Iris Plus Graphics 645 vs Quadro P520

Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Quadro P520. 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 Quadro P520. 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 Quadro P520 are Laptop Graphics Cards

Note: Iris Plus Graphics 645 and Quadro P520 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 P520 here:

Main Specs

  Iris Plus Graphics 645 Quadro P520
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1
Memory type DDR3/DDR4 GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Iris Plus Graphics 645 is used in Laptops, and Quadro P520 - in Mobile workstations.
  • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Quadro P520 - with Pascal.
  • Core clock speed of Quadro P520 is 1003 MHz higher, than Iris Plus Graphics 645.
  • Iris Plus Graphics 645 and Quadro P520 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 4−5 10−12
ultra / 1080p 2−3 6−7
QHD / 1440p 0−1 1−2
low / 720p 12−14 24−27
medium / 1080p 5−6 12−14
The average gaming FPS of Quadro P520 in Assassin's Creed Odyssey is 133% more, than Iris Plus Graphics 645.

Full Specs

  Iris Plus Graphics 645 Quadro P520
Architecture Gen. 9.5 Coffee Lake Pascal
Code name Kaby Lake GT3e
Type Laptop Mobile workstation
Release date 10 July 2019 27 May 2019
Pipelines 48 384
Core clock speed 300 MHz 1303 MHz
Boost Clock 1150 MHz 1493 MHz
Manufacturing process technology 14 nm 14 nm
Texture fill rate 50.40
Memory bus width 64 Bit
Memory clock speed 6000 MHz
Shared memory + -
DirectX 12 (12_1) DirectX 12_1
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.103 +
Laptop size large
Quick Sync +
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