Iris Pro Graphics P580 vs Radeon R9 M295X

When choosing between Iris Pro Graphics P580 and Radeon R9 M295X, 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 Iris Pro Graphics P580 and Radeon R9 M295X.

Iris Pro Graphics P580 and Radeon R9 M295X are Laptop Graphics Cards

Note: Iris Pro Graphics P580 and Radeon R9 M295X 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 Iris Pro Graphics P580 or Radeon R9 M295X here:

Main Specs

  Iris Pro Graphics P580 Radeon R9 M295X
Power consumption (TDP) 15 Watt 250 Watt
Interface PCIe 3.0 x1 MXM-B (3.0)
Supplementary power connectors None
Memory type DDR3L/LPDDR3/DDR4 Not Listed
Maximum RAM amount 64 GB
Display Connectors No outputs No outputs
  Check Price Check Price
  • Radeon R9 M295X has 1566% more power consumption, than Iris Pro Graphics P580.
  • Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon R9 M295X uses MXM-B (3.0) interface.
  • Both cards are used in Laptops.
  • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon R9 M295X - with GCN 3.
  • Core clock speed of Radeon R9 M295X is 373 MHz higher, than Iris Pro Graphics P580.
  • Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon R9 M295X - by 28 nm process technology.

Game benchmarks

high / 1080p 10−11 35−40
ultra / 1080p 6−7 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 21−24 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon R9 M295X in Assassin's Creed Odyssey is 215% more, than Iris Pro Graphics P580.

Full Specs

  Iris Pro Graphics P580 Radeon R9 M295X
Architecture Gen. 9 Skylake GCN 3
Code name Skylake GT4e Tonga
Type Laptop Laptop
Release date 1 September 2015 16 October 2014
Pipelines 72 2048
Core clock speed 350 MHz 723 MHz
Boost Clock 1100 MHz
Transistor count 189 million 5,000 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 75.60 92.54
Floating-point performance 2,961 gflops
Memory bandwidth 160.0 GB/s
Shared memory + -
DirectX 12 (12_1) Not Listed
Shader Model 6.4 6.3
OpenGL 4.6 4.4
OpenCL 2.1 Not Listed
Vulkan 1.1.97
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 392 Mh/s
Laptop size large
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Quick Sync +
  Check Price Check Price