Quadro K620M vs Radeon Pro 450

Find out if it is worth upgrading your current GPU setup by comparing Quadro K620M and Radeon Pro 450. 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 K620M and Radeon Pro 450. 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 and Radeon Pro 450 are Laptop Graphics Cards

Note: Quadro K620M and Radeon Pro 450 are only used in laptop graphics. They have 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 or Radeon Pro 450 here:

Main Specs

  Quadro K620M Radeon Pro 450
Power consumption (TDP) 30 Watt 35 Watt
Interface MXM-A (3.0) PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 450 has 16% more power consumption, than Quadro K620M.
  • Quadro K620M is connected by MXM-A (3.0), and Radeon Pro 450 uses PCIe 3.0 x8 interface.
  • Quadro K620M and Radeon Pro 450 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • Quadro K620M is build with Maxwell architecture, and Radeon Pro 450 - with Polaris.
  • Core clock speed of Quadro K620M is 229 MHz higher, than Radeon Pro 450.
  • Quadro K620M is manufactured by 28 nm process technology, and Radeon Pro 450 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 450 is 3080 MHz higher, than Quadro K620M.

Game benchmarks

high / 1080p 3−4 14−16
ultra / 1080p 1−2 8−9
QHD / 1440p 0−1 3−4
low / 720p 14−16 27−30
medium / 1080p 5−6 16−18
The average gaming FPS of Radeon Pro 450 in Assassin's Creed Odyssey is 183% more, than Quadro K620M.

Full Specs

  Quadro K620M Radeon Pro 450
Architecture Maxwell Polaris
Code name GM108 Polaris 11
Type Mobile workstation Mobile workstation
Release date 1 March 2015 27 October 2016
Pipelines 384 640
Core clock speed 1029 MHz 800 MHz
Boost Clock 1124 MHz
Transistor count 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.98 32.00
Floating-point performance 863.2 gflops 1,024 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 5080 MHz
Memory bandwidth 14.4 GB/s 81.28 GB/s
Shared memory - -
DirectX 12 12 (12_0)
Shader Model 5 6.4
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA +
FreeSync +
Bitcoin / BTC (SHA256) 92 Mh/s 127 Mh/s
Laptop size large
Optimus +
Display Port 1.2
nView Display Management +
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