Quadro K420 vs Radeon R9 M375X

When choosing between Quadro K420 and Radeon R9 M375X, 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 R9 M375X.

Main Specs

  Quadro K420 Radeon R9 M375X
Power consumption (TDP) 41 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type 128 Bit GDDR5
Maximum RAM amount 1 GB/2 GB 4 GB
Display Connectors 1x DVI, 1x DisplayPort No outputs
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  • Quadro K420 is connected by PCIe 2.0 x16, and Radeon R9 M375X uses PCIe 3.0 x16 interface.
  • Radeon R9 M375X has 3 GB more memory, than Quadro K420.
  • Both cards are used in Desktops.
  • Quadro K420 is build with Kepler architecture, and Radeon R9 M375X - with GCN 1.0.
  • Core clock speed of Radeon R9 M375X is 49 MHz higher, than Quadro K420.
  • Quadro K420 and Radeon R9 M375X are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro K420 is 657 MHz higher, than Radeon R9 M375X.

Game benchmarks

high / 1080p 0−1 9−10
ultra / 1080p 0−1 5−6
QHD / 1440p 0−1 0−1
low / 720p 9−10 21−24
medium / 1080p 1−2 12−14
The average gaming FPS of Radeon R9 M375X in Assassin's Creed Odyssey is 240% more, than Quadro K420.

Full Specs

  Quadro K420 Radeon R9 M375X
Architecture Kepler GCN 1.0
Code name GK107 Tropo
Type Workstation Desktop
Release date 22 July 2014 5 May 2015
Pipelines 192 640
Core clock speed 876 MHz 925 MHz
Boost Clock 1015 MHz
Transistor count 1,270 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 14.02 40.60
Floating-point performance 336.4 gflops 1,299 gflops
Length 160 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 1125 MHz
Memory bandwidth 72 GB/s
DirectX 12
Shader Model 5 5.1
OpenGL 4.5 4.4
OpenCL 1.2 Not Listed
Vulkan +
CUDA 3.0
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 11 Mh/s
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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