Iris Graphics 6100 vs Mobility Radeon HD 5870 Crossfire

In this comparison between Iris Graphics 6100 and Mobility Radeon HD 5870 Crossfire you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Iris Graphics 6100 will be the best choice, for others Mobility Radeon HD 5870 Crossfire will be their preference. Study the comparison tables below and make your choice.

Iris Graphics 6100 and Mobility Radeon HD 5870 Crossfire are Laptop Graphics Cards

Note: Iris Graphics 6100 and Mobility Radeon HD 5870 Crossfire 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 Graphics 6100 or Mobility Radeon HD 5870 Crossfire here:

Main Specs

  Iris Graphics 6100 Mobility Radeon HD 5870 Crossfire
Power consumption (TDP) 15 Watt 120 Watt
Interface PCIe 2.0 x1
Supplementary power connectors None
Memory type System Shared DDR3, GDDR3, GDDR5
Maximum RAM amount 2x1 GB
Display Connectors No outputs
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  • Mobility Radeon HD 5870 Crossfire has 700% more power consumption, than Iris Graphics 6100.
  • Both cards are used in Laptops.
  • Iris Graphics 6100 is build with Gen. 8 Broadwell architecture, and Mobility Radeon HD 5870 Crossfire - with Terascale 2.
  • Core clock speed of Mobility Radeon HD 5870 Crossfire is 400 MHz higher, than Iris Graphics 6100.
  • Iris Graphics 6100 is manufactured by 14 nm process technology, and Mobility Radeon HD 5870 Crossfire - by 40 nm process technology.

Game benchmarks

high / 1080p 4−5 16−18
ultra / 1080p 3−4 9−10
QHD / 1440p 0−1 4−5
low / 720p 12−14 30−35
medium / 1080p 5−6 18−20
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 216% more, than Iris Graphics 6100.

Full Specs

  Iris Graphics 6100 Mobility Radeon HD 5870 Crossfire
Architecture Gen. 8 Broadwell Terascale 2
Code name Broadwell GT3 Broadway-XT
Type Laptop Laptop
Release date 5 January 2015 7 January 2010
Pipelines 48 1600
Core clock speed 300 MHz 700 MHz
Boost Clock 1100 MHz
Transistor count 189 million
Manufacturing process technology 14 nm 40 nm
Texture fill rate 52.80
Memory bus width 64/128 Bit 128 Bit
Memory clock speed 1000 MHz
Shared memory + -
DirectX 12 (11_1) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.4
OpenCL 2.0
Vulkan 1.1.80
Laptop size large
Quick Sync +
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