GeForce GTX 880M vs Radeon R9 M390

When choosing between GeForce GTX 880M 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 880M and Radeon R9 M390.

GeForce GTX 880M and Radeon R9 M390 are Laptop Graphics Cards

Note: GeForce GTX 880M 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 880M or Radeon R9 M390 here:

Main Specs

  GeForce GTX 880M Radeon R9 M390
Power consumption (TDP) 122 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 8 GB 2 GB
Display Connectors No outputs
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  • GeForce GTX 880M has 6 GB more memory, than Radeon R9 M390.
  • Both cards are used in Laptops.
  • GeForce GTX 880M is build with Kepler architecture, and Radeon R9 M390 - with GCN.
  • GeForce GTX 880M and Radeon R9 M390 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 20−22 18−20
ultra / 1080p 12−14 10−11
QHD / 1440p 6−7 5−6
4K / 2160p 5−6 4−5
low / 720p 40−45 35−40
medium / 1080p 24−27 21−24
The average gaming FPS of GeForce GTX 880M in Assassin's Creed Odyssey is 18% more, than Radeon R9 M390.

Full Specs

  GeForce GTX 880M Radeon R9 M390
Architecture Kepler GCN
Code name N15E-GX-A2 Pitcairn
Type Laptop Laptop
Release date 12 March 2014 9 June 2015
Pipelines 1536 1024
Core clock speed 954 MHz
Boost Clock 993 MHz
Transistor count 3,540 million 5000 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 127.1
Floating-point performance 3,050 gflops
Memory bus width 256 Bit 256 Bit
Memory bandwidth 160.0 GB/s
Shared memory - -
DirectX 12 (11_0)
Shader Model 5.1
OpenGL 4.5 4.4
OpenCL 1.1 Not Listed
Vulkan 1.1.126
CUDA +
FreeSync +
CUDA cores 1536
Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 96 Mh/s 242 Mh/s
Laptop size large large
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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