Mobility Radeon HD 4850 vs Quadro K620M

When choosing between Mobility Radeon HD 4850 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 Mobility Radeon HD 4850 and Quadro K620M.

Mobility Radeon HD 4850 and Quadro K620M are Laptop Graphics Cards

Note: Mobility Radeon HD 4850 and Quadro K620M 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 Mobility Radeon HD 4850 or Quadro K620M here:

Main Specs

  Mobility Radeon HD 4850 Quadro K620M
Power consumption (TDP) 30 Watt
Interface PCIe 2.0 x16 MXM-A (3.0)
Supplementary power connectors None
Memory type GDDR3 DDR3
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4850 is connected by PCIe 2.0 x16, and Quadro K620M uses MXM-A (3.0) interface.
  • Quadro K620M has 1 GB more memory, than Mobility Radeon HD 4850.
  • Mobility Radeon HD 4850 is used in Laptops, and Quadro K620M - in Mobile workstations.
  • Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Quadro K620M - with Maxwell.
  • Core clock speed of Quadro K620M is 529 MHz higher, than Mobility Radeon HD 4850.
  • Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Quadro K620M - by 28 nm process technology.
  • Memory clock speed of Quadro K620M is 1150 MHz higher, than Mobility Radeon HD 4850.

Game benchmarks

high / 1080p 3−4 3−4
ultra / 1080p 1−2 1−2
QHD / 1440p 0−1 0−1
low / 720p 14−16 14−16
medium / 1080p 5−6 5−6
Mobility Radeon HD 4850 and Quadro K620M have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Mobility Radeon HD 4850 Quadro K620M
Architecture Terascale 1 Maxwell
Code name M98 GM108
Type Laptop Mobile workstation
Release date 9 January 2009 1 March 2015
Pipelines 800 384
Core clock speed 500 MHz 1029 MHz
Boost Clock 1124 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 20.00 17.98
Floating-point performance 800.0 gflops 863.2 gflops
Memory bus width 256 Bit 64 Bit
Memory clock speed 850 MHz 2000 MHz
Memory bandwidth 54.4 GB/s 14.4 GB/s
Shared memory - -
DirectX 10.1 (10_1) 12
Shader Model 4.1 5
OpenGL 3.3 4.5
OpenCL 1.1 1.2
Vulkan N/A 1.1.126
CUDA +
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size large
Optimus +
Display Port 1.2
nView Display Management +
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