Quadro K420 vs Radeon R5 Bristol Ridge

If you are going to buy a new graphics card and are choosing between Quadro K420 and Radeon R5 Bristol Ridge, 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 K420 stacks up against Radeon R5 Bristol Ridge, check out specs charts below.

Radeon R5 Bristol Ridge is a Laptop Graphics Card

Note: Radeon R5 Bristol Ridge 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 R5 Bristol Ridge here:

Main Specs

  Quadro K420 Radeon R5 Bristol Ridge
Power consumption (TDP) 41 Watt 12-45 Watt
Interface PCIe 2.0 x16
Supplementary power connectors None
Memory type 128 Bit
Maximum RAM amount 1 GB/2 GB
Display Connectors 1x DVI, 1x DisplayPort
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  • Quadro K420 has 241% more power consumption, than Radeon R5 Bristol Ridge.
  • Quadro K420 is used in Desktops, and Radeon R5 Bristol Ridge - in Laptops.
  • Quadro K420 is build with Kepler architecture, and Radeon R5 Bristol Ridge - with GCN 1.2/2.0.
  • Quadro K420 and Radeon R5 Bristol Ridge are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 3−4
ultra / 1080p 0−1 1−2
QHD / 1440p 0−1 0−1
low / 720p 9−10 14−16
medium / 1080p 1−2 5−6
The average gaming FPS of Radeon R5 Bristol Ridge in Assassin's Creed Odyssey is 100% more, than Quadro K420.

Full Specs

  Quadro K420 Radeon R5 Bristol Ridge
Architecture Kepler GCN 1.2/2.0
Code name GK107 Bristol Ridge
Type Workstation Laptop
Release date 22 July 2014 1 June 2016
Pipelines 192 384
Core clock speed 876 MHz
Boost Clock 800 MHz
Transistor count 1,270 million 3100 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 14.02
Floating-point performance 336.4 gflops
Length 160 mm
Memory bus width 128 Bit 64/128 Bit
Memory clock speed 1782 MHz
Shared memory +
DirectX 12 DirectX 12 (FL 12_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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