GeForce GTX 580M vs Radeon R9 M270X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 580M and Radeon R9 M270X. 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 R9 M270X. 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 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 Radeon R9 M270X
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 MB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 580M is connected by MXM-B (3.0), and Radeon R9 M270X uses PCIe 3.0 x16 interface.
  • Radeon R9 M270X has 2 GB more memory, than GeForce GTX 580M.
  • GeForce GTX 580M is used in Laptops, and Radeon R9 M270X - in Desktops.
  • GeForce GTX 580M is build with Fermi architecture, and Radeon R9 M270X - with GCN 1.0.
  • Core clock speed of Radeon R9 M270X is 105 MHz higher, than GeForce GTX 580M.
  • GeForce GTX 580M is manufactured by 40 nm process technology, and Radeon R9 M270X - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 580M is 375 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 10−12 6−7
ultra / 1080p 6−7 4−5
QHD / 1440p 1−2 0−1
low / 720p 24−27 16−18
medium / 1080p 14−16 8−9
The average gaming FPS of GeForce GTX 580M in Assassin's Creed Odyssey is 55% more, than Radeon R9 M270X.

Full Specs

  GeForce GTX 580M Radeon R9 M270X
Architecture Fermi GCN 1.0
Code name N12E-GTX2 Venus
Type Laptop Desktop
Release date 28 June 2011 21 March 2014
Pipelines 384 640
Core clock speed 620 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 1,950 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 39.7 billion/sec 31.00
Floating-point performance 952.3 gflops 1,536 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1500 MHz 1125 MHz
Memory bandwidth 96.0 GB/s 72 GB/s
Shared memory -
DirectX 12 API
Shader Model 5.1 5.1
OpenGL 4.5 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
CUDA +
FreeSync +
CUDA cores 384
Bus support PCI-E 2.0 PCIe 3.0 x16
SLI options +
3D Blu-Ray +
3D Gaming +
Bitcoin / BTC (SHA256) 40 Mh/s
Laptop size large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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