FireStream 9250 vs Iris Plus Graphics 640

Find out if it is worth upgrading your current GPU setup by comparing FireStream 9250 and Iris Plus Graphics 640. 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 FireStream 9250 and Iris Plus Graphics 640. 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 Plus Graphics 640 is a Laptop Graphics Card

Note: Iris Plus Graphics 640 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 Plus Graphics 640 here:

Main Specs

  FireStream 9250 Iris Plus Graphics 640
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 32 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9250 has 900% more power consumption, than Iris Plus Graphics 640.
  • FireStream 9250 is connected by PCIe 2.0 x16, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
  • Iris Plus Graphics 640 has 31 GB more memory, than FireStream 9250.
  • FireStream 9250 is used in Desktops, and Iris Plus Graphics 640 - in Laptops.
  • FireStream 9250 is build with TeraScale architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
  • Core clock speed of FireStream 9250 is 325 MHz higher, than Iris Plus Graphics 640.
  • FireStream 9250 is manufactured by 55 nm process technology, and Iris Plus Graphics 640 - by 14 nm process technology.

Game benchmarks

high / 1080p 2−3 6−7
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 12−14 16−18
medium / 1080p 5−6 8−9
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 80% more, than FireStream 9250.

Full Specs

  FireStream 9250 Iris Plus Graphics 640
Architecture TeraScale Gen. 9.5 Kaby Lake
Code name RV770 Kaby Lake GT3e
Type Desktop Laptop
Release date 16 June 2008 3 January 2017
Pipelines 800 48
Core clock speed 625 MHz 300 MHz
Boost Clock 1050 MHz
Transistor count 956 million 189 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 25.00 52.80
Floating-point performance 1,000.0 gflops
Memory bus width 256 Bit 64/128 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 1.1.103
Quick Sync +
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