Quadro K4000 vs Quadro P620

When choosing between Quadro K4000 and Quadro P620, 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 P620.

Main Specs

  Quadro K4000 Quadro P620
Power consumption (TDP) 80 Watt 40 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 4 GB
Display Connectors 1x DVI, 2x DisplayPort 4x mini-DisplayPort
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  • Quadro K4000 has 100% more power consumption, than Quadro P620.
  • Quadro K4000 is connected by PCIe 2.0 x16, and Quadro P620 uses PCIe 3.0 x16 interface.
  • Quadro P620 has 1 GB more memory, than Quadro K4000.
  • Both cards are used in Desktops.
  • Quadro K4000 is build with Kepler architecture, and Quadro P620 - with Pascal.
  • Core clock speed of Quadro P620 is 367 MHz higher, than Quadro K4000.
  • Quadro K4000 is manufactured by 28 nm process technology, and Quadro P620 - by 14 nm process technology.
  • Quadro K4000 is 96 mm longer, than Quadro P620.
  • Memory clock speed of Quadro P620 is 384 MHz higher, than Quadro K4000.

Game benchmarks

high / 1080p 14−16 18−20
ultra / 1080p 8−9 10−12
QHD / 1440p 3−4 5−6
4K / 2160p 4−5
low / 720p 27−30 35−40
medium / 1080p 16−18 21−24
The average gaming FPS of Quadro P620 in Assassin's Creed Odyssey is 35% more, than Quadro K4000.

Full Specs

  Quadro K4000 Quadro P620
Architecture Kepler Pascal
Code name GK106 GP107
Type Workstation Workstation
Release date 1 March 2013 27 May 2019
Pipelines 768 512
Core clock speed 810 MHz 1177 MHz
Boost Clock 1442 MHz
Transistor count 2,540 million 3,300 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 51.84 43.33
Floating-point performance 1,244 gflops 1,490 gflops
Length 241 mm 145 mm
Memory bus width 192 Bit 128 Bit
Memory clock speed 5616 MHz 6000 MHz
Memory bandwidth 134.8 GB/s 80.13 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA 3.0 6.1
Monero / XMR (CryptoNight) 0.21 kh/s
Bitcoin / BTC (SHA256) 61 Mh/s
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