Quadro K420 vs Radeon RX 540

Find out if it is worth upgrading your current GPU setup by comparing Quadro K420 and Radeon RX 540. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Quadro K420 and Radeon RX 540. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon RX 540 is a Laptop Graphics Card

Note: Radeon RX 540 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 RX 540 here:

Main Specs

  Quadro K420 Radeon RX 540
Power consumption (TDP) 41 Watt 65 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None 1x 6-pin
Memory type 128 Bit GDDR5
Maximum RAM amount 1 GB/2 GB 4 GB
Display Connectors 1x DVI, 1x DisplayPort
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  • Radeon RX 540 has 58% more power consumption, than Quadro K420.
  • Quadro K420 is connected by PCIe 2.0 x16, and Radeon RX 540 uses PCIe 3.0 x16 interface.
  • Radeon RX 540 has 3 GB more memory, than Quadro K420.
  • Quadro K420 is used in Desktops, and Radeon RX 540 - in Laptops.
  • Quadro K420 is build with Kepler architecture, and Radeon RX 540 - with Polaris.
  • Quadro K420 is manufactured by 28 nm process technology, and Radeon RX 540 - by 14 nm process technology.
  • Memory clock speed of Radeon RX 540 is 4218 MHz higher, than Quadro K420.

Game benchmarks

high / 1080p 0−1 14−16
ultra / 1080p 0−1 8−9
QHD / 1440p 0−1 3−4
low / 720p 9−10 30−33
medium / 1080p 1−2 18−20
The average gaming FPS of Radeon RX 540 in Assassin's Creed Odyssey is 400% more, than Quadro K420.

Full Specs

  Quadro K420 Radeon RX 540
Architecture Kepler Polaris
Code name GK107 Polaris 12
Type Workstation Laptop
Release date 22 July 2014 21 March 2017
Pipelines 192 512
Core clock speed 876 MHz
Boost Clock 1219 MHz
Transistor count 1,270 million 1,500 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 14.02 39.01
Floating-point performance 336.4 gflops 1,248 gflops
Length 160 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 6000 MHz
Memory bandwidth 96 GB/s
Shared memory -
DirectX 12 12.0
Shader Model 5 5.0
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan +
CUDA 3.0
FreeSync +
Bitcoin / BTC (SHA256) 11 Mh/s
Laptop size large
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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