FirePro V5900 vs Quadro K420

When comparing FirePro V5900 and Quadro K420, 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 FirePro V5900 and Quadro K420 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Main Specs

  FirePro V5900 Quadro K420
Power consumption (TDP) 75 Watt 41 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors None None
Memory type GDDR5 128 Bit
Maximum RAM amount 2 GB 1 GB/2 GB
Display Connectors 1x DVI 1x DVI, 1x DisplayPort
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  • FirePro V5900 has 82% more power consumption, than Quadro K420.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • FirePro V5900 has 1 GB more memory, than Quadro K420.
  • Both cards are used in Desktops.
  • FirePro V5900 is build with TeraScale 3 architecture, and Quadro K420 - with Kepler.
  • Core clock speed of Quadro K420 is 276 MHz higher, than FirePro V5900.
  • FirePro V5900 is manufactured by 40 nm process technology, and Quadro K420 - by 28 nm process technology.
  • FirePro V5900 is 70 mm longer, than Quadro K420.
  • Memory clock speed of FirePro V5900 is 218 MHz higher, than Quadro K420.

Game benchmarks

high / 1080p 4−5 0−1
ultra / 1080p 2−3 0−1
QHD / 1440p 1−2 0−1
low / 720p 14−16 9−10
medium / 1080p 7−8 1−2
The average gaming FPS of FirePro V5900 in Assassin's Creed Odyssey is 120% more, than Quadro K420.

Full Specs

  FirePro V5900 Quadro K420
Architecture TeraScale 3 Kepler
Code name Cayman GK107
Type Workstation Workstation
Release date 24 May 2011 22 July 2014
Pipelines 512 192
Core clock speed 600 MHz 876 MHz
Transistor count 2,640 million 1,270 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 19.20 14.02
Floating-point performance 614.4 gflops 336.4 gflops
Length 230 mm 160 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 2000 MHz 1782 MHz
Memory bandwidth 64 GB/s
DirectX 11.2 (11_0) 12
Shader Model 5.0 5
OpenGL 4.4 4.5
OpenCL 1.2 1.2
Vulkan N/A +
CUDA 3.0
Bitcoin / BTC (SHA256) 66 Mh/s 11 Mh/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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