Iris Graphics 550 vs Radeon HD 7870 XT

Find out if it is worth upgrading your current GPU setup by comparing Iris Graphics 550 and Radeon HD 7870 XT. 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 550 and Radeon HD 7870 XT. 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 550 is a Laptop Graphics Card

Note: Iris Graphics 550 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 Graphics 550 here:

Main Specs

  Iris Graphics 550 Radeon HD 7870 XT
Power consumption (TDP) 15 Watt 185 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type eDRAM GDDR5
Maximum RAM amount 64 MB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7870 XT has 1133% more power consumption, than Iris Graphics 550.
  • Iris Graphics 550 is connected by PCIe 3.0 x1, and Radeon HD 7870 XT uses PCIe 3.0 x16 interface.
  • Iris Graphics 550 has 62 GB more memory, than Radeon HD 7870 XT.
  • Iris Graphics 550 is used in Laptops, and Radeon HD 7870 XT - in Desktops.
  • Iris Graphics 550 is build with Gen. 9 Skylake architecture, and Radeon HD 7870 XT - with GCN 1.0.
  • Core clock speed of Radeon HD 7870 XT is 625 MHz higher, than Iris Graphics 550.
  • Iris Graphics 550 is manufactured by 14 nm process technology, and Radeon HD 7870 XT - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 21−24 60−65
medium / 1080p 10−12 40−45
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 241% more, than Iris Graphics 550.

Full Specs

  Iris Graphics 550 Radeon HD 7870 XT
Architecture Gen. 9 Skylake GCN 1.0
Code name Skylake GT3e Tahiti
Type Laptop Desktop
Release date 1 September 2015 19 November 2012
Pipelines 48 1536
Core clock speed 300 MHz 925 MHz
Boost Clock 1100 MHz 975 MHz
Transistor count 189 million 4,313 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 52.80 93.60
Floating-point performance 2,995 gflops
Length 267 mm
Memory bus width 256 Bit
Memory clock speed 6000 MHz
Memory bandwidth 192.0 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
Bitcoin / BTC (SHA256) 346 Mh/s
Ethereum / ETH (DaggerHashimoto) 14.5 Mh/s
Quick Sync +
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