GeForce GTX 680MX vs Radeon HD 7970M

When choosing between GeForce GTX 680MX and Radeon HD 7970M, 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 GTX 680MX and Radeon HD 7970M.

GeForce GTX 680MX and Radeon HD 7970M are Laptop Graphics Cards

Note: GeForce GTX 680MX and Radeon HD 7970M 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 GeForce GTX 680MX or Radeon HD 7970M here:

Main Specs

  GeForce GTX 680MX Radeon HD 7970M
Power consumption (TDP) 122 Watt 100 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs
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  • GeForce GTX 680MX has 22% more power consumption, than Radeon HD 7970M.
  • GeForce GTX 680MX and Radeon HD 7970M have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GTX 680MX is build with Kepler architecture, and Radeon HD 7970M - with GCN.
  • Core clock speed of Radeon HD 7970M is 130 MHz higher, than GeForce GTX 680MX.
  • GeForce GTX 680MX and Radeon HD 7970M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7970M is 2300 MHz higher, than GeForce GTX 680MX.

Game benchmarks

high / 1080p 21−24 18−20
ultra / 1080p 12−14 10−12
QHD / 1440p 7−8 5−6
4K / 2160p 5−6 4−5
low / 720p 40−45 35−40
medium / 1080p 27−30 21−24
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 18% more, than Radeon HD 7970M.

Full Specs

  GeForce GTX 680MX Radeon HD 7970M
Architecture Kepler GCN
Code name Wimbledon XT
Type Laptop Laptop
Release date 23 October 2012 1 May 2012
Pipelines 1536 1280
Core clock speed 720 MHz 850 MHz
Transistor count 3540 Million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 92.2 billion/sec 68.00
Floating-point performance 2,176 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 2500 MHz 4800 MHz
Memory bandwidth 160 GB/s 153.6 GB/s
Shared memory - -
DirectX 12 API 12 (11_1)
Shader Model 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.2.131
CUDA +
CUDA cores 1536
Bus support PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s 254 Mh/s
Laptop size large large
Optimus +
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