Iris Pro Graphics 580 vs Radeon HD 4870

Find out if it is worth upgrading your current GPU setup by comparing Iris Pro Graphics 580 and Radeon HD 4870. 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 Pro Graphics 580 and Radeon HD 4870. 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 Pro Graphics 580 is a Laptop Graphics Card

Note: Iris Pro Graphics 580 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 Pro Graphics 580 here:

Main Specs

  Iris Pro Graphics 580 Radeon HD 4870
Power consumption (TDP) 15 Watt 150 Watt
Interface PCIe 3.0 x1 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4870 has 900% more power consumption, than Iris Pro Graphics 580.
  • Iris Pro Graphics 580 is connected by PCIe 3.0 x1, and Radeon HD 4870 uses PCIe 2.0 x16 interface.
  • Iris Pro Graphics 580 has 63 GB more memory, than Radeon HD 4870.
  • Iris Pro Graphics 580 is used in Laptops, and Radeon HD 4870 - in Desktops.
  • Iris Pro Graphics 580 is build with Gen. 9 Skylake architecture, and Radeon HD 4870 - with TeraScale.
  • Core clock speed of Radeon HD 4870 is 400 MHz higher, than Iris Pro Graphics 580.
  • Iris Pro Graphics 580 is manufactured by 14 nm process technology, and Radeon HD 4870 - by 55 nm process technology.

Game benchmarks

high / 1080p 9−10 3−4
ultra / 1080p 5−6 1−2
QHD / 1440p 0−1 0−1
low / 720p 20−22 14−16
medium / 1080p 10−12 6−7
The average gaming FPS of Iris Pro Graphics 580 in Assassin's Creed Odyssey is 83% more, than Radeon HD 4870.

Full Specs

  Iris Pro Graphics 580 Radeon HD 4870
Architecture Gen. 9 Skylake TeraScale
Code name Skylake GT4e RV770
Type Laptop Desktop
Release date 1 September 2015 25 June 2008
Pipelines 72 800
Core clock speed 350 MHz 750 MHz
Boost Clock 1050 MHz
Transistor count 189 million 956 million
Manufacturing process technology 14 nm 55 nm
Texture fill rate 72.00 30.00
Floating-point performance 1,200.0 gflops
Length 250 mm
Memory bus width 256 Bit
Memory clock speed 3600 MHz
Memory bandwidth 115.2 GB/s
Shared memory +
DirectX 12 (12_1) 10.1 (10_1)
Shader Model 6.4 4.1
OpenGL 4.6 3.3
OpenCL 2.1 1.1
Vulkan 1.1.97 N/A
Quick Sync +
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