GeForce GTX 680MX vs Radeon Pro 555X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680MX and Radeon Pro 555X. 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 680MX and Radeon Pro 555X. 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 680MX and Radeon Pro 555X are Laptop Graphics Cards

Note: GeForce GTX 680MX and Radeon Pro 555X are only used in laptop graphics. They have 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 or Radeon Pro 555X here:

Main Specs

  GeForce GTX 680MX Radeon Pro 555X
Power consumption (TDP) 122 Watt 75 Watt
Interface PCIe 3.0 x8
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 680MX has 62% more power consumption, than Radeon Pro 555X.
  • GeForce GTX 680MX and Radeon Pro 555X have maximum RAM of 2 GB.
  • GeForce GTX 680MX is used in Laptops, and Radeon Pro 555X - in Mobile workstations.
  • GeForce GTX 680MX is build with Kepler architecture, and Radeon Pro 555X - with Polaris.
  • Core clock speed of Radeon Pro 555X is 135 MHz higher, than GeForce GTX 680MX.
  • GeForce GTX 680MX is manufactured by 28 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 2580 MHz higher, than GeForce GTX 680MX.

Game benchmarks

high / 1080p 21−24 16−18
ultra / 1080p 12−14 10−11
QHD / 1440p 7−8 4−5
4K / 2160p 5−6 4−5
low / 720p 40−45 30−35
medium / 1080p 27−30 21−24
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 26% more, than Radeon Pro 555X.

Full Specs

  GeForce GTX 680MX Radeon Pro 555X
Architecture Kepler Polaris
Code name Polaris 21
Type Laptop Mobile workstation
Release date 23 October 2012 5 June 2017
Pipelines 1536 768
Core clock speed 720 MHz 855 MHz
Transistor count 3540 Million 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 92.2 billion/sec 43.54
Memory bus width 256 Bit 128 Bit
Memory clock speed 2500 MHz 5080 MHz
Memory bandwidth 160 GB/s 81.6 GB/s
Shared memory - -
DirectX 12 API 12 (12_0)
Shader Model 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.2.131
CUDA +
FreeSync +
CUDA cores 1536
Bus support PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s
Laptop size large large
Optimus +
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