Quadro K420 vs Quadro M4000

Find out if it is worth upgrading your current GPU setup by comparing Quadro K420 and Quadro M4000. 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 Quadro M4000. 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.

Main Specs

  Quadro K420 Quadro M4000
Power consumption (TDP) 41 Watt 120 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None 1 x 6-pin
Memory type 128 Bit GDDR5
Maximum RAM amount 1 GB/2 GB 8 GB
Display Connectors 1x DVI, 1x DisplayPort 4x DisplayPort
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  • Quadro M4000 has 192% more power consumption, than Quadro K420.
  • Quadro K420 is connected by PCIe 2.0 x16, and Quadro M4000 uses PCIe 3.0 x16 interface.
  • Quadro M4000 has 7 GB more memory, than Quadro K420.
  • Both cards are used in Desktops.
  • Quadro K420 is build with Kepler architecture, and Quadro M4000 - with Maxwell 2.0.
  • Core clock speed of Quadro K420 is 103 MHz higher, than Quadro M4000.
  • Quadro K420 and Quadro M4000 are manufactured by 28 nm process technology.
  • Quadro M4000 is 81 mm longer, than Quadro K420.
  • Memory clock speed of Quadro M4000 is 4226 MHz higher, than Quadro K420.

Game benchmarks

high / 1080p 0−1 35−40
ultra / 1080p 0−1 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 9−10 60−65
medium / 1080p 1−2 40−45
The average gaming FPS of Quadro M4000 in Assassin's Creed Odyssey is 940% more, than Quadro K420.

Full Specs

  Quadro K420 Quadro M4000
Architecture Kepler Maxwell 2.0
Code name GK107 GM204
Type Workstation Workstation
Release date 22 July 2014 29 June 2015
Pipelines 192 1664
Core clock speed 876 MHz 773 MHz
Transistor count 1,270 million 5,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 14.02 80.39
Floating-point performance 336.4 gflops 2,573 gflops
Length 160 mm 241 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1782 MHz 6008 MHz
DirectX 12 12
Shader Model 5 5
OpenGL 4.5 4.5
OpenCL 1.2 1.2
Vulkan + +
CUDA 3.0 5.2
SLI options +
Bitcoin / BTC (SHA256) 11 Mh/s 299 Mh/s
3D Vision Pro + +
Mosaic + +
Width 1" (2.5 cm) 1" (2.5 cm)
Number of simultaneous displays 4 4
nView Desktop Management + +
Multi-display synchronization Quadro Sync
High-Performance Video I/O6 +
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