Iris Pro Graphics P580 vs Radeon R7 M365X

In this comparison between Iris Pro Graphics P580 and Radeon R7 M365X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Iris Pro Graphics P580 will be the best choice, for others Radeon R7 M365X will be their preference. Study the comparison tables below and make your choice.

Iris Pro Graphics P580 is a Laptop Graphics Card

Note: Iris Pro Graphics P580 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 Iris Pro Graphics P580 here:

Main Specs

  Iris Pro Graphics P580 Radeon R7 M365X
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x8
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 4 GB
Display Connectors No outputs No outputs
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  • Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon R7 M365X uses PCIe 3.0 x8 interface.
  • Iris Pro Graphics P580 has 60 GB more memory, than Radeon R7 M365X.
  • Iris Pro Graphics P580 is used in Laptops, and Radeon R7 M365X - in Desktops.
  • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon R7 M365X - with GCN 1.0.
  • Core clock speed of Radeon R7 M365X is 550 MHz higher, than Iris Pro Graphics P580.
  • Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon R7 M365X - by 28 nm process technology.

Game benchmarks

high / 1080p 10−11 0−1
ultra / 1080p 6−7 0−1
QHD / 1440p 0−1 0−1
low / 720p 21−24 10−12
medium / 1080p 12−14 2−3
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 183% more, than Radeon R7 M365X.

Full Specs

  Iris Pro Graphics P580 Radeon R7 M365X
Architecture Gen. 9 Skylake GCN 1.0
Code name Skylake GT4e Litho
Type Laptop Desktop
Release date 1 September 2015 5 May 2015
Pipelines 72 384
Core clock speed 350 MHz 900 MHz
Boost Clock 1100 MHz 825 MHz
Transistor count 189 million 690 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 75.60 23.04
Floating-point performance 737.3 gflops
Memory bus width 128 Bit
Memory clock speed 1000 MHz
Memory bandwidth 64 GB/s
Shared memory +
DirectX 12 (12_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.4
OpenCL 2.1 Not Listed
Vulkan 1.1.97
FreeSync +
Bus support PCIe 3.0
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Quick Sync +
Compute units 6
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