Quadro 4000 vs Quadro K620

Find out if it is worth upgrading your current GPU setup by comparing Quadro 4000 and Quadro K620. 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 4000 and Quadro K620. 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 4000 Quadro K620
Power consumption (TDP) 142 Watt 41 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin None
Memory type GDDR5 128 Bit
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 2x DisplayPort 1x DVI, 1x DisplayPort
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  • Quadro 4000 has 246% more power consumption, than Quadro K620.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Quadro 4000 and Quadro K620 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Quadro 4000 is build with Fermi architecture, and Quadro K620 - with Maxwell.
  • Core clock speed of Quadro K620 is 583 MHz higher, than Quadro 4000.
  • Quadro 4000 is manufactured by 40 nm process technology, and Quadro K620 - by 28 nm process technology.
  • Quadro 4000 is 81 mm longer, than Quadro K620.
  • Memory clock speed of Quadro 4000 is 1008 MHz higher, than Quadro K620.

Game benchmarks

high / 1080p 6−7 10−12
ultra / 1080p 4−5 6−7
QHD / 1440p 0−1 1−2
low / 720p 16−18 24−27
medium / 1080p 8−9 14−16
The average gaming FPS of Quadro K620 in Assassin's Creed Odyssey is 55% more, than Quadro 4000.

Full Specs

  Quadro 4000 Quadro K620
Architecture Fermi Maxwell
Code name GF100 GM107
Type Workstation Workstation
Release date 2 November 2010 22 July 2014
Pipelines 256 384
Core clock speed 475 MHz 1058 MHz
Boost Clock 1124 MHz
Transistor count 3,100 million 1,870 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 15.20 26.98
Floating-point performance 486.4 gflops 863.2 gflops
Length 241 mm 160 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 2808 MHz 1800 MHz
Memory bandwidth 89.86 GB/s
DirectX 12 (11_0) 12
Shader Model 5.1 5
OpenGL 4.6 4.5
OpenCL 1.1 1.2
Vulkan N/A +
CUDA 2.0 5.0
Bitcoin / BTC (SHA256) 44 Mh/s 104 Mh/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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