Radeon R9 390X vs Radeon R9 M380

When choosing between Radeon R9 390X and Radeon R9 M380, 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 R9 390X and Radeon R9 M380.

Radeon R9 M380 is a Laptop Graphics Card

Note: Radeon R9 M380 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 M380 here:

Main Specs

  Radeon R9 390X Radeon R9 M380
Power consumption (TDP) 275 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin, 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 390X is used in Desktops, and Radeon R9 M380 - in Laptops.
  • Radeon R9 390X and Radeon R9 M380 are build with GCN architecture.
  • Radeon R9 390X and Radeon R9 M380 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M380 is 450 MHz higher, than Radeon R9 390X.

Game benchmarks

high / 1080p 50−55 16−18
ultra / 1080p 30−35 9−10
QHD / 1440p 24−27 4−5
4K / 2160p 14−16 4−5
low / 720p 75−80 30−35
medium / 1080p 55−60 20−22
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 207% more, than Radeon R9 M380.

Full Specs

  Radeon R9 390X Radeon R9 M380
Architecture GCN GCN
Code name Grenada XT Strato Pro GDDR5
Type Desktop Laptop
Release date 16 June 2015 16 June 2015
Pipelines 2816 768
Core clock speed 1000 MHz
Boost Clock 1050 MHz 1000 MHz
Transistor count 6,200 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 184.8 48.00
Floating-point performance 5,914 gflops 1,536 gflops
Length 275 mm
Memory bus width 512 Bit 128 Bit
Memory clock speed 1050 MHz 1500 MHz
Memory bandwidth 384 GB/s 96 GB/s
Shared memory - -
Shader Model 6.3 6.3
OpenGL 4.6 4.4
OpenCL 2.0 Not Listed
Vulkan +
FreeSync + +
Bus support PCIe 3.0 PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 684 Mh/s 194 Mh/s
Laptop size medium sized
Eyefinity + +
HD3D +
PowerTune + +
DualGraphics +
TrueAudio + +
ZeroCore +
Switchable graphics +
Mantle + +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 27.5 Mh/s
High bandwidth memory (HBM) -
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