FireStream 9270 vs Iris Plus Graphics 645

Find out if it is worth upgrading your current GPU setup by comparing FireStream 9270 and Iris Plus Graphics 645. 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 9270 and Iris Plus Graphics 645. 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 645 is a Laptop Graphics Card

Note: Iris Plus Graphics 645 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 645 here:

Main Specs

  FireStream 9270 Iris Plus Graphics 645
Power consumption (TDP) 160 Watt 15 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x1
Supplementary power connectors 2x 6-pin
Memory type GDDR5 DDR3/DDR4
Maximum RAM amount 2 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9270 has 966% more power consumption, than Iris Plus Graphics 645.
  • FireStream 9270 is connected by PCIe 2.0 x16, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
  • FireStream 9270 is used in Desktops, and Iris Plus Graphics 645 - in Laptops.
  • FireStream 9270 is build with TeraScale architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
  • Core clock speed of FireStream 9270 is 450 MHz higher, than Iris Plus Graphics 645.
  • FireStream 9270 is manufactured by 55 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.

Game benchmarks

high / 1080p 5−6 4−5
ultra / 1080p 2−3 2−3
QHD / 1440p 2−3 0−1
low / 720p 14−16 12−14
medium / 1080p 7−8 5−6
The average gaming FPS of FireStream 9270 in Assassin's Creed Odyssey is 16% more, than Iris Plus Graphics 645.

Full Specs

  FireStream 9270 Iris Plus Graphics 645
Architecture TeraScale Gen. 9.5 Coffee Lake
Code name RV770 Kaby Lake GT3e
Type Desktop Laptop
Release date 13 November 2008 10 July 2019
Pipelines 800 48
Core clock speed 750 MHz 300 MHz
Boost Clock 1150 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 30.00 50.40
Floating-point performance 1,200.0 gflops
Memory bus width 256 Bit
Memory clock speed 3600 MHz
Memory bandwidth 115.2 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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