Quadro 4000 vs Quadro K620M

Find out if it is worth upgrading your current GPU setup by comparing Quadro 4000 and Quadro K620M. 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 K620M. 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.

Quadro K620M is a Laptop Graphics Card

Note: Quadro K620M 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 Quadro K620M here:

Main Specs

  Quadro 4000 Quadro K620M
Power consumption (TDP) 142 Watt 30 Watt
Interface PCIe 2.0 x16 MXM-A (3.0)
Supplementary power connectors 1x 6-pin None
Memory type GDDR5 DDR3
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 2x DisplayPort No outputs
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  • Quadro 4000 has 373% more power consumption, than Quadro K620M.
  • Quadro 4000 is connected by PCIe 2.0 x16, and Quadro K620M uses MXM-A (3.0) interface.
  • Quadro 4000 and Quadro K620M have maximum RAM of 2 GB.
  • Quadro 4000 is used in Desktops, and Quadro K620M - in Mobile workstations.
  • Quadro 4000 is build with Fermi architecture, and Quadro K620M - with Maxwell.
  • Core clock speed of Quadro K620M is 554 MHz higher, than Quadro 4000.
  • Quadro 4000 is manufactured by 40 nm process technology, and Quadro K620M - by 28 nm process technology.
  • Memory clock speed of Quadro 4000 is 808 MHz higher, than Quadro K620M.

Game benchmarks

high / 1080p 6−7 3−4
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 8−9 5−6
The average gaming FPS of Quadro 4000 in Assassin's Creed Odyssey is 50% more, than Quadro K620M.

Full Specs

  Quadro 4000 Quadro K620M
Architecture Fermi Maxwell
Code name GF100 GM108
Type Workstation Mobile workstation
Release date 2 November 2010 1 March 2015
Pipelines 256 384
Core clock speed 475 MHz 1029 MHz
Boost Clock 1124 MHz
Transistor count 3,100 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 15.20 17.98
Floating-point performance 486.4 gflops 863.2 gflops
Length 241 mm
Memory bus width 256 Bit 64 Bit
Memory clock speed 2808 MHz 2000 MHz
Memory bandwidth 89.86 GB/s 14.4 GB/s
Shared memory -
DirectX 12 (11_0) 12
Shader Model 5.1 5
OpenGL 4.6 4.5
OpenCL 1.1 1.2
Vulkan N/A 1.1.126
CUDA 2.0 +
Bitcoin / BTC (SHA256) 44 Mh/s 92 Mh/s
Optimus +
Display Port 1.2
nView Display Management +
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