Iris Plus Graphics 655 vs Radeon HD 6970

When choosing between Iris Plus Graphics 655 and Radeon HD 6970, 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 Plus Graphics 655 and Radeon HD 6970.

Iris Plus Graphics 655 is a Laptop Graphics Card

Note: Iris Plus Graphics 655 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 Plus Graphics 655 here:

Main Specs

  Iris Plus Graphics 655 Radeon HD 6970
Power consumption (TDP) 15 Watt 550 Watt
Interface PCIe 3.0 x1 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type DDR3/DDR4 DDR5
Maximum RAM amount 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6970 has 3566% more power consumption, than Iris Plus Graphics 655.
  • Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon HD 6970 uses PCIe 2.0 x16 interface.
  • Iris Plus Graphics 655 is used in Laptops, and Radeon HD 6970 - in Desktops.
  • Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 6970 - with Terascale 2.
  • Iris Plus Graphics 655 is manufactured by 14 nm process technology, and Radeon HD 6970 - by 40 nm process technology.

Game benchmarks

high / 1080p 12−14 14−16
ultra / 1080p 7−8 9−10
QHD / 1440p 2−3 3−4
low / 720p 27−30 30−35
medium / 1080p 16−18 18−20
The average gaming FPS of Radeon HD 6970 in Assassin's Creed Odyssey is 15% more, than Iris Plus Graphics 655.

Full Specs

  Iris Plus Graphics 655 Radeon HD 6970
Architecture Gen. 9.5 Kaby Lake Terascale 2
Code name Kaby Lake GT3e Cayman
Type Laptop Desktop
Release date 1 September 2017 14 December 2010
Pipelines 48 1536
Core clock speed 300 MHz
Boost Clock 1200 MHz 880 MHz
Transistor count 189 million 2,640 million
Manufacturing process technology 14 nm 40 nm
Texture fill rate 50.40 84.48
Floating-point performance 2,703.4 gflops
Length 267 mm
Memory bus width 256 Bit
Memory clock speed 1375 MHz
Shared memory +
DirectX 12 (12_1)
Shader Model 6.4 5.0
OpenGL 4.6 4.4
OpenCL 2.1 1.2
Vulkan 1.1.103
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 273 Mh/s
Eyefinity +
Design reference
CrossFire +
Quick Sync +
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