GeForce GTX 680MX vs Radeon HD 6770

In this comparison between GeForce GTX 680MX and Radeon HD 6770 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 680MX will be the best choice, for others Radeon HD 6770 will be their preference. Study the comparison tables below and make your choice.

GeForce GTX 680MX is a Laptop Graphics Card

Note: GeForce GTX 680MX 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 680MX here:

Main Specs

  GeForce GTX 680MX Radeon HD 6770
Power consumption (TDP) 122 Watt 108 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • GeForce GTX 680MX has 12% more power consumption, than Radeon HD 6770.
  • GeForce GTX 680MX has 1 GB more memory, than Radeon HD 6770.
  • GeForce GTX 680MX is used in Laptops, and Radeon HD 6770 - in Desktops.
  • GeForce GTX 680MX is build with Kepler architecture, and Radeon HD 6770 - with TeraScale 2.
  • GeForce GTX 680MX is manufactured by 28 nm process technology, and Radeon HD 6770 - by 40 nm process technology.
  • Memory clock speed of GeForce GTX 680MX is 1450 MHz higher, than Radeon HD 6770.

Game benchmarks

high / 1080p 21−24 3−4
ultra / 1080p 12−14 1−2
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 14−16
medium / 1080p 27−30 5−6
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 333% more, than Radeon HD 6770.

Full Specs

  GeForce GTX 680MX Radeon HD 6770
Architecture Kepler TeraScale 2
Code name Juniper
Type Laptop Desktop
Release date 23 October 2012 21 January 2011
Pipelines 1536 800
Core clock speed 720 MHz
Boost Clock 900 MHz
Transistor count 3540 Million 1,040 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 92.2 billion/sec 34.00
Floating-point performance 1,360.0 gflops
Length 198 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 2500 MHz 1050 MHz
Memory bandwidth 160 GB/s 76.8 GB/s
Shared memory -
DirectX 12 API
Shader Model 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
CUDA +
CUDA cores 1536
Bus support PCI Express 3.0 PCIe 2.0 x16
SLI options +
HDMI +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s 118 Mh/s
Laptop size large
Optimus +
Eyefinity +
Design reference
CrossFire +
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