GeForce GTX 580M vs Radeon HD 6850M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 580M and Radeon HD 6850M. 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 and Radeon HD 6850M. 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 and Radeon HD 6850M are Laptop Graphics Cards

Note: GeForce GTX 580M and Radeon HD 6850M 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 580M or Radeon HD 6850M here:

Main Specs

  GeForce GTX 580M Radeon HD 6850M
Power consumption (TDP) 100 Watt 50 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 DDR3, GDDR5
Maximum RAM amount 2 MB 1 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 580M has 100% more power consumption, than Radeon HD 6850M.
  • GeForce GTX 580M is connected by MXM-B (3.0), and Radeon HD 6850M uses PCIe 2.0 x16 interface.
  • GeForce GTX 580M has 1 GB more memory, than Radeon HD 6850M.
  • Both cards are used in Laptops.
  • GeForce GTX 580M is build with Fermi architecture, and Radeon HD 6850M - with Terascale 2.
  • Core clock speed of GeForce GTX 580M is 45 MHz higher, than Radeon HD 6850M.
  • GeForce GTX 580M and Radeon HD 6850M are manufactured by 40 nm process technology.
  • Memory clock speed of GeForce GTX 580M is 700 MHz higher, than Radeon HD 6850M.

Game benchmarks

high / 1080p 10−12 2−3
ultra / 1080p 6−7 0−1
QHD / 1440p 1−2 0−1
low / 720p 24−27 12−14
medium / 1080p 14−16 3−4
The average gaming FPS of GeForce GTX 580M in Assassin's Creed Odyssey is 183% more, than Radeon HD 6850M.

Full Specs

  GeForce GTX 580M Radeon HD 6850M
Architecture Fermi Terascale 2
Code name N12E-GTX2 Granville Pro/LP
Type Laptop Laptop
Release date 28 June 2011 6 January 2011
Pipelines 384 800
Core clock speed 620 MHz 575 / 675 MHz
Transistor count 1,950 million 1,040 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 39.7 billion/sec 27.00
Floating-point performance 952.3 gflops 1,080.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1500 MHz 800 MHz
Memory bandwidth 96.0 GB/s 25.6 GB/s
Shared memory - -
DirectX 12 API 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
CUDA +
CUDA cores 384
Bus support PCI-E 2.0
SLI options +
3D Blu-Ray +
3D Gaming +
Bitcoin / BTC (SHA256) 40 Mh/s
Laptop size large large
Optimus +
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