Quadro K420 vs Radeon R6 Carrizo

When comparing Quadro K420 and Radeon R6 Carrizo, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Quadro K420 and Radeon R6 Carrizo is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R6 Carrizo is a Laptop Graphics Card

Note: Radeon R6 Carrizo 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 R6 Carrizo here:

Main Specs

  Quadro K420 Radeon R6 Carrizo
Power consumption (TDP) 41 Watt 12-35 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 R6 Carrizo.
  • Quadro K420 is used in Desktops, and Radeon R6 Carrizo - in Laptops.
  • Quadro K420 is build with Kepler architecture, and Radeon R6 Carrizo - with GCN 1.2/2.0.
  • Quadro K420 and Radeon R6 Carrizo are manufactured by 28 nm process technology.

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 R6 Carrizo in Assassin's Creed Odyssey is 20% more, than Quadro K420.

Full Specs

  Quadro K420 Radeon R6 Carrizo
Architecture Kepler GCN 1.2/2.0
Code name GK107 Carrizo
Type Workstation Laptop
Release date 22 July 2014 4 June 2015
Pipelines 192 384
Core clock speed 876 MHz
Boost Clock 800 MHz
Transistor count 1,270 million 2410 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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