GeForce GTX 675MX vs Radeon HD 7970

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 675MX and Radeon HD 7970. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 675MX and Radeon HD 7970. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce GTX 675MX is a Laptop Graphics Card

Note: GeForce GTX 675MX 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 GeForce GTX 675MX here:

Main Specs

  GeForce GTX 675MX Radeon HD 7970
Power consumption (TDP) 100 Watt 300 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 3 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7970 has 200% more power consumption, than GeForce GTX 675MX.
  • GeForce GTX 675MX is connected by MXM-B (3.0), and Radeon HD 7970 uses PCIe 3.0 x16 interface.
  • Radeon HD 7970 has 1 GB more memory, than GeForce GTX 675MX.
  • GeForce GTX 675MX is used in Laptops, and Radeon HD 7970 - in Desktops.
  • GeForce GTX 675MX is build with Kepler architecture, and Radeon HD 7970 - with GCN.
  • GeForce GTX 675MX and Radeon HD 7970 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 675MX is 425 MHz higher, than Radeon HD 7970.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 21−24 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 241% more, than GeForce GTX 675MX.

Full Specs

  GeForce GTX 675MX Radeon HD 7970
Architecture Kepler GCN
Code name N13E-GSR Tahiti XT
Type Laptop Desktop
Release date 1 October 2012 22 December 2011
Pipelines 960 2048
Core clock speed 600 MHz
Boost Clock 925 MHz
Transistor count 3,540 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 48.0 billion/sec 118.4
Floating-point performance 1,256 gflops 3,789 gflops
Length 274 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 1800 MHz 1375 MHz
Memory bandwidth 115.2 GB/s 264 GB/s
Shared memory - -
DirectX 12 API
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126
CUDA +
FreeSync +
CUDA cores 960
Bus support PCI Express 2.0 PCIe 2.1 x16
SLI options +
HDMI + +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 63 Mh/s 485 Mh/s
Laptop size large
Optimus +
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
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