Iris Plus Graphics 645 vs Quadro K1100M

When choosing between Iris Plus Graphics 645 and Quadro K1100M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Iris Plus Graphics 645 and Quadro K1100M.

Iris Plus Graphics 645 and Quadro K1100M are Laptop Graphics Cards

Note: Iris Plus Graphics 645 and Quadro K1100M 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 Quadro K1100M here:

Main Specs

  Iris Plus Graphics 645 Quadro K1100M
Power consumption (TDP) 15 Watt 45 Watt
Interface PCIe 3.0 x1 MXM-A (3.0)
Memory type DDR3/DDR4 GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs No outputs
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  • Quadro K1100M has 200% more power consumption, than Iris Plus Graphics 645.
  • Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Quadro K1100M uses MXM-A (3.0) interface.
  • Iris Plus Graphics 645 is used in Laptops, and Quadro K1100M - in Mobile workstations.
  • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Quadro K1100M - with Kepler.
  • Core clock speed of Quadro K1100M is 405 MHz higher, than Iris Plus Graphics 645.
  • Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Quadro K1100M - 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 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 12% more, than Quadro K1100M.

Full Specs

  Iris Plus Graphics 645 Quadro K1100M
Architecture Gen. 9.5 Coffee Lake Kepler
Code name Kaby Lake GT3e GK107
Type Laptop Mobile workstation
Release date 10 July 2019 23 July 2013
Pipelines 48 384
Core clock speed 300 MHz 705 MHz
Boost Clock 1150 MHz
Transistor count 1,270 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 50.40 22.59
Floating-point performance 542.2 gflops
Memory bus width 128 Bit
Memory clock speed 2800 MHz
Memory bandwidth 44.8 GB/s
Shared memory + -
DirectX 12 (12_1) 12
Shader Model 6.4 5
OpenGL 4.6 4.5
OpenCL 2.1 1.2
Vulkan 1.1.103 1.1.126
CUDA +
Bitcoin / BTC (SHA256) 18 Mh/s
Laptop size medium sized
Optimus +
Quick Sync +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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