Quadro K420 vs Radeon HD 8730M

When choosing between Quadro K420 and Radeon HD 8730M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Quadro K420 and Radeon HD 8730M.

Radeon HD 8730M is a Laptop Graphics Card

Note: Radeon HD 8730M 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 8730M here:

Main Specs

  Quadro K420 Radeon HD 8730M
Power consumption (TDP) 41 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type 128 Bit DDR3
Maximum RAM amount 1 GB/2 GB 2 GB
Display Connectors 1x DVI, 1x DisplayPort No outputs
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  • Quadro K420 is connected by PCIe 2.0 x16, and Radeon HD 8730M uses PCIe 3.0 x8 interface.
  • Radeon HD 8730M has 1 GB more memory, than Quadro K420.
  • Quadro K420 is used in Desktops, and Radeon HD 8730M - in Laptops.
  • Quadro K420 is build with Kepler architecture, and Radeon HD 8730M - with GCN.
  • Core clock speed of Quadro K420 is 226 MHz higher, than Radeon HD 8730M.
  • Quadro K420 and Radeon HD 8730M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 8730M is 218 MHz higher, than Quadro K420.

Game benchmarks

high / 1080p 0−1 0−1
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 9−10 1−2
medium / 1080p 1−2 0−1
The average gaming FPS of Quadro K420 in Assassin's Creed Odyssey is 800% more, than Radeon HD 8730M.

Full Specs

  Quadro K420 Radeon HD 8730M
Architecture Kepler GCN
Code name GK107 Mars
Type Workstation Laptop
Release date 22 July 2014 16 November 2012
Pipelines 192 384
Core clock speed 876 MHz 650 MHz
Boost Clock 700 MHz
Transistor count 1,270 million 950 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 14.02 16.80
Floating-point performance 336.4 gflops 537.6 gflops
Length 160 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 2000 MHz
Memory bandwidth 32 GB/s
Shared memory -
DirectX 12 12 (11_1)
Shader Model 5 5.1
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan + 1.2.131
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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