Iris Pro Graphics P580 vs Radeon R9 280

Find out if it is worth upgrading your current GPU setup by comparing Iris Pro Graphics P580 and Radeon R9 280. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Iris Pro Graphics P580 and Radeon R9 280. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

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 R9 280
Power consumption (TDP) 15 Watt 200 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin + 1 x 8-pin
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 3 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R9 280 has 1233% more power consumption, than Iris Pro Graphics P580.
  • Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon R9 280 uses PCIe 3.0 x16 interface.
  • Iris Pro Graphics P580 has 61 GB more memory, than Radeon R9 280.
  • Iris Pro Graphics P580 is used in Laptops, and Radeon R9 280 - in Desktops.
  • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon R9 280 - with GCN 1.0.
  • Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon R9 280 - 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 280 in Assassin's Creed Odyssey is 215% more, than Iris Pro Graphics P580.

Full Specs

  Iris Pro Graphics P580 Radeon R9 280
Architecture Gen. 9 Skylake GCN 1.0
Code name Skylake GT4e Tahiti
Type Laptop Desktop
Release date 1 September 2015 4 March 2014
Pipelines 72 1792
Core clock speed 350 MHz
Boost Clock 1100 MHz 933 MHz
Transistor count 189 million 4,313 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 75.60 104.5
Floating-point performance 3,344 gflops
Length 275 mm
Memory bus width 384 Bit
Memory clock speed 1250 MHz
Memory bandwidth 240 GB/s
Shared memory +
DirectX 12 (12_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.1.97 +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 408 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 21.5 Mh/s
Quick Sync +
LiquidVR +
TressFX +
UVD +
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