Iris Pro Graphics P580 vs Radeon R5 Bristol Ridge

If you are going to buy a new graphics card and are choosing between Iris Pro Graphics P580 and Radeon R5 Bristol Ridge, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Pro Graphics P580 stacks up against Radeon R5 Bristol Ridge, check out specs charts below.

Iris Pro Graphics P580 and Radeon R5 Bristol Ridge are Laptop Graphics Cards

Note: Iris Pro Graphics P580 and Radeon R5 Bristol Ridge 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 R5 Bristol Ridge here:

Main Specs

  Iris Pro Graphics P580 Radeon R5 Bristol Ridge
Power consumption (TDP) 15 Watt 12-45 Watt
Interface PCIe 3.0 x1
Memory type DDR3L/LPDDR3/DDR4
Maximum RAM amount 64 GB
Display Connectors No outputs
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  • Iris Pro Graphics P580 has 25% more power consumption, than Radeon R5 Bristol Ridge.
  • Both cards are used in Laptops.
  • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon R5 Bristol Ridge - with GCN 1.2/2.0.
  • Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon R5 Bristol Ridge - by 28 nm process technology.

Game benchmarks

high / 1080p 10−11 3−4
ultra / 1080p 6−7 1−2
QHD / 1440p 0−1 0−1
low / 720p 21−24 14−16
medium / 1080p 12−14 5−6
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 116% more, than Radeon R5 Bristol Ridge.

Full Specs

  Iris Pro Graphics P580 Radeon R5 Bristol Ridge
Architecture Gen. 9 Skylake GCN 1.2/2.0
Code name Skylake GT4e Bristol Ridge
Type Laptop Laptop
Release date 1 September 2015 1 June 2016
Pipelines 72 384
Core clock speed 350 MHz
Boost Clock 1100 MHz 800 MHz
Transistor count 189 million 3100 Million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 75.60
Memory bus width 64/128 Bit
Shared memory + +
DirectX 12 (12_1) DirectX 12 (FL 12_0)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.97
Laptop size medium sized
Quick Sync +
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