GeForce GTX 860M vs Radeon Instinct MI25 MxGPU

In this comparison between GeForce GTX 860M 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 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 is a Laptop Graphics Card

Note: GeForce GTX 860M 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 here:

Main Specs

  GeForce GTX 860M Radeon Instinct MI25 MxGPU
Power consumption (TDP) 75 Watt 300 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 4 GB 16 GB
Display Connectors No outputs No outputs
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  • Radeon Instinct MI25 MxGPU has 300% more power consumption, than GeForce GTX 860M.
  • GeForce GTX 860M is connected by MXM-B (3.0), and Radeon Instinct MI25 MxGPU uses PCIe 3.0 x16 interface.
  • Radeon Instinct MI25 MxGPU has 12 GB more memory, than GeForce GTX 860M.
  • GeForce GTX 860M is used in Laptops, and Radeon Instinct MI25 MxGPU - in Desktops.
  • GeForce GTX 860M is build with Maxwell architecture, and Radeon Instinct MI25 MxGPU - with GCN 5.0.
  • Core clock speed of Radeon Instinct MI25 MxGPU is 603 MHz higher, than GeForce GTX 860M.
  • GeForce GTX 860M is manufactured by 28 nm process technology, and Radeon Instinct MI25 MxGPU - by 14 nm process technology.

Game benchmarks

high / 1080p 16−18 50−55
ultra / 1080p 10−11 35−40
QHD / 1440p 5−6 27−30
4K / 2160p 4−5 16−18
low / 720p 30−35 80−85
medium / 1080p 21−24 60−65
The average gaming FPS of Radeon Instinct MI25 MxGPU in Assassin's Creed Odyssey is 206% more, than GeForce GTX 860M.

Full Specs

  GeForce GTX 860M Radeon Instinct MI25 MxGPU
Architecture Maxwell GCN 5.0
Code name N15P-GX Vega 10
Type Laptop Desktop
Release date 12 March 2014 27 June 2017
Pipelines 640 4096
Core clock speed 797 MHz 1400 MHz
Boost Clock 915 MHz 1500 MHz
Transistor count 1,870 million 12,500 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 43.40 384.0
Floating-point performance 1,389 gflops
Length 267 mm
Memory bus width 128 Bit 2048 Bit
Memory clock speed 1704 MHz
Memory bandwidth 80.0 GB/s 436.2 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.1.126 1.1.125
CUDA +
CUDA cores 1152 or 640
Bus support PCI Express 2.0, PCI Express 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 163 Mh/s
Laptop size medium sized
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
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