Iris Pro Graphics 580 vs Radeon HD 6790

When choosing between Iris Pro Graphics 580 and Radeon HD 6790, 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 6790.

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 6790
Power consumption (TDP) 15 Watt 150 Watt
Interface PCIe 3.0 x1 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6790 has 900% more power consumption, than Iris Pro Graphics 580.
  • Iris Pro Graphics 580 is connected by PCIe 3.0 x1, and Radeon HD 6790 uses PCIe 2.0 x16 interface.
  • Iris Pro Graphics 580 has 63 GB more memory, than Radeon HD 6790.
  • Iris Pro Graphics 580 is used in Laptops, and Radeon HD 6790 - in Desktops.
  • Iris Pro Graphics 580 is build with Gen. 9 Skylake architecture, and Radeon HD 6790 - with Terascale 2.
  • Core clock speed of Radeon HD 6790 is 490 MHz higher, than Iris Pro Graphics 580.
  • Iris Pro Graphics 580 is manufactured by 14 nm process technology, and Radeon HD 6790 - by 40 nm process technology.

Game benchmarks

high / 1080p 9−10 7−8
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 20−22 18−20
medium / 1080p 10−12 9−10
The average gaming FPS of Iris Pro Graphics 580 in Assassin's Creed Odyssey is 10% more, than Radeon HD 6790.

Full Specs

  Iris Pro Graphics 580 Radeon HD 6790
Architecture Gen. 9 Skylake Terascale 2
Code name Skylake GT4e Barts
Type Laptop Desktop
Release date 1 September 2015 4 April 2011
Pipelines 72 800
Core clock speed 350 MHz 840 MHz
Boost Clock 1050 MHz
Transistor count 189 million 1,700 million
Manufacturing process technology 14 nm 40 nm
Texture fill rate 72.00 33.60
Floating-point performance 1,344.0 gflops
Length 198 mm
Memory bus width 256 Bit
Memory clock speed 1050 MHz
Memory bandwidth 134.4 GB/s
Shared memory +
DirectX 12 (12_1) 11.2 (11_0)
Shader Model 6.4 5.0
OpenGL 4.6 4.4
OpenCL 2.1 1.2
Vulkan 1.1.97 N/A
Bitcoin / BTC (SHA256) 122 Mh/s
Quick Sync +
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