Iris Pro Graphics 580 vs Radeon R9 M395

If you are going to buy a new graphics card and are choosing between Iris Pro Graphics 580 and Radeon R9 M395, 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 580 stacks up against Radeon R9 M395, check out specs charts below.

Iris Pro Graphics 580 and Radeon R9 M395 are Laptop Graphics Cards

Note: Iris Pro Graphics 580 and Radeon R9 M395 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 580 or Radeon R9 M395 here:

Main Specs

  Iris Pro Graphics 580 Radeon R9 M395
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 4 GB
Display Connectors No outputs
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  • Iris Pro Graphics 580 has 60 GB more memory, than Radeon R9 M395.
  • Both cards are used in Laptops.
  • Iris Pro Graphics 580 is build with Gen. 9 Skylake architecture, and Radeon R9 M395 - with GCN.
  • Core clock speed of Radeon R9 M395 is 484 MHz higher, than Iris Pro Graphics 580.
  • Iris Pro Graphics 580 is manufactured by 14 nm process technology, and Radeon R9 M395 - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 20−22 60−65
medium / 1080p 10−12 40−45
The average gaming FPS of Radeon R9 M395 in Assassin's Creed Odyssey is 272% more, than Iris Pro Graphics 580.

Full Specs

  Iris Pro Graphics 580 Radeon R9 M395
Architecture Gen. 9 Skylake GCN
Code name Skylake GT4e
Type Laptop Laptop
Release date 1 September 2015 9 June 2015
Pipelines 72 1792
Core clock speed 350 MHz 834 MHz
Boost Clock 1050 MHz
Transistor count 189 million 5000 Million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 72.00
Memory bus width 256 Bit
Memory clock speed 1250 MHz
Shared memory + -
DirectX 12 (12_1)
Shader Model 6.4
OpenGL 4.6 4.4
OpenCL 2.1 Not Listed
Vulkan 1.1.97 +
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 336 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
Quick Sync +
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