Radeon HD 7970M vs Radeon R7 Carrizo

When choosing between Radeon HD 7970M and Radeon R7 Carrizo, 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 7970M and Radeon R7 Carrizo.

Radeon HD 7970M and Radeon R7 Carrizo are Laptop Graphics Cards

Note: Radeon HD 7970M and Radeon R7 Carrizo 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 HD 7970M or Radeon R7 Carrizo here:

Main Specs

  Radeon HD 7970M Radeon R7 Carrizo
Power consumption (TDP) 100 Watt 12-35 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Radeon HD 7970M has 733% more power consumption, than Radeon R7 Carrizo.
  • Both cards are used in Laptops.
  • Radeon HD 7970M is build with GCN architecture, and Radeon R7 Carrizo - with GCN 1.2/2.0.
  • Radeon HD 7970M and Radeon R7 Carrizo are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 18−20 2−3
ultra / 1080p 10−12 0−1
QHD / 1440p 5−6 0−1
4K / 2160p 4−5
low / 720p 35−40 12−14
medium / 1080p 21−24 5−6
The average gaming FPS of Radeon HD 7970M in Assassin's Creed Odyssey is 271% more, than Radeon R7 Carrizo.

Full Specs

  Radeon HD 7970M Radeon R7 Carrizo
Architecture GCN GCN 1.2/2.0
Code name Wimbledon XT Carrizo
Type Laptop Laptop
Release date 1 May 2012 4 June 2015
Pipelines 1280 512
Core clock speed 850 MHz
Boost Clock 800 MHz
Transistor count 2,800 million 2410 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 68.00
Floating-point performance 2,176 gflops
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 4800 MHz
Memory bandwidth 153.6 GB/s
Shared memory - +
DirectX 12 (11_1) DirectX 12 (FL 12_0)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bitcoin / BTC (SHA256) 254 Mh/s
Laptop size large medium sized
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