GeForce GTX 860M SLI vs Mobility Radeon HD 4870 X2

In this comparison between GeForce GTX 860M SLI and Mobility Radeon HD 4870 X2 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 Mobility Radeon HD 4870 X2 will be their preference. Study the comparison tables below and make your choice.

GeForce GTX 860M SLI and Mobility Radeon HD 4870 X2 are Laptop Graphics Cards

Note: GeForce GTX 860M SLI and Mobility Radeon HD 4870 X2 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 GeForce GTX 860M SLI or Mobility Radeon HD 4870 X2 here:

Main Specs

  GeForce GTX 860M SLI Mobility Radeon HD 4870 X2
Power consumption (TDP) 120 Watt
Interface PCIe 2.0 x16
Memory type GDDR5 GDDR3, GDDR5
Maximum RAM amount 2x 4 GB 2 GB
Display Connectors No outputs
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  • GeForce GTX 860M SLI and Mobility Radeon HD 4870 X2 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GTX 860M SLI is build with Maxwell architecture, and Mobility Radeon HD 4870 X2 - with Terascale 1.
  • Core clock speed of GeForce GTX 860M SLI is 479 MHz higher, than Mobility Radeon HD 4870 X2.
  • GeForce GTX 860M SLI is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 X2 - by 55 nm process technology.
  • Memory clock speed of GeForce GTX 860M SLI is 4112 MHz higher, than Mobility Radeon HD 4870 X2.

Game benchmarks

high / 1080p 21−24 9−10
ultra / 1080p 14−16 5−6
QHD / 1440p 8−9 0−1
4K / 2160p 5−6
low / 720p 40−45 21−24
medium / 1080p 27−30 12−14
The average gaming FPS of GeForce GTX 860M SLI in Assassin's Creed Odyssey is 125% more, than Mobility Radeon HD 4870 X2.

Full Specs

  GeForce GTX 860M SLI Mobility Radeon HD 4870 X2
Architecture Maxwell Terascale 1
Code name M98-XT
Type Laptop Laptop
Release date 12 March 2014 9 January 2009
Pipelines 1280 1600
Core clock speed 1029 MHz 550 MHz
Transistor count 2x 1870 Million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 22.00
Floating-point performance 2x 880.0 gflops
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 5000 MHz 888 MHz
Memory bandwidth 89.6 GB/s
Shared memory - -
DirectX DirectX 12 (FL 11_0), Shader 5.0 10.1 (10_1)
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
CUDA +
SLI options +
Laptop size large large
Optimus +
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