GeForce GT 745A vs Iris Plus Graphics 645

In this comparison between GeForce GT 745A and Iris Plus Graphics 645 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 745A will be the best choice, for others Iris Plus Graphics 645 will be their preference. Study the comparison tables below and make your choice.

GeForce GT 745A

Iris Plus Graphics 645 Check Price

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:

Iris Plus Graphics 645 Laptops

Main Specs

	GeForce GT 745A	Iris Plus Graphics 645
Power consumption (TDP)	33 Watt	15 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x1
Memory type	DDR3	DDR3/DDR4
Maximum RAM amount	2 GB
Display Connectors	No outputs	No outputs
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GeForce GT 745A has 120% more power consumption, than Iris Plus Graphics 645.
GeForce GT 745A is connected by PCIe 3.0 x16, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
GeForce GT 745A is used in Desktops, and Iris Plus Graphics 645 - in Laptops.
GeForce GT 745A is build with Kepler architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
Core clock speed of GeForce GT 745A is 537 MHz higher, than Iris Plus Graphics 645.
GeForce GT 745A is manufactured by 28 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.

Game benchmarks


high / 1080p	2−3	4−5
ultra / 1080p	0−1	2−3
QHD / 1440p	0−1	0−1
low / 720p	12−14	12−14
medium / 1080p	4−5	5−6
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 16% more, than GeForce GT 745A.
high / 1080p	6−7	−
ultra / 1080p	5−6	7−8
QHD / 1440p	0−1	0−1
low / 720p	16−18	16−18
medium / 1080p	7−8	8−9
The average gaming FPS of Iris Plus Graphics 645 in Battlefield 5 is 10% more, than GeForce GT 745A.
low / 768p	50−55	45−50
high / 1080p	40−45	45−50
QHD / 1440p	0−1	0−1
GeForce GT 745A and Iris Plus Graphics 645 have the same average FPS in Call of Duty: Warzone.
low / 768p	110−120	100−110
medium / 768p	85−90	80−85
ultra / 1080p	40−45	35−40
QHD / 1440p	24−27	24−27
high / 768p	60−65	60−65
The average gaming FPS of GeForce GT 745A in Counter-Strike: Global Offensive is 6% more, than Iris Plus Graphics 645.
low / 768p	60−65	55−60
ultra / 1080p	18−20	12−14
medium / 1080p	50−55	45−50
The average gaming FPS of GeForce GT 745A in Cyberpunk 2077 is 12% more, than Iris Plus Graphics 645.
low / 768p	70−75	65−70
medium / 768p	50−55	45−50
ultra / 1080p	24−27	21−24
The average gaming FPS of GeForce GT 745A in Dota 2 is 11% more, than Iris Plus Graphics 645.
high / 1080p	3−4	5−6
ultra / 1080p	3−4	5−6
4K / 2160p	1−2	3−4
low / 720p	12−14	12−14
medium / 1080p	4−5	5−6
The average gaming FPS of Iris Plus Graphics 645 in Far Cry 5 is 20% more, than GeForce GT 745A.
high / 1080p	10−12	12−14
ultra / 1080p	6−7	8−9
QHD / 1440p	2−3	−
low / 720p	50−55	45−50
medium / 1080p	14−16	12−14
The average gaming FPS of GeForce GT 745A in Fortnite is 5% more, than Iris Plus Graphics 645.
high / 1080p	7−8	8−9
ultra / 1080p	5−6	−
QHD / 1440p	0−1	0−1
low / 720p	18−20	16−18
medium / 1080p	9−10	9−10
The average gaming FPS of GeForce GT 745A in Forza Horizon 4 is 9% more, than Iris Plus Graphics 645.
low / 768p	45−50	40−45
medium / 768p	40−45	35−40
high / 1080p	7−8	7−8
ultra / 1080p	3−4	5−6
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce GT 745A in Grand Theft Auto V is 8% more, than Iris Plus Graphics 645.
high / 1080p	1−2	3−4
ultra / 1080p	0−1	2−3
4K / 2160p	0−1	0−1
low / 720p	7−8	7−8
medium / 1080p	4−5	4−5
The average gaming FPS of Iris Plus Graphics 645 in Metro Exodus is 25% more, than GeForce GT 745A.
low / 768p	80−85	85−90
high / 1080p	80−85	80−85
ultra / 1080p	70−75	70−75
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 1% more, than GeForce GT 745A.
high / 1080p	14−16	16−18
ultra / 1080p	12−14	14−16
low / 720p	24−27	24−27
medium / 1080p	14−16	16−18
The average gaming FPS of Iris Plus Graphics 645 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than GeForce GT 745A.
ultra / 1080p	6−7	7−8
QHD / 1440p	−	0−1
low / 720p	8−9	7−8
medium / 1080p	7−8	−
GeForce GT 745A and Iris Plus Graphics 645 have the same average FPS in Red Dead Redemption 2.
low / 768p	16−18	16−18
medium / 768p	12−14	12−14
high / 1080p	6−7	6−7
ultra / 1080p	4−5	5−6
4K / 2160p	2−3	−
GeForce GT 745A and Iris Plus Graphics 645 have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p	80−85	80−85
medium / 768p	35−40	35−40
ultra / 1080p	16−18	14−16
high / 768p	30−35	30−33
The average gaming FPS of GeForce GT 745A in World of Tanks is 2% more, than Iris Plus Graphics 645.

Full Specs

	GeForce GT 745A	Iris Plus Graphics 645
Architecture	Kepler	Gen. 9.5 Coffee Lake
Code name	GK107	Kaby Lake GT3e
Type	Desktop	Laptop
Release date	26 August 2013	10 July 2019
Pipelines	384	48
Core clock speed	837 MHz	300 MHz
Boost Clock	915 MHz	1150 MHz
Transistor count	1,270 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	29.28	50.40
Floating-point performance	642.8 gflops
Memory bus width	128 Bit
Memory clock speed	1800 MHz
Memory bandwidth	28.8 GB/s
Shared memory		+
DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	1.1.126	1.1.103
CUDA	3.0
Bitcoin / BTC (SHA256)	26 Mh/s
Quick Sync		+
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GeForce GT 745A vs Iris Plus Graphics 645

Iris Plus Graphics 645 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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