Iris Plus Graphics 645 vs Radeon R7 M270

Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon R7 M270. 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 Plus Graphics 645 and Radeon R7 M270. 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 and Radeon R7 M270 are Laptop Graphics Cards

Note: Iris Plus Graphics 645 and Radeon R7 M270 are only used in laptop graphics. They have 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 or Radeon R7 M270 here:

Main Specs

  Iris Plus Graphics 645 Radeon R7 M270
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x8
Memory type DDR3/DDR4 Not Listed
Display Connectors No outputs No outputs
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  • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R7 M270 uses PCIe 3.0 x8 interface.
  • Both cards are used in Laptops.
  • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R7 M270 - with GCN.
  • Core clock speed of Radeon R7 M270 is 525 MHz higher, than Iris Plus Graphics 645.
  • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R7 M270 - by 28 nm process technology.

Game benchmarks

high / 1080p 4−5 0−1
ultra / 1080p 2−3
QHD / 1440p 0−1 0−1
low / 720p 12−14 1−2
medium / 1080p 5−6 0−1
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 1200% more, than Radeon R7 M270.

Full Specs

  Iris Plus Graphics 645 Radeon R7 M270
Architecture Gen. 9.5 Coffee Lake GCN
Code name Kaby Lake GT3e Opal XT / Mars
Type Laptop Laptop
Release date 10 July 2019 7 January 2014
Pipelines 48 384
Core clock speed 300 MHz 825 MHz
Boost Clock 1150 MHz
Transistor count 950 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 50.40 19.80
Floating-point performance 633.6 gflops
Memory bandwidth 28.8 GB/s
Shared memory + -
DirectX 12 (12_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.4
OpenCL 2.1 Not Listed
Vulkan 1.1.103
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Quick Sync +
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