Quadro K4000M vs Quadro K620

Find out if it is worth upgrading your current GPU setup by comparing Quadro K4000M 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 K4000M 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.

Quadro K4000M is a Laptop Graphics Card

Note: Quadro K4000M 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 K4000M here:

Main Specs

  Quadro K4000M Quadro K620
Power consumption (TDP) 100 Watt 41 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 128 Bit
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs 1x DVI, 1x DisplayPort
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  • Quadro K4000M has 143% more power consumption, than Quadro K620.
  • Quadro K4000M is connected by MXM-B (3.0), and Quadro K620 uses PCIe 2.0 x16 interface.
  • Quadro K4000M has 2 GB more memory, than Quadro K620.
  • Quadro K4000M is used in Mobile workstations, and Quadro K620 - in Desktops.
  • Quadro K4000M is build with Kepler architecture, and Quadro K620 - with Maxwell.
  • Core clock speed of Quadro K620 is 458 MHz higher, than Quadro K4000M.
  • Quadro K4000M and Quadro K620 are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro K4000M is 1000 MHz higher, than Quadro K620.

Game benchmarks

high / 1080p 10−11 10−12
ultra / 1080p 6−7 6−7
QHD / 1440p 1−2 1−2
low / 720p 21−24 24−27
medium / 1080p 12−14 14−16
The average gaming FPS of Quadro K620 in Assassin's Creed Odyssey is 10% more, than Quadro K4000M.

Full Specs

  Quadro K4000M Quadro K620
Architecture Kepler Maxwell
Code name N14E-Q3 GM107
Type Mobile workstation Workstation
Release date 1 June 2012 22 July 2014
Pipelines 960 384
Core clock speed 600 MHz 1058 MHz
Boost Clock 1124 MHz
Transistor count 3,540 million 1,870 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 48.08 26.98
Floating-point performance 1,154 gflops 863.2 gflops
Length 160 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 2800 MHz 1800 MHz
Memory bandwidth 89.6 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 +
CUDA + 5.0
Bitcoin / BTC (SHA256) 37 Mh/s 104 Mh/s
Laptop size large
Optimus +
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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