GeForce GTX 860M SLI vs Radeon HD 6850

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 860M SLI and Radeon HD 6850. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 860M SLI and Radeon HD 6850. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

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 HD 6850
Power consumption (TDP) 120 Watt 127 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2x 4 GB 1 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6850 has 5% more power consumption, than GeForce GTX 860M SLI.
  • GeForce GTX 860M SLI has 1 GB more memory, than Radeon HD 6850.
  • GeForce GTX 860M SLI is used in Laptops, and Radeon HD 6850 - in Desktops.
  • GeForce GTX 860M SLI is build with Maxwell architecture, and Radeon HD 6850 - with TeraScale 2.
  • GeForce GTX 860M SLI is manufactured by 28 nm process technology, and Radeon HD 6850 - by 40 nm process technology.

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 Radeon HD 6850.

Full Specs

  GeForce GTX 860M SLI Radeon HD 6850
Architecture Maxwell TeraScale 2
Code name Barts
Type Laptop Desktop
Release date 12 March 2014 21 October 2010
Pipelines 1280 960
Core clock speed 1029 MHz
Transistor count 2x 1870 Million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 37.20
Floating-point performance 1,488.0 gflops
Length 198 mm
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 5000 MHz
Memory bandwidth 128.0 GB/s
Shared memory -
DirectX DirectX 12 (FL 11_0), Shader 5.0
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
CUDA +
Bus support AGP
SLI options +
Bitcoin / BTC (SHA256) 139 Mh/s
Laptop size large
Optimus +
Eyefinity +
Design reference
CrossFire +
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