FireStream 9250 vs Iris Pro Graphics 580

When comparing FireStream 9250 and Iris Pro Graphics 580, 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 FireStream 9250 and Iris Pro Graphics 580 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

  FireStream 9250 Iris Pro Graphics 580
Power consumption (TDP) 150 Watt 15 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x1
Supplementary power connectors 1x 6-pin
Memory type GDDR3 DDR3L/LPDDR3/DDR4
Maximum RAM amount 1 GB 64 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9250 has 900% more power consumption, than Iris Pro Graphics 580.
  • FireStream 9250 is connected by PCIe 2.0 x16, and Iris Pro Graphics 580 uses PCIe 3.0 x1 interface.
  • Iris Pro Graphics 580 has 63 GB more memory, than FireStream 9250.
  • FireStream 9250 is used in Desktops, and Iris Pro Graphics 580 - in Laptops.
  • FireStream 9250 is build with TeraScale architecture, and Iris Pro Graphics 580 - with Gen. 9 Skylake.
  • Core clock speed of FireStream 9250 is 275 MHz higher, than Iris Pro Graphics 580.
  • FireStream 9250 is manufactured by 55 nm process technology, and Iris Pro Graphics 580 - by 14 nm process technology.

Game benchmarks

high / 1080p 2−3 9−10
ultra / 1080p 1−2 5−6
QHD / 1440p 0−1 0−1
low / 720p 12−14 20−22
medium / 1080p 5−6 10−12
The average gaming FPS of Iris Pro Graphics 580 in Assassin's Creed Odyssey is 120% more, than FireStream 9250.

Full Specs

  FireStream 9250 Iris Pro Graphics 580
Architecture TeraScale Gen. 9 Skylake
Code name RV770 Skylake GT4e
Type Desktop Laptop
Release date 16 June 2008 1 September 2015
Pipelines 800 72
Core clock speed 625 MHz 350 MHz
Boost Clock 1050 MHz
Transistor count 956 million 189 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 25.00 72.00
Floating-point performance 1,000.0 gflops
Memory bus width 256 Bit
Memory clock speed 1986 MHz
Memory bandwidth 63.55 GB/s
Shared memory +
DirectX 10.1 (10_1) 12 (12_1)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 2.1
Vulkan N/A 1.1.97
Quick Sync +
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