Radeon HD 7970 vs Radeon R9 M270X

When choosing between Radeon HD 7970 and Radeon R9 M270X, 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 HD 7970 and Radeon R9 M270X.

Main Specs

  Radeon HD 7970 Radeon R9 M270X
Power consumption (TDP) 300 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M270X has 1 GB more memory, than Radeon HD 7970.
  • Both cards are used in Desktops.
  • Radeon HD 7970 is build with GCN architecture, and Radeon R9 M270X - with GCN 1.0.
  • Radeon HD 7970 and Radeon R9 M270X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7970 is 250 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 35−40 6−7
ultra / 1080p 21−24 4−5
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 16−18
medium / 1080p 40−45 8−9
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 355% more, than Radeon R9 M270X.

Full Specs

  Radeon HD 7970 Radeon R9 M270X
Architecture GCN GCN 1.0
Code name Tahiti XT Venus
Type Desktop Desktop
Release date 22 December 2011 21 March 2014
Pipelines 2048 640
Core clock speed 725 MHz
Boost Clock 925 MHz 775 MHz
Transistor count 4,313 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 118.4 31.00
Floating-point performance 3,789 gflops 1,536 gflops
Length 274 mm
Memory bus width 384 Bit 128 Bit
Memory clock speed 1375 MHz 1125 MHz
Memory bandwidth 264 GB/s 72 GB/s
Shared memory -
Shader Model 5.1 5.1
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
FreeSync + +
Bus support PCIe 2.1 x16 PCIe 3.0 x16
HDMI +
Bitcoin / BTC (SHA256) 485 Mh/s
Eyefinity + +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
Compute units 10
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