GeForce GTX 675MX vs Radeon HD 7670A

When choosing between GeForce GTX 675MX and Radeon HD 7670A, 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 675MX and Radeon HD 7670A.

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 7670A
Power consumption (TDP) 100 Watt 45 Watt
Interface MXM-B (3.0) MXM-A (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 675MX has 122% more power consumption, than Radeon HD 7670A.
  • GeForce GTX 675MX is connected by MXM-B (3.0), and Radeon HD 7670A uses MXM-A (3.0) interface.
  • GeForce GTX 675MX has 1 GB more memory, than Radeon HD 7670A.
  • GeForce GTX 675MX is used in Laptops, and Radeon HD 7670A - in Desktops.
  • GeForce GTX 675MX is build with Kepler architecture, and Radeon HD 7670A - with TeraScale 2.
  • Both graphics cards have the same core clock speed.
  • GeForce GTX 675MX is manufactured by 28 nm process technology, and Radeon HD 7670A - by 40 nm process technology.
  • Memory clock speed of Radeon HD 7670A is 2200 MHz higher, than GeForce GTX 675MX.

Game benchmarks

high / 1080p 9−10 1−2
ultra / 1080p 5−6 0−1
QHD / 1440p 0−1 0−1
low / 720p 21−24 12−14
medium / 1080p 12−14 3−4
The average gaming FPS of GeForce GTX 675MX in Assassin's Creed Odyssey is 150% more, than Radeon HD 7670A.

Full Specs

  GeForce GTX 675MX Radeon HD 7670A
Architecture Kepler TeraScale 2
Code name N13E-GSR Turks
Type Laptop Desktop
Release date 1 October 2012 5 January 2012
Pipelines 960 480
Core clock speed 600 MHz 600 MHz
Transistor count 3,540 million 716 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 48.0 billion/sec 14.40
Floating-point performance 1,256 gflops 576.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1800 MHz 4000 MHz
Memory bandwidth 115.2 GB/s 64 GB/s
Shared memory -
DirectX 12 API 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan 1.1.126 N/A
CUDA +
CUDA cores 960
Bus support PCI Express 2.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 63 Mh/s
Laptop size large
Optimus +
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