GeForce GTX 580M vs Radeon R8 M365DX

When comparing GeForce GTX 580M and Radeon R8 M365DX, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 580M and Radeon R8 M365DX is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce GTX 580M and Radeon R8 M365DX are Laptop Graphics Cards

Note: GeForce GTX 580M and Radeon R8 M365DX 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 R8 M365DX here:

Main Specs

  GeForce GTX 580M Radeon R8 M365DX
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0) IGP
Supplementary power connectors None
Memory type GDDR5 DDR3
Maximum RAM amount 2 MB
Display Connectors No outputs No outputs
  Check Price Check Price
  • GeForce GTX 580M is connected by MXM-B (3.0), and Radeon R8 M365DX uses IGP interface.
  • Both cards are used in Laptops.
  • GeForce GTX 580M is build with Fermi architecture, and Radeon R8 M365DX - with GCN.
  • Core clock speed of Radeon R8 M365DX is 100 MHz higher, than GeForce GTX 580M.
  • GeForce GTX 580M is manufactured by 40 nm process technology, and Radeon R8 M365DX - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 580M is 700 MHz higher, than Radeon R8 M365DX.

Game benchmarks

high / 1080p 10−12 0−1
ultra / 1080p 6−7
QHD / 1440p 1−2 0−1
low / 720p 24−27 1−2
medium / 1080p 14−16 0−1
The average gaming FPS of GeForce GTX 580M in Assassin's Creed Odyssey is 2400% more, than Radeon R8 M365DX.

Full Specs

  GeForce GTX 580M Radeon R8 M365DX
Architecture Fermi GCN
Code name N12E-GTX2 Meso
Type Laptop Laptop
Release date 28 June 2011 3 June 2015
Pipelines 384 768
Core clock speed 620 MHz 720 / 1125 MHz
Boost Clock 1125 MHz
Transistor count 1,950 million 1,550 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 39.7 billion/sec 27.00
Floating-point performance 952.3 gflops
Memory bus width 256 Bit 128 + 64 Bit
Memory clock speed 1500 MHz 800 / 1000 MHz
Memory bandwidth 96.0 GB/s
Shared memory - -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.0
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
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 medium sized
Optimus +
  Check Price Check Price