GeForce GTX 590 vs Iris Plus Graphics 645

When choosing between GeForce GTX 590 and Iris Plus Graphics 645, 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 GeForce GTX 590 and Iris Plus Graphics 645.

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

  GeForce GTX 590 Iris Plus Graphics 645
Power consumption (TDP) 365 Watt 15 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x1
Supplementary power connectors Two 8-pin
Memory type GDDR5 DDR3/DDR4
Maximum RAM amount 3072 MB (1536 MB per GPU)
Display Connectors 3x DVI, 1x mini-DisplayPort No outputs
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  • GeForce GTX 590 has 2333% more power consumption, than Iris Plus Graphics 645.
  • GeForce GTX 590 is connected by PCIe 2.0 x16, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
  • GeForce GTX 590 is used in Desktops, and Iris Plus Graphics 645 - in Laptops.
  • GeForce GTX 590 is build with Fermi architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
  • Core clock speed of GeForce GTX 590 is 915 MHz higher, than Iris Plus Graphics 645.
  • GeForce GTX 590 is manufactured by 40 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.

Game benchmarks

high / 1080p 16−18 4−5
ultra / 1080p 10−11 2−3
QHD / 1440p 4−5 0−1
low / 720p 35−40 12−14
medium / 1080p 21−24 5−6
The average gaming FPS of GeForce GTX 590 in Assassin's Creed Odyssey is 250% more, than Iris Plus Graphics 645.

Full Specs

  GeForce GTX 590 Iris Plus Graphics 645
Architecture Fermi Gen. 9.5 Coffee Lake
Code name GF110 Kaby Lake GT3e
Type Desktop Laptop
Release date 24 March 2011 10 July 2019
Pipelines 1024 48
Core clock speed 1215 MHz 300 MHz
Boost Clock 1150 MHz
Transistor count 3,000 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 77.7 billion/sec 50.40
Floating-point performance 2x 1,244.2 gflops
Length 11" (280 mm) (27.9 cm)
Memory bus width 768-bit (384-bit per GPU)
Memory clock speed 1707 MHz
Memory bandwidth 327.7 GB/s
Shared memory - +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.2 4.6
OpenCL 1.1 2.1
Vulkan N/A 1.1.103
CUDA +
CUDA cores 1024
Bus support 16x PCI-E 2.0
Height 4.376" (111 mm) (11.1 cm)
SLI options +
Multi monitor support +
HDMI +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 107 Mh/s
Quick Sync +
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