Radeon R9 290X vs UHD Graphics 620

When choosing between Radeon R9 290X 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 290X and UHD Graphics 620.

UHD Graphics 620 is a Laptop Graphics Card

Note: UHD Graphics 620 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 UHD Graphics 620 here:

Main Specs

  Radeon R9 290X UHD Graphics 620
Power consumption (TDP) 250 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors 1 x 6-pin + 1 x 8-pin
Memory type GDDR5 LPDDR3/DDR4
Maximum RAM amount 4 GB 32 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon R9 290X has 1566% more power consumption, than UHD Graphics 620.
  • Radeon R9 290X 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 290X.
  • Radeon R9 290X is used in Desktops, and UHD Graphics 620 - in Laptops.
  • Radeon R9 290X is build with GCN architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Radeon R9 290X is manufactured by 28 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 35−40 2−3
ultra / 1080p 24−27 0−1
QHD / 1440p 18−20 0−1
4K / 2160p 10−11
low / 720p 60−65 12−14
medium / 1080p 45−50 3−4
The average gaming FPS of Radeon R9 290X in Assassin's Creed Odyssey is 716% more, than UHD Graphics 620.

Full Specs

  Radeon R9 290X UHD Graphics 620
Architecture GCN Gen. 9.5
Code name Hawaii XT Kaby-Lake-Refresh GT2
Type Desktop Laptop
Release date 24 October 2013 1 September 2017
Pipelines 2816 24
Core clock speed 300 MHz
Boost Clock 947 MHz 1150 MHz
Transistor count 6,200 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 176.0 27.60
Floating-point performance 5,632 gflops
Length 275 mm
Memory bus width 512 Bit 64/128 Bit
Memory clock speed 1250 MHz
Memory bandwidth 320 GB/s
Shared memory - +
DirectX 12 (12_1)
Shader Model 6.3 6.4
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan + 1.1.103
Monero / XMR (CryptoNight) 0.76 kh/s
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 623 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Decred / DCR (Decred) 1.07 Gh/s
Ethereum / ETH (DaggerHashimoto) 25.75 Mh/s
Zcash / ZEC (Equihash) 350 Sol/s
Quick Sync +
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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