Iris Pro Graphics 580 vs Radeon HD 6740G2

Find out if it is worth upgrading your current GPU setup by comparing Iris Pro Graphics 580 and Radeon HD 6740G2. 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 580 and Radeon HD 6740G2. 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 580 and Radeon HD 6740G2 are Laptop Graphics Cards

Note: Iris Pro Graphics 580 and Radeon HD 6740G2 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 HD 6740G2 here:

Main Specs

  Iris Pro Graphics 580 Radeon HD 6740G2
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1
Memory type DDR3L/LPDDR3/DDR4
Maximum RAM amount 64 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Iris Pro Graphics 580 is build with Gen. 9 Skylake architecture, and Radeon HD 6740G2 - with Terascale 2.
  • Iris Pro Graphics 580 is manufactured by 14 nm process technology, and Radeon HD 6740G2 - by 40 nm process technology.

Game benchmarks

high / 1080p 9−10 0−1
ultra / 1080p 5−6 0−1
QHD / 1440p 0−1 0−1
low / 720p 20−22 10−12
medium / 1080p 10−12 2−3
The average gaming FPS of Iris Pro Graphics 580 in Assassin's Creed Odyssey is 166% more, than Radeon HD 6740G2.

Full Specs

  Iris Pro Graphics 580 Radeon HD 6740G2
Architecture Gen. 9 Skylake Terascale 2
Code name Skylake GT4e
Type Laptop Laptop
Release date 1 September 2015 14 June 2011
Pipelines 72 880
Core clock speed 350 MHz
Boost Clock 1050 MHz
Transistor count 189 million
Manufacturing process technology 14 nm 40 nm
Texture fill rate 72.00
Shared memory + -
DirectX 12 (12_1) DirectX 11, Shader 5.0
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.97
Laptop size medium sized
Quick Sync +
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