Qualcomm Adreno 680 vs Radeon R9 M390X

In this comparison between Qualcomm Adreno 680 and Radeon R9 M390X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Qualcomm Adreno 680 will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.

Qualcomm Adreno 680 and Radeon R9 M390X are Laptop Graphics Cards

Note: Qualcomm Adreno 680 and Radeon R9 M390X 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 Qualcomm Adreno 680 or Radeon R9 M390X here:

Main Specs

  Qualcomm Adreno 680 Radeon R9 M390X
Power consumption (TDP) 100 Watt
Interface PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Qualcomm Adreno 680 is manufactured by 7 nm process technology, and Radeon R9 M390X - by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 12−14
QHD / 1440p 0−1 8−9
4K / 2160p 5−6
low / 720p 1−2 40−45
medium / 1080p 0−1 27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 4100% more, than Qualcomm Adreno 680.

Full Specs

  Qualcomm Adreno 680 Radeon R9 M390X
Architecture GCN 3
Code name Amethyst (XT) / Tonga
Type Laptop Laptop
Release date 6 December 2018 9 June 2015
Pipelines 2048
Core clock speed 723 MHz
Transistor count 5,000 million
Manufacturing process technology 7 nm 28 nm
Texture fill rate 92.54
Floating-point performance 2,961 gflops
Memory bus width 256 Bit
Memory bandwidth 160.0 GB/s
Shared memory + -
DirectX DirectX 12
Shader Model 6.3
OpenGL 4.4
OpenCL Not Listed
Vulkan +
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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