Radeon Pro Duo vs Radeon R9 M390X

When choosing between Radeon Pro Duo and Radeon R9 M390X, 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 Radeon Pro Duo and Radeon R9 M390X.

Radeon R9 M390X is a Laptop Graphics Card

Note: Radeon R9 M390X is only used in laptop graphics. It has 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 M390X here:

Main Specs

  Radeon Pro Duo Radeon R9 M390X
Power consumption (TDP) 350 Watt 100 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 3x 8-pin None
Memory type High Bandwidth Memory (HBM) GDDR5
Maximum RAM amount 8 GB 4 GB
Display Connectors 1x HDMI, 3x DisplayPort No outputs
  Check Price Check Price
  • Radeon Pro Duo has 250% more power consumption, than Radeon R9 M390X.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon Pro Duo has 4 GB more memory, than Radeon R9 M390X.
  • Radeon Pro Duo is used in Desktops, and Radeon R9 M390X - in Laptops.
  • Radeon Pro Duo is build with GCN 3.0 architecture, and Radeon R9 M390X - with GCN 3.
  • Radeon Pro Duo and Radeon R9 M390X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 50−55 21−24
ultra / 1080p 30−35 12−14
QHD / 1440p 27−30 8−9
4K / 2160p 14−16 5−6
low / 720p 75−80 40−45
medium / 1080p 60−65 27−30
The average gaming FPS of Radeon Pro Duo in Assassin's Creed Odyssey is 120% more, than Radeon R9 M390X.

Full Specs

  Radeon Pro Duo Radeon R9 M390X
Architecture GCN 3.0 GCN 3
Code name Capsaicin Amethyst (XT) / Tonga
Type Workstation Laptop
Release date 26 April 2016 9 June 2015
Pipelines 4096 2048
Core clock speed 723 MHz
Boost Clock 1000 MHz
Transistor count 8,900 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 256.0 92.54
Floating-point performance 2x 8,192 gflops 2,961 gflops
Length 277 mm
Memory bus width 4096 Bit 256 Bit
Memory clock speed 500 MHz
Memory bandwidth 512 GB/s 160.0 GB/s
Shared memory -
Shader Model 6.0 6.3
OpenGL 4.5 4.4
OpenCL 2.0 Not Listed
Vulkan + +
FreeSync + +
Bus support PCIe 3.0 PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 809 Mh/s
Laptop size large
Eyefinity + +
HD3D + +
PowerTune + +
DualGraphics +
TrueAudio +
ZeroCore + +
Switchable graphics +
Mantle + +
Design reference
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
Compute units 128
AppAcceleration +
LiquidVR +
TressFX +
UVD +
Enduro +
FRTC +
  Check Price Check Price