P106 100 vs Radeon R9 M390

Find out if it is worth upgrading your current GPU setup by comparing P106 100 and Radeon R9 M390. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between P106 100 and Radeon R9 M390. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon R9 M390 is a Laptop Graphics Card

Note: Radeon R9 M390 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 M390 here:

Main Specs

  P106 100 Radeon R9 M390
Power consumption (TDP) 120 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 6 GB 2 GB
Display Connectors No outputs
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  • P106 100 has 4 GB more memory, than Radeon R9 M390.
  • P106 100 is used in Desktops, and Radeon R9 M390 - in Laptops.
  • P106 100 is build with Pascal architecture, and Radeon R9 M390 - with GCN.
  • P106 100 is manufactured by 16 nm process technology, and Radeon R9 M390 - by 28 nm process technology.

Game benchmarks

high / 1080p 35−40 18−20
ultra / 1080p 21−24 10−11
QHD / 1440p 16−18 5−6
4K / 2160p 10−11 4−5
low / 720p 60−65 35−40
medium / 1080p 40−45 21−24
The average gaming FPS of P106 100 in Assassin's Creed Odyssey is 100% more, than Radeon R9 M390.

Full Specs

  P106 100 Radeon R9 M390
Architecture Pascal GCN
Code name GP106 Pitcairn
Type Desktop Laptop
Release date 19 June 2017 9 June 2015
Pipelines 1280 1024
Core clock speed 1506 MHz
Boost Clock 1709 MHz
Transistor count 4,400 million 5000 Million
Manufacturing process technology 16 nm 28 nm
Texture fill rate 136.7
Floating-point performance 4,375 gflops
Length 250 mm
Memory bus width 192 Bit 256 Bit
Memory clock speed 8008 MHz
Memory bandwidth 192.2 GB/s
Shared memory -
DirectX 12 (12_1)
Shader Model 6.4
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.2.131
CUDA 6.1
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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