GeForce GTX 675M vs Radeon HD 7970

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 675M 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 675M 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 675M is a Laptop Graphics Card

Note: GeForce GTX 675M 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 675M here:

Main Specs

  GeForce GTX 675M Radeon HD 7970
Power consumption (TDP) 100 Watt 300 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors 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 675M.
  • GeForce GTX 675M 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 675M.
  • GeForce GTX 675M is used in Laptops, and Radeon HD 7970 - in Desktops.
  • GeForce GTX 675M is build with Fermi architecture, and Radeon HD 7970 - with GCN.
  • GeForce GTX 675M is manufactured by 40 nm process technology, and Radeon HD 7970 - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 675M is 125 MHz higher, than Radeon HD 7970.

Game benchmarks

high / 1080p 10−11 35−40
ultra / 1080p 6−7 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 215% more, than GeForce GTX 675M.

Full Specs

  GeForce GTX 675M Radeon HD 7970
Architecture Fermi GCN
Code name N13E-GS1 Tahiti XT
Type Laptop Desktop
Release date 22 March 2012 22 December 2011
Pipelines 384 2048
Core clock speed 620 MHz
Boost Clock 925 MHz
Transistor count 1,950 million 4,313 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 39.7 billion/sec 118.4
Floating-point performance 952.3 gflops 3,789 gflops
Length 274 mm
Memory bus width 256bit 384 Bit
Memory clock speed 1500 MHz 1375 MHz
Memory bandwidth 96.0 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 N/A
CUDA +
FreeSync +
CUDA cores 384
Bus support PCI Express 2.0 PCIe 2.1 x16
SLI options +
HDMI + +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 59 Mh/s 485 Mh/s
Laptop size large
Optimus +
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
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