GeForce GTX 680M vs Radeon Pro 555X

When comparing GeForce GTX 680M and Radeon Pro 555X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 680M and Radeon Pro 555X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

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

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

Main Specs

  GeForce GTX 680M Radeon Pro 555X
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 555X.
  • GeForce GTX 680M is connected by MXM-B (3.0), and Radeon Pro 555X uses PCIe 3.0 x8 interface.
  • GeForce GTX 680M has 2 GB more memory, than Radeon Pro 555X.
  • GeForce GTX 680M is used in Laptops, and Radeon Pro 555X - in Mobile workstations.
  • GeForce GTX 680M 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 680M.
  • GeForce GTX 680M is manufactured by 28 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 3280 MHz higher, than GeForce GTX 680M.

Game benchmarks

high / 1080p 16−18 16−18
ultra / 1080p 9−10 10−11
QHD / 1440p 4−5 4−5
4K / 2160p 4−5 4−5
low / 720p 30−35 30−35
medium / 1080p 20−22 21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 7% more, than GeForce GTX 680M.

Full Specs

  GeForce GTX 680M Radeon Pro 555X
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 43.54
Floating-point performance 2,038 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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