GeForce GTX 680M vs Radeon Pro 555

If you are going to buy a new graphics card and are choosing between GeForce GTX 680M and Radeon Pro 555, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 680M stacks up against Radeon Pro 555, check out specs charts below.

GeForce GTX 680M and Radeon Pro 555 are Laptop Graphics Cards

Note: GeForce GTX 680M and Radeon Pro 555 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 680M or Radeon Pro 555 here:

Main Specs

  GeForce GTX 680M Radeon Pro 555
Power consumption (TDP) 100 Watt 75 Watt
Interface MXM-B (3.0) PCIe 3.0 x8
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 680M has 33% more power consumption, than Radeon Pro 555.
  • GeForce GTX 680M is connected by MXM-B (3.0), and Radeon Pro 555 uses PCIe 3.0 x8 interface.
  • GeForce GTX 680M has 2 GB more memory, than Radeon Pro 555.
  • GeForce GTX 680M is used in Laptops, and Radeon Pro 555 - in Mobile workstations.
  • GeForce GTX 680M is build with Kepler architecture, and Radeon Pro 555 - with Polaris.
  • Core clock speed of Radeon Pro 555 is 135 MHz higher, than GeForce GTX 680M.
  • GeForce GTX 680M is manufactured by 28 nm process technology, and Radeon Pro 555 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555 is 3280 MHz higher, than GeForce GTX 680M.

Game benchmarks

high / 1080p 16−18 16−18
ultra / 1080p 9−10 9−10
QHD / 1440p 4−5 4−5
4K / 2160p 4−5 4−5
low / 720p 30−35 30−35
medium / 1080p 20−22 20−22
GeForce GTX 680M and Radeon Pro 555 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GeForce GTX 680M Radeon Pro 555
Architecture Kepler Polaris
Code name N13E-GTX Polaris 21
Type Laptop Mobile workstation
Release date 4 June 2012 5 June 2017
Pipelines 1344 768
Core clock speed 720 MHz 855 MHz
Boost Clock 758 MHz
Transistor count 3,540 million 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 80.6 billion/sec 40.80
Floating-point performance 2,038 gflops 1,306 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1800 MHz 5080 MHz
Memory bandwidth 115.2 GB/s 81.6 GB/s
Shared memory - -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.1.126 1.2.131
CUDA +
FreeSync +
CUDA cores 1344
Bus support PCI Express 3.0
SLI options +
Bitcoin / BTC (SHA256) 100 Mh/s
Laptop size large large
Optimus +
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