Iris Pro Graphics 580 vs Radeon R7 250X

When comparing Iris Pro Graphics 580 and Radeon R7 250X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Iris Pro Graphics 580 and Radeon R7 250X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

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 R7 250X
Power consumption (TDP) 15 Watt 80 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R7 250X has 433% more power consumption, than Iris Pro Graphics 580.
  • Iris Pro Graphics 580 is connected by PCIe 3.0 x1, and Radeon R7 250X uses PCIe 3.0 x16 interface.
  • Iris Pro Graphics 580 has 62 GB more memory, than Radeon R7 250X.
  • Iris Pro Graphics 580 is used in Laptops, and Radeon R7 250X - in Desktops.
  • Iris Pro Graphics 580 is build with Gen. 9 Skylake architecture, and Radeon R7 250X - with GCN 1.0.
  • Iris Pro Graphics 580 is manufactured by 14 nm process technology, and Radeon R7 250X - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 10−12
ultra / 1080p 5−6 6−7
QHD / 1440p 0−1 1−2
low / 720p 20−22 24−27
medium / 1080p 10−12 14−16
The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 27% more, than Iris Pro Graphics 580.

Full Specs

  Iris Pro Graphics 580 Radeon R7 250X
Architecture Gen. 9 Skylake GCN 1.0
Code name Skylake GT4e Cape Verde
Type Laptop Desktop
Release date 1 September 2015 13 February 2014
Pipelines 72 640
Core clock speed 350 MHz
Boost Clock 1050 MHz 1000 MHz
Transistor count 189 million 1,500 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 72.00 38.00
Floating-point performance 1,216 gflops
Length 210 mm
Memory bus width 128 Bit
Memory clock speed 1625 MHz
Memory bandwidth 96 GB/s
Shared memory +
DirectX 12 (12_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.1.97
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 152 Mh/s
Eyefinity +
Design reference
CrossFire +
DDMA audio +
Quick Sync +
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