GeForce 820A vs Radeon R9 M290X

When choosing between GeForce 820A and Radeon R9 M290X, 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 GeForce 820A and Radeon R9 M290X.

Radeon R9 M290X is a Laptop Graphics Card

Note: Radeon R9 M290X 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 Radeon R9 M290X here:

Main Specs

  GeForce 820A Radeon R9 M290X
Power consumption (TDP) 15 Watt 100 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon R9 M290X has 566% more power consumption, than GeForce 820A.
  • GeForce 820A is connected by PCIe 2.0 x16, and Radeon R9 M290X uses PCIe 3.0 x16 interface.
  • Radeon R9 M290X has 3 GB more memory, than GeForce 820A.
  • GeForce 820A is used in Desktops, and Radeon R9 M290X - in Laptops.
  • GeForce 820A is build with Fermi 2.0 architecture, and Radeon R9 M290X - with GCN.
  • Core clock speed of Radeon R9 M290X is 75 MHz higher, than GeForce 820A.
  • GeForce 820A and Radeon R9 M290X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce 820A is 600 MHz higher, than Radeon R9 M290X.

Game benchmarks

high / 1080p 0−1 16−18
ultra / 1080p 10−11
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 1−2 30−35
medium / 1080p 0−1 20−22
The average gaming FPS of Radeon R9 M290X in Assassin's Creed Odyssey is 3100% more, than GeForce 820A.

Full Specs

  GeForce 820A Radeon R9 M290X
Architecture Fermi 2.0 GCN
Code name GF117 Neptune
Type Desktop Laptop
Release date 17 March 2014 7 January 2014
Pipelines 96 1280
Core clock speed 775 MHz 850 MHz
Boost Clock 900 MHz
Transistor count 585 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 12.40 72.00
Floating-point performance 297.6 gflops 2,304 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 1200 MHz
Memory bandwidth 14.4 GB/s 153.6 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
CUDA 2.1
FreeSync +
Bus support PCIe 3.0 x16
Bitcoin / BTC (SHA256) 300 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 20
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