Radeon R9 M390X vs Tesla M6

When comparing Radeon R9 M390X and Tesla M6, 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 M390X and Tesla M6 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

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 R9 M390X Tesla M6
Power consumption (TDP) 100 Watt 100 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 8 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 100 Watt.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Tesla M6 has 4 GB more memory, than Radeon R9 M390X.
  • Radeon R9 M390X is used in Laptops, and Tesla M6 - in Desktops.
  • Radeon R9 M390X is build with GCN 3 architecture, and Tesla M6 - with Maxwell 2.0.
  • Core clock speed of Tesla M6 is 207 MHz higher, than Radeon R9 M390X.
  • Radeon R9 M390X and Tesla M6 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 21−24 35−40
ultra / 1080p 12−14 24−27
QHD / 1440p 8−9 20−22
4K / 2160p 5−6 10−12
low / 720p 40−45 65−70
medium / 1080p 27−30 45−50
The average gaming FPS of Tesla M6 in Assassin's Creed Odyssey is 75% more, than Radeon R9 M390X.

Full Specs

  Radeon R9 M390X Tesla M6
Architecture GCN 3 Maxwell 2.0
Code name Amethyst (XT) / Tonga GM204
Type Laptop Workstation
Release date 9 June 2015 30 August 2015
Pipelines 2048 1536
Core clock speed 723 MHz 930 MHz
Boost Clock 1180 MHz
Transistor count 5,000 million 5,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 92.54 113.3
Floating-point performance 2,961 gflops 3,625 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 5012 MHz
Memory bandwidth 160.0 GB/s 160.4 GB/s
Shared memory -
DirectX 12 (12_1)
Shader Model 6.3 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 1.2
Vulkan + 1.1.126
CUDA 5.2
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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