Radeon R9 M290X vs UHD Graphics 620

When choosing between Radeon R9 M290X and UHD Graphics 620, 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 Radeon R9 M290X and UHD Graphics 620.

Radeon R9 M290X and UHD Graphics 620 are Laptop Graphics Cards

Note: Radeon R9 M290X and UHD Graphics 620 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 Radeon R9 M290X or UHD Graphics 620 here:

Main Specs

  Radeon R9 M290X UHD Graphics 620
Power consumption (TDP) 100 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors None
Memory type GDDR5 LPDDR3/DDR4
Maximum RAM amount 4 GB 32 GB
Display Connectors No outputs No outputs
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  • Radeon R9 M290X has 566% more power consumption, than UHD Graphics 620.
  • Radeon R9 M290X is connected by PCIe 3.0 x16, and UHD Graphics 620 uses PCIe 3.0 x1 interface.
  • UHD Graphics 620 has 28 GB more memory, than Radeon R9 M290X.
  • Both cards are used in Laptops.
  • Radeon R9 M290X is build with GCN architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of Radeon R9 M290X is 550 MHz higher, than UHD Graphics 620.
  • Radeon R9 M290X is manufactured by 28 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 16−18 2−3
ultra / 1080p 10−11 0−1
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 12−14
medium / 1080p 20−22 3−4
The average gaming FPS of Radeon R9 M290X in Assassin's Creed Odyssey is 283% more, than UHD Graphics 620.

Full Specs

  Radeon R9 M290X UHD Graphics 620
Architecture GCN Gen. 9.5
Code name Neptune Kaby-Lake-Refresh GT2
Type Laptop Laptop
Release date 7 January 2014 1 September 2017
Pipelines 1280 24
Core clock speed 850 MHz 300 MHz
Boost Clock 900 MHz 1150 MHz
Transistor count 2,800 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 72.00 27.60
Floating-point performance 2,304 gflops
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 1200 MHz
Memory bandwidth 153.6 GB/s
Shared memory - +
DirectX 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.1
Vulkan 1.1.103
FreeSync +
Bus support PCIe 3.0 x16
Bitcoin / BTC (SHA256) 300 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Quick Sync +
Compute units 20
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