Iris Pro Graphics P580 vs Radeon RX 540

When choosing between Iris Pro Graphics P580 and Radeon RX 540, 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 RX 540.

Iris Pro Graphics P580 and Radeon RX 540 are Laptop Graphics Cards

Note: Iris Pro Graphics P580 and Radeon RX 540 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 RX 540 here:

Main Specs

  Iris Pro Graphics P580 Radeon RX 540
Power consumption (TDP) 15 Watt 65 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 4 GB
Display Connectors No outputs
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  • Radeon RX 540 has 333% more power consumption, than Iris Pro Graphics P580.
  • Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon RX 540 uses PCIe 3.0 x16 interface.
  • Iris Pro Graphics P580 has 60 GB more memory, than Radeon RX 540.
  • Both cards are used in Laptops.
  • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon RX 540 - with Polaris.
  • Iris Pro Graphics P580 and Radeon RX 540 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 10−11 14−16
ultra / 1080p 6−7 8−9
QHD / 1440p 0−1 3−4
low / 720p 21−24 30−33
medium / 1080p 12−14 18−20
The average gaming FPS of Radeon RX 540 in Assassin's Creed Odyssey is 38% more, than Iris Pro Graphics P580.

Full Specs

  Iris Pro Graphics P580 Radeon RX 540
Architecture Gen. 9 Skylake Polaris
Code name Skylake GT4e Polaris 12
Type Laptop Laptop
Release date 1 September 2015 21 March 2017
Pipelines 72 512
Core clock speed 350 MHz
Boost Clock 1100 MHz 1219 MHz
Transistor count 189 million 1,500 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 75.60 39.01
Floating-point performance 1,248 gflops
Memory bus width 128 Bit
Memory clock speed 6000 MHz
Memory bandwidth 96 GB/s
Shared memory + -
DirectX 12 (12_1) 12.0
Shader Model 6.4 5.0
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.1.97
FreeSync +
Laptop size large
Quick Sync +
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