GeForce GTX 680M SLI vs Radeon R9 M390

When choosing between GeForce GTX 680M SLI and Radeon R9 M390, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 680M SLI and Radeon R9 M390.

GeForce GTX 680M SLI and Radeon R9 M390 are Laptop Graphics Cards

Note: GeForce GTX 680M SLI and Radeon R9 M390 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 SLI or Radeon R9 M390 here:

Main Specs

  GeForce GTX 680M SLI Radeon R9 M390
Memory type GDDR5 GDDR5
Maximum RAM amount 2x 4 GB 2 GB
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  • GeForce GTX 680M SLI and Radeon R9 M390 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GTX 680M SLI is build with Kepler architecture, and Radeon R9 M390 - with GCN.
  • GeForce GTX 680M SLI and Radeon R9 M390 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 35−40 18−20
ultra / 1080p 21−24 10−11
QHD / 1440p 16−18 5−6
4K / 2160p 10−11 4−5
low / 720p 60−65 35−40
medium / 1080p 40−45 21−24
The average gaming FPS of GeForce GTX 680M SLI in Assassin's Creed Odyssey is 100% more, than Radeon R9 M390.

Full Specs

  GeForce GTX 680M SLI Radeon R9 M390
Architecture Kepler GCN
Code name N13E-GTX Pitcairn
Type Laptop Laptop
Release date 4 June 2012 9 June 2015
Pipelines 2688 1024
Core clock speed 720 MHz
Transistor count 5000 Million
Manufacturing process technology 28 nm 28 nm
Memory bus width 2x 256 Bit 256 Bit
Memory clock speed 3600 MHz
Shared memory - -
DirectX DirectX 11, Shader 5.0
OpenGL 4.4
OpenCL Not Listed
CUDA +
FreeSync +
Bus support PCIe 3.0
SLI options +
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size large large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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