Radeon R9 M390 vs Radeon RX 480 mobile

When comparing Radeon R9 M390 and Radeon RX 480 mobile, 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 Radeon R9 M390 and Radeon RX 480 mobile is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R9 M390 and Radeon RX 480 mobile are Laptop Graphics Cards

Note: Radeon R9 M390 and Radeon RX 480 mobile 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 Radeon R9 M390 or Radeon RX 480 mobile here:

Main Specs

  Radeon R9 M390 Radeon RX 480 mobile
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0)
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs
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  • Radeon RX 480 mobile has 6 GB more memory, than Radeon R9 M390.
  • Both cards are used in Laptops.
  • Radeon R9 M390 is build with GCN architecture, and Radeon RX 480 mobile - with Polaris.
  • Radeon R9 M390 is manufactured by 28 nm process technology, and Radeon RX 480 mobile - by 14 nm process technology.

Game benchmarks

high / 1080p 18−20 12−14
ultra / 1080p 10−11 7−8
QHD / 1440p 5−6 0−1
4K / 2160p 4−5
low / 720p 35−40 27−30
medium / 1080p 21−24 14−16
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 37% more, than Radeon RX 480 mobile.

Full Specs

  Radeon R9 M390 Radeon RX 480 mobile
Architecture GCN Polaris
Code name Pitcairn Polaris
Type Laptop Laptop
Release date 9 June 2015 1 August 2016
Pipelines 1024 2304
Boost Clock 1077 MHz
Transistor count 5000 Million 5,700 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 155.1
Floating-point performance 4,963 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 8000 MHz
Memory bandwidth 256.0 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.0
Vulkan 1.2.131
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size large large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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