GeForce GTX 770M SLI vs Radeon R9 M390

If you are going to buy a new graphics card and are choosing between GeForce GTX 770M SLI and Radeon R9 M390, 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 770M SLI stacks up against Radeon R9 M390, check out specs charts below.

GeForce GTX 770M SLI and Radeon R9 M390 are Laptop Graphics Cards

Note: GeForce GTX 770M 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 770M SLI or Radeon R9 M390 here:

Main Specs

  GeForce GTX 770M SLI Radeon R9 M390
Power consumption (TDP) 150 Watt
Memory type GDDR5 GDDR5
Maximum RAM amount 2x 3 GB 2 GB
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  • GeForce GTX 770M SLI and Radeon R9 M390 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GTX 770M SLI is build with Kepler architecture, and Radeon R9 M390 - with GCN.
  • GeForce GTX 770M SLI and Radeon R9 M390 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 24−27 18−20
ultra / 1080p 14−16 10−11
QHD / 1440p 10−11 5−6
4K / 2160p 6−7 4−5
low / 720p 45−50 35−40
medium / 1080p 30−35 21−24
The average gaming FPS of GeForce GTX 770M SLI in Assassin's Creed Odyssey is 37% more, than Radeon R9 M390.

Full Specs

  GeForce GTX 770M SLI Radeon R9 M390
Architecture Kepler GCN
Code name Pitcairn
Type Laptop Laptop
Release date 30 May 2013 9 June 2015
Pipelines 1920 1024
Core clock speed 811 MHz
Transistor count 2x 2540 Million 5000 Million
Manufacturing process technology 28 nm 28 nm
Memory bus width 2x 192 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
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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