Iris Graphics 6100 vs Radeon HD 8870M

Find out if it is worth upgrading your current GPU setup by comparing Iris Graphics 6100 and Radeon HD 8870M. 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 Graphics 6100 and Radeon HD 8870M. 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 Graphics 6100 and Radeon HD 8870M are Laptop Graphics Cards

Note: Iris Graphics 6100 and Radeon HD 8870M 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 Radeon HD 8870M here:

Main Specs

  Iris Graphics 6100 Radeon HD 8870M
Power consumption (TDP) 15 Watt
Interface PCIe 2.0 x1 PCIe 3.0 x16
Supplementary power connectors None
Memory type System Shared GDDR5, DDR3
Maximum RAM amount 2 GB
Display Connectors No outputs No outputs
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  • Iris Graphics 6100 is connected by PCIe 2.0 x1, and Radeon HD 8870M uses PCIe 3.0 x16 interface.
  • Both cards are used in Laptops.
  • Iris Graphics 6100 is build with Gen. 8 Broadwell architecture, and Radeon HD 8870M - with GCN.
  • Core clock speed of Radeon HD 8870M is 425 MHz higher, than Iris Graphics 6100.
  • Iris Graphics 6100 is manufactured by 14 nm process technology, and Radeon HD 8870M - by 28 nm process technology.

Game benchmarks

high / 1080p 4−5 7−8
ultra / 1080p 3−4 4−5
QHD / 1440p 0−1 0−1
low / 720p 12−14 18−20
medium / 1080p 5−6 9−10
The average gaming FPS of Radeon HD 8870M in Assassin's Creed Odyssey is 66% more, than Iris Graphics 6100.

Full Specs

  Iris Graphics 6100 Radeon HD 8870M
Architecture Gen. 8 Broadwell GCN
Code name Broadwell GT3 Venus
Type Laptop Laptop
Release date 5 January 2015 18 December 2012
Pipelines 48 640
Core clock speed 300 MHz 725 MHz
Boost Clock 1100 MHz 775 MHz
Transistor count 189 million 1,500 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 52.80 31.00
Floating-point performance 992.0 gflops
Memory bus width 64/128 Bit 128 Bit
Memory clock speed 4500 MHz
Memory bandwidth 72 GB/s
Shared memory + -
DirectX 12 (11_1) 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.4 4.6
OpenCL 2.0 1.2
Vulkan 1.1.80 1.2.131
Bitcoin / BTC (SHA256) 107 Mh/s
Laptop size large
Quick Sync +
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