GeForce GTX 580M SLI vs Radeon HD 6850

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 580M 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 580M 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 580M SLI is a Laptop Graphics Card

Note: GeForce GTX 580M 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 580M SLI here:

Main Specs

  GeForce GTX 580M SLI Radeon HD 6850
Power consumption (TDP) 100 Watt 127 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6850 has 27% more power consumption, than GeForce GTX 580M SLI.
  • GeForce GTX 580M SLI is used in Laptops, and Radeon HD 6850 - in Desktops.
  • GeForce GTX 580M SLI is build with Fermi architecture, and Radeon HD 6850 - with TeraScale 2.
  • GeForce GTX 580M SLI and Radeon HD 6850 are manufactured by 40 nm process technology.

Game benchmarks

high / 1080p 24−27 9−10
ultra / 1080p 14−16 5−6
QHD / 1440p 10−11 0−1
4K / 2160p 6−7
low / 720p 45−50 21−24
medium / 1080p 30−35 12−14
The average gaming FPS of GeForce GTX 580M SLI in Assassin's Creed Odyssey is 150% more, than Radeon HD 6850.

Full Specs

  GeForce GTX 580M SLI Radeon HD 6850
Architecture Fermi TeraScale 2
Code name N12E-GTX2 Barts
Type Laptop Desktop
Release date 6 January 2011 21 October 2010
Pipelines 768 960
Core clock speed 620 MHz
Transistor count 1,700 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 37.20
Floating-point performance 1,488.0 gflops
Length 198 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1500 MHz
Memory bandwidth 128.0 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Bus support AGP
Bitcoin / BTC (SHA256) 139 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
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