Iris Pro Graphics 580 vs Radeon HD 7950

When choosing between Iris Pro Graphics 580 and Radeon HD 7950, 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 580 and Radeon HD 7950.

Iris Pro Graphics 580 is a Laptop Graphics Card

Note: Iris Pro Graphics 580 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 580 here:

Main Specs

  Iris Pro Graphics 580 Radeon HD 7950
Power consumption (TDP) 15 Watt 200 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 3 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7950 has 1233% more power consumption, than Iris Pro Graphics 580.
  • Iris Pro Graphics 580 is connected by PCIe 3.0 x1, and Radeon HD 7950 uses PCIe 3.0 x16 interface.
  • Iris Pro Graphics 580 has 61 GB more memory, than Radeon HD 7950.
  • Iris Pro Graphics 580 is used in Laptops, and Radeon HD 7950 - in Desktops.
  • Iris Pro Graphics 580 is build with Gen. 9 Skylake architecture, and Radeon HD 7950 - with GCN 1.0.
  • Iris Pro Graphics 580 is manufactured by 14 nm process technology, and Radeon HD 7950 - 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 HD 7950 in Assassin's Creed Odyssey is 272% more, than Iris Pro Graphics 580.

Full Specs

  Iris Pro Graphics 580 Radeon HD 7950
Architecture Gen. 9 Skylake GCN 1.0
Code name Skylake GT4e Tahiti
Type Laptop Desktop
Release date 1 September 2015 31 January 2012
Pipelines 72 1792
Core clock speed 350 MHz
Boost Clock 1050 MHz 1250 MHz
Transistor count 189 million 4,313 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 72.00 89.60
Floating-point performance 2,867 gflops
Length 267 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
Monero / XMR (CryptoNight) 0.56 kh/s
FreeSync +
Bus support PCIe 3.0 x16
HDMI +
Bitcoin / BTC (SHA256) 381 Mh/s
Eyefinity +
PowerTune +
ZeroCore +
Design reference
Number of Eyefinity displays 6
CrossFire +
Decred / DCR (Decred) 0.78 Gh/s
Ethereum / ETH (DaggerHashimoto) 13.86 Mh/s
Zcash / ZEC (Equihash) 250 Sol/s
Quick Sync +
Compute units 28
AppAcceleration +
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