Iris Graphics 550 vs Radeon HD 7870M

If you are going to buy a new graphics card and are choosing between Iris Graphics 550 and Radeon HD 7870M, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Graphics 550 stacks up against Radeon HD 7870M, check out specs charts below.

Iris Graphics 550 and Radeon HD 7870M are Laptop Graphics Cards

Note: Iris Graphics 550 and Radeon HD 7870M 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 550 or Radeon HD 7870M here:

Main Specs

  Iris Graphics 550 Radeon HD 7870M
Power consumption (TDP) 15 Watt 45 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x16
Memory type eDRAM GDDR5
Maximum RAM amount 64 MB 2 GB
Display Connectors No outputs No outputs
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  • Radeon HD 7870M has 200% more power consumption, than Iris Graphics 550.
  • Iris Graphics 550 is connected by PCIe 3.0 x1, and Radeon HD 7870M uses PCIe 3.0 x16 interface.
  • Iris Graphics 550 has 62 GB more memory, than Radeon HD 7870M.
  • Both cards are used in Laptops.
  • Iris Graphics 550 is build with Gen. 9 Skylake architecture, and Radeon HD 7870M - with GCN.
  • Core clock speed of Radeon HD 7870M is 500 MHz higher, than Iris Graphics 550.
  • Iris Graphics 550 is manufactured by 14 nm process technology, and Radeon HD 7870M - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 6−7
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 16−18
medium / 1080p 10−12 8−9
The average gaming FPS of Iris Graphics 550 in Assassin's Creed Odyssey is 33% more, than Radeon HD 7870M.

Full Specs

  Iris Graphics 550 Radeon HD 7870M
Architecture Gen. 9 Skylake GCN
Code name Skylake GT3e Heathrow XT
Type Laptop Laptop
Release date 1 September 2015 24 April 2012
Pipelines 48 640
Core clock speed 300 MHz 800 MHz
Boost Clock 1100 MHz
Transistor count 189 million 1,500 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 52.80 32.00
Floating-point performance 1,024 gflops
Memory bus width 128 Bit
Memory clock speed 4000 MHz
Memory bandwidth 64 GB/s
Shared memory + -
DirectX 12 (12_1) 12 (11_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.1.97 1.2.131
Laptop size large
Quick Sync +
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