creed Odyssey is 20% more, than Quadro K420.

Full Specs

  Quadro K420 Radeon HD 8650G plus HD 8670M Dual Graphics
Architecture Kepler
Code name GK107
Type Workstation Laptop
Release date 22 July 2014 1 August 2013
Pipelines 192 768
Core clock speed 876 MHz 720 / 775 MHz
Transistor count 1,270 million
Manufacturing process technology 28 nm 32 / 28 nm
Texture fill rate 14.02
Floating-point performance 336.4 gflops
Length 160 mm
Memory bus width 128 Bit 64 Bit
Memory clock speed 1782 MHz 1800 - 2000 MHz
Shared memory -
DirectX 12 DirectX 11, Shader 5.0
Shader Model 5
OpenGL 4.5
OpenCL 1.2
Vulkan +
CUDA 3.0
Bitcoin / BTC (SHA256) 11 Mh/s
Laptop size medium sized
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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