Quadro K4000 vs Quadro K620M

When choosing between Quadro K4000 and Quadro K620M, 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 K4000 and Quadro K620M.

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 K4000 Quadro K620M
Power consumption (TDP) 80 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 3 GB 2 GB
Display Connectors 1x DVI, 2x DisplayPort No outputs
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  • Quadro K4000 has 166% more power consumption, than Quadro K620M.
  • Quadro K4000 is connected by PCIe 2.0 x16, and Quadro K620M uses MXM-A (3.0) interface.
  • Quadro K4000 has 1 GB more memory, than Quadro K620M.
  • Quadro K4000 is used in Desktops, and Quadro K620M - in Mobile workstations.
  • Quadro K4000 is build with Kepler architecture, and Quadro K620M - with Maxwell.
  • Core clock speed of Quadro K620M is 219 MHz higher, than Quadro K4000.
  • Quadro K4000 and Quadro K620M are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro K4000 is 3616 MHz higher, than Quadro K620M.

Game benchmarks

high / 1080p 14−16 3−4
ultra / 1080p 8−9 1−2
QHD / 1440p 3−4 0−1
low / 720p 27−30 14−16
medium / 1080p 16−18 5−6
The average gaming FPS of Quadro K4000 in Assassin's Creed Odyssey is 183% more, than Quadro K620M.

Full Specs

  Quadro K4000 Quadro K620M
Architecture Kepler Maxwell
Code name GK106 GM108
Type Workstation Mobile workstation
Release date 1 March 2013 1 March 2015
Pipelines 768 384
Core clock speed 810 MHz 1029 MHz
Boost Clock 1124 MHz
Transistor count 2,540 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 51.84 17.98
Floating-point performance 1,244 gflops 863.2 gflops
Length 241 mm
Memory bus width 192 Bit 64 Bit
Memory clock speed 5616 MHz 2000 MHz
Memory bandwidth 134.8 GB/s 14.4 GB/s
Shared memory -
DirectX 12 (11_0) 12
Shader Model 5.1 5
OpenGL 4.6 4.5
OpenCL 1.2 1.2
Vulkan 1.1.126 1.1.126
CUDA 3.0 +
Monero / XMR (CryptoNight) 0.21 kh/s
Bitcoin / BTC (SHA256) 61 Mh/s 92 Mh/s
Optimus +
Display Port 1.2
nView Display Management +
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