GeForce GTX 860M SLI vs Radeon Instinct MI25 MxGPU

In this comparison between GeForce GTX 860M SLI and Radeon Instinct MI25 MxGPU 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 GeForce GTX 860M SLI will be the best choice, for others Radeon Instinct MI25 MxGPU will be their preference. Study the comparison tables below and make your choice.
Radeon Instinct MI25 MxGPU

GeForce GTX 860M SLI is a Laptop Graphics Card

Note: GeForce GTX 860M SLI 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 GeForce GTX 860M SLI here:

Main Specs

  GeForce GTX 860M SLI Radeon Instinct MI25 MxGPU
Power consumption (TDP) 120 Watt 300 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 2x 4 GB 16 GB
Display Connectors No outputs
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  • Radeon Instinct MI25 MxGPU has 150% more power consumption, than GeForce GTX 860M SLI.
  • Radeon Instinct MI25 MxGPU has 14 GB more memory, than GeForce GTX 860M SLI.
  • GeForce GTX 860M SLI is used in Laptops, and Radeon Instinct MI25 MxGPU - in Desktops.
  • GeForce GTX 860M SLI is build with Maxwell architecture, and Radeon Instinct MI25 MxGPU - with GCN 5.0.
  • Core clock speed of Radeon Instinct MI25 MxGPU is 371 MHz higher, than GeForce GTX 860M SLI.
  • GeForce GTX 860M SLI is manufactured by 28 nm process technology, and Radeon Instinct MI25 MxGPU - by 14 nm process technology.
  • Memory clock speed of GeForce GTX 860M SLI is 3296 MHz higher, than Radeon Instinct MI25 MxGPU.

Game benchmarks

high / 1080p 21−24 50−55
ultra / 1080p 14−16 35−40
QHD / 1440p 8−9 27−30
4K / 2160p 5−6 16−18
low / 720p 40−45 80−85
medium / 1080p 27−30 60−65
The average gaming FPS of Radeon Instinct MI25 MxGPU in Assassin's Creed Odyssey is 130% more, than GeForce GTX 860M SLI.

Full Specs

  GeForce GTX 860M SLI Radeon Instinct MI25 MxGPU
Architecture Maxwell GCN 5.0
Code name Vega 10
Type Laptop Desktop
Release date 12 March 2014 27 June 2017
Pipelines 1280 4096
Core clock speed 1029 MHz 1400 MHz
Boost Clock 1500 MHz
Transistor count 2x 1870 Million 12,500 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 384.0
Length 267 mm
Memory bus width 2x 128 Bit 2048 Bit
Memory clock speed 5000 MHz 1704 MHz
Memory bandwidth 436.2 GB/s
Shared memory -
DirectX DirectX 12 (FL 11_0), Shader 5.0 12 (12_1)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.0
Vulkan 1.1.125
CUDA +
SLI options +
Laptop size large
Optimus +
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