Radeon HD 7870 vs Radeon R9 M290X

In this comparison between Radeon HD 7870 and Radeon R9 M290X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7870 will be the best choice, for others Radeon R9 M290X will be their preference. Study the comparison tables below and make your choice.

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

  Radeon HD 7870 Radeon R9 M290X
Power consumption (TDP) 175 Watt 100 Watt
Interface PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs
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  • Radeon HD 7870 has 75% more power consumption, than Radeon R9 M290X.
  • Radeon R9 M290X has 2 GB more memory, than Radeon HD 7870.
  • Radeon HD 7870 is used in Desktops, and Radeon R9 M290X - in Laptops.
  • Radeon HD 7870 and Radeon R9 M290X are build with GCN architecture.
  • Core clock speed of Radeon HD 7870 is 150 MHz higher, than Radeon R9 M290X.
  • Radeon HD 7870 and Radeon R9 M290X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870 is 3600 MHz higher, than Radeon R9 M290X.

Game benchmarks

high / 1080p 24−27 16−18
ultra / 1080p 14−16 10−11
QHD / 1440p 9−10 4−5
4K / 2160p 6−7 4−5
low / 720p 45−50 30−35
medium / 1080p 30−33 20−22
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 46% more, than Radeon R9 M290X.

Full Specs

  Radeon HD 7870 Radeon R9 M290X
Architecture GCN GCN
Code name Pitcairn XT Neptune
Type Desktop Laptop
Release date 5 March 2012 7 January 2014
Pipelines 1280 1280
Core clock speed 1000 MHz 850 MHz
Boost Clock 900 MHz
Transistor count 2800 Million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 72.00
Floating-point performance 2,304 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 4800 MHz 1200 MHz
Memory bandwidth 153.6 GB/s
Shared memory - -
DirectX DirectX 11.1, Shader 5.1
Shader Model 5.1
OpenGL 4.4
OpenCL Not Listed
Monero / XMR (CryptoNight) 0.39 kh/s
FreeSync +
Bus support PCIe 3.0 x16
Bitcoin / BTC (SHA256) 300 Mh/s
Laptop size large
Eyefinity + +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Decred / DCR (Decred) 0.63 Gh/s
Ethereum / ETH (DaggerHashimoto) 16.6 Mh/s
Zcash / ZEC (Equihash) 145 Sol/s
Compute units 20
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