GeForce GT 650M SLI vs Radeon R9 M390

When choosing between GeForce GT 650M 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 GT 650M SLI and Radeon R9 M390.

GeForce GT 650M SLI and Radeon R9 M390 are Laptop Graphics Cards

Note: GeForce GT 650M 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 GT 650M SLI or Radeon R9 M390 here:

Main Specs

  GeForce GT 650M SLI Radeon R9 M390
Memory type GDDR5 GDDR5
Maximum RAM amount 2x2 GB 2 GB
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  • GeForce GT 650M SLI and Radeon R9 M390 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GT 650M SLI is build with Kepler architecture, and Radeon R9 M390 - with GCN.
  • GeForce GT 650M SLI and Radeon R9 M390 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 12−14 18−20
ultra / 1080p 7−8 10−11
QHD / 1440p 2−3 5−6
4K / 2160p 4−5
low / 720p 24−27 35−40
medium / 1080p 14−16 21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 58% more, than GeForce GT 650M SLI.

Full Specs

  GeForce GT 650M SLI Radeon R9 M390
Architecture Kepler GCN
Code name N13E-GE Pitcairn
Type Laptop Laptop
Release date 22 March 2012 9 June 2015
Pipelines 768 1024
Core clock speed 790 MHz
Boost Clock 835 MHz
Transistor count 5000 Million
Manufacturing process technology 28 nm 28 nm
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 4000 MHz
Shared memory - -
DirectX DirectX 11, Shader 5.0
OpenGL 4.4
OpenCL Not Listed
CUDA +
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size medium sized large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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