GeForce GTX 580M vs GeForce GTX 850M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 580M and GeForce GTX 850M. 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 GeForce GTX 850M. 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 GeForce GTX 850M are Laptop Graphics Cards

Note: GeForce GTX 580M and GeForce GTX 850M 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 GeForce GTX 850M here:

Main Specs

  GeForce GTX 580M GeForce GTX 850M
Power consumption (TDP) 100 Watt 45 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 DDR3, GDDR5
Maximum RAM amount 2 MB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 580M has 122% more power consumption, than GeForce GTX 850M.
  • GeForce GTX 580M is connected by MXM-B (3.0), and GeForce GTX 850M uses PCIe 3.0 x16 interface.
  • GeForce GTX 850M has 2 GB more memory, than GeForce GTX 580M.
  • Both cards are used in Laptops.
  • GeForce GTX 580M is build with Fermi architecture, and GeForce GTX 850M - with Maxwell.
  • GeForce GTX 580M is manufactured by 40 nm process technology, and GeForce GTX 850M - by 28 nm process technology.

Game benchmarks

high / 1080p 10−12 12−14
ultra / 1080p 6−7 8−9
QHD / 1440p 1−2 2−3
low / 720p 24−27 27−30
medium / 1080p 14−16 16−18
The average gaming FPS of GeForce GTX 850M in Assassin's Creed Odyssey is 18% more, than GeForce GTX 580M.

Full Specs

  GeForce GTX 580M GeForce GTX 850M
Architecture Fermi Maxwell
Code name N12E-GTX2 N15P-GT
Type Laptop Laptop
Release date 28 June 2011 12 March 2014
Pipelines 384 640
Core clock speed 620 MHz
Transistor count 1,950 million 1,870 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 39.7 billion/sec 36.08
Floating-point performance 952.3 gflops 1,155 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1500 MHz
Memory bandwidth 96.0 GB/s 80.0 GB/s
Shared memory - -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.5
OpenCL 1.1 1.1
Vulkan N/A 1.1.126
CUDA + +
CUDA cores 384 640
Bus support PCI-E 2.0 PCI Express 2.0, PCI Express 3.0
SLI options + +
HDMI +
3D Blu-Ray +
3D Gaming +
Bitcoin / BTC (SHA256) 40 Mh/s 153 Mh/s
Laptop size large medium sized
Standard memory configuration DDR3 or 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 + +
Ethereum / ETH (DaggerHashimoto) 1.8 Mh/s
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