GeForce GTX 675MX vs Radeon HD 7770

In this comparison between GeForce GTX 675MX and Radeon HD 7770 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GTX 675MX will be the best choice, for others Radeon HD 7770 will be their preference. Study the comparison tables below and make your choice.

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 7770
Power consumption (TDP) 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 675MX and Radeon HD 7770 have maximum RAM of 2 GB.
  • GeForce GTX 675MX is used in Laptops, and Radeon HD 7770 - in Desktops.
  • GeForce GTX 675MX is build with Kepler architecture, and Radeon HD 7770 - with GCN.
  • Core clock speed of Radeon HD 7770 is 400 MHz higher, than GeForce GTX 675MX.
  • GeForce GTX 675MX and Radeon HD 7770 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770 is 2700 MHz higher, than GeForce GTX 675MX.

Game benchmarks

high / 1080p 9−10 10−11
ultra / 1080p 5−6 6−7
QHD / 1440p 0−1 1−2
low / 720p 21−24 24−27
medium / 1080p 12−14 12−14
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 8% more, than GeForce GTX 675MX.

Full Specs

  GeForce GTX 675MX Radeon HD 7770
Architecture Kepler GCN
Code name N13E-GSR Cape Verde
Type Laptop Desktop
Release date 1 October 2012 15 February 2012
Pipelines 960 640
Core clock speed 600 MHz 1000 MHz
Transistor count 3,540 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 48.0 billion/sec
Floating-point performance 1,256 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1800 MHz 4500 MHz
Memory bandwidth 115.2 GB/s
Shared memory - -
DirectX 12 API DirectX 11.1, Shader 5.1
Shader Model 5.1
OpenGL 4.5
OpenCL 1.1
Vulkan 1.1.126
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 156 Mh/s
Laptop size large
Optimus +
Eyefinity +
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