GeForce GTX 580M vs GeForce GTX 950A

When choosing between GeForce GTX 580M and GeForce GTX 950A, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 580M and GeForce GTX 950A.

GeForce GTX 580M is a Laptop Graphics Card

Note: GeForce GTX 580M 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 here:

Main Specs

  GeForce GTX 580M GeForce GTX 950A
Power consumption (TDP) 100 Watt 75 Watt
Interface MXM-B (3.0) MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5 DDR3
Maximum RAM amount 2 MB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 580M has 33% more power consumption, than GeForce GTX 950A.
  • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
  • GeForce GTX 580M and GeForce GTX 950A have maximum RAM of 2 GB.
  • GeForce GTX 580M is used in Laptops, and GeForce GTX 950A - in Desktops.
  • GeForce GTX 580M is build with Fermi architecture, and GeForce GTX 950A - with Maxwell.
  • Core clock speed of GeForce GTX 950A is 373 MHz higher, than GeForce GTX 580M.
  • GeForce GTX 580M is manufactured by 40 nm process technology, and GeForce GTX 950A - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 950A is 502 MHz higher, than GeForce GTX 580M.

Game benchmarks

high / 1080p 10−12 12−14
ultra / 1080p 6−7 7−8
QHD / 1440p 1−2 2−3
low / 720p 24−27 24−27
medium / 1080p 14−16 14−16
The average gaming FPS of GeForce GTX 950A in Assassin's Creed Odyssey is 9% more, than GeForce GTX 580M.

Full Specs

  GeForce GTX 580M GeForce GTX 950A
Architecture Fermi Maxwell
Code name N12E-GTX2 GM107
Type Laptop Desktop
Release date 28 June 2011 13 March 2015
Pipelines 384 640
Core clock speed 620 MHz 993 MHz
Boost Clock 1124 MHz
Transistor count 1,950 million 1,870 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 39.7 billion/sec 44.96
Floating-point performance 952.3 gflops 1,271 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1500 MHz 2002 MHz
Memory bandwidth 96.0 GB/s 32.03 GB/s
Shared memory -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan N/A 1.1.126
CUDA + 5.0
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
Optimus +
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