Quadro K4000 vs Quadro P520

When choosing between Quadro K4000 and Quadro P520, 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 P520.

Quadro P520 is a Laptop Graphics Card

Note: Quadro P520 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 P520 here:

Main Specs

  Quadro K4000 Quadro P520
Power consumption (TDP) 80 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 2 GB
Display Connectors 1x DVI, 2x DisplayPort
  Check Price Check Price
  • Quadro K4000 has 1 GB more memory, than Quadro P520.
  • Quadro K4000 is used in Desktops, and Quadro P520 - in Mobile workstations.
  • Quadro K4000 is build with Kepler architecture, and Quadro P520 - with Pascal.
  • Core clock speed of Quadro P520 is 493 MHz higher, than Quadro K4000.
  • Quadro K4000 is manufactured by 28 nm process technology, and Quadro P520 - by 14 nm process technology.
  • Memory clock speed of Quadro P520 is 384 MHz higher, than Quadro K4000.

Game benchmarks

high / 1080p 14−16 10−12
ultra / 1080p 8−9 6−7
QHD / 1440p 3−4 1−2
low / 720p 27−30 24−27
medium / 1080p 16−18 12−14
The average gaming FPS of Quadro K4000 in Assassin's Creed Odyssey is 27% more, than Quadro P520.

Full Specs

  Quadro K4000 Quadro P520
Architecture Kepler Pascal
Code name GK106
Type Workstation Mobile workstation
Release date 1 March 2013 27 May 2019
Pipelines 768 384
Core clock speed 810 MHz 1303 MHz
Boost Clock 1493 MHz
Transistor count 2,540 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 51.84
Floating-point performance 1,244 gflops
Length 241 mm
Memory bus width 192 Bit 64 Bit
Memory clock speed 5616 MHz 6000 MHz
Memory bandwidth 134.8 GB/s
Shared memory -
DirectX 12 (11_0) DirectX 12_1
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.1.126 +
CUDA 3.0
Monero / XMR (CryptoNight) 0.21 kh/s
Bitcoin / BTC (SHA256) 61 Mh/s
Laptop size large
  Check Price Check Price