GeForce GT 745A vs Iris Plus Graphics 640

When choosing between GeForce GT 745A and Iris Plus Graphics 640, 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 GT 745A and Iris Plus Graphics 640.

GeForce GT 745A

Iris Plus Graphics 640 Check Price

Iris Plus Graphics 640 is a Laptop Graphics Card

Note: Iris Plus Graphics 640 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 640 here:

Iris Plus Graphics 640 Laptops

Main Specs

	GeForce GT 745A	Iris Plus Graphics 640
Power consumption (TDP)	33 Watt	15 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x1
Memory type	DDR3	DDR3L/LPDDR3/DDR4
Maximum RAM amount	2 GB	32 GB
Display Connectors	No outputs	No outputs
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GeForce GT 745A has 120% more power consumption, than Iris Plus Graphics 640.
GeForce GT 745A is connected by PCIe 3.0 x16, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
Iris Plus Graphics 640 has 30 GB more memory, than GeForce GT 745A.
GeForce GT 745A is used in Desktops, and Iris Plus Graphics 640 - in Laptops.
GeForce GT 745A is build with Kepler architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
Core clock speed of GeForce GT 745A is 537 MHz higher, than Iris Plus Graphics 640.
GeForce GT 745A is manufactured by 28 nm process technology, and Iris Plus Graphics 640 - by 14 nm process technology.

Game benchmarks


high / 1080p	2−3	6−7
ultra / 1080p	0−1	4−5
QHD / 1440p	0−1	0−1
low / 720p	12−14	16−18
medium / 1080p	4−5	8−9
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 66% more, than GeForce GT 745A.
high / 1080p	6−7	12−14
ultra / 1080p	5−6	10−11
QHD / 1440p	0−1	0−1
low / 720p	16−18	24−27
medium / 1080p	7−8	12−14
The average gaming FPS of Iris Plus Graphics 640 in Battlefield 5 is 66% 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 640 have the same average FPS in Call of Duty: Warzone.
low / 768p	110−120	130−140
medium / 768p	85−90	110−120
ultra / 1080p	40−45	50−55
QHD / 1440p	24−27	27−30
4K / 2160p	−	27−30
high / 768p	60−65	80−85
The average gaming FPS of Iris Plus Graphics 640 in Counter-Strike: Global Offensive is 24% more, than GeForce GT 745A.
low / 768p	60−65	55−60
ultra / 1080p	18−20	18−20
medium / 1080p	50−55	45−50
The average gaming FPS of GeForce GT 745A in Cyberpunk 2077 is 7% more, than Iris Plus Graphics 640.
low / 768p	70−75	80−85
medium / 768p	50−55	55−60
ultra / 1080p	24−27	30−35
The average gaming FPS of Iris Plus Graphics 640 in Dota 2 is 14% more, than GeForce GT 745A.
high / 1080p	3−4	8−9
ultra / 1080p	3−4	7−8
4K / 2160p	1−2	3−4
low / 720p	12−14	18−20
medium / 1080p	4−5	8−9
The average gaming FPS of Iris Plus Graphics 640 in Far Cry 5 is 80% more, than GeForce GT 745A.
high / 1080p	10−12	14−16
ultra / 1080p	6−7	10−11
QHD / 1440p	2−3	−
low / 720p	50−55	60−65
medium / 1080p	14−16	21−24
The average gaming FPS of Iris Plus Graphics 640 in Fortnite is 28% more, than GeForce GT 745A.
high / 1080p	7−8	12−14
ultra / 1080p	5−6	10−12
QHD / 1440p	0−1	1−2
low / 720p	18−20	24−27
medium / 1080p	9−10	14−16
The average gaming FPS of Iris Plus Graphics 640 in Forza Horizon 4 is 60% more, than GeForce GT 745A.
low / 768p	45−50	50−55
medium / 768p	40−45	45−50
high / 1080p	7−8	12−14
ultra / 1080p	3−4	6−7
QHD / 1440p	0−1	0−1
The average gaming FPS of Iris Plus Graphics 640 in Grand Theft Auto V is 16% more, than GeForce GT 745A.
high / 1080p	1−2	4−5
ultra / 1080p	0−1	3−4
4K / 2160p	0−1	0−1
low / 720p	7−8	12−14
medium / 1080p	4−5	6−7
The average gaming FPS of Iris Plus Graphics 640 in Metro Exodus is 100% more, than GeForce GT 745A.
low / 768p	80−85	95−100
high / 1080p	80−85	90−95
ultra / 1080p	70−75	80−85
medium / 1080p	−	90−95
The average gaming FPS of Iris Plus Graphics 640 in Minecraft is 13% more, than GeForce GT 745A.
high / 1080p	14−16	16−18
ultra / 1080p	12−14	14−16
low / 720p	24−27	30−35
medium / 1080p	14−16	18−20
The average gaming FPS of Iris Plus Graphics 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 17% more, than GeForce GT 745A.
ultra / 1080p	6−7	7−8
QHD / 1440p	−	0−1
low / 720p	8−9	12−14
medium / 1080p	7−8	10−12
The average gaming FPS of Iris Plus Graphics 640 in Red Dead Redemption 2 is 42% more, than GeForce GT 745A.
low / 768p	16−18	24−27
medium / 768p	12−14	16−18
high / 1080p	6−7	9−10
ultra / 1080p	4−5	6−7
4K / 2160p	2−3	6−7
The average gaming FPS of Iris Plus Graphics 640 in The Witcher 3: Wild Hunt is 62% more, than GeForce GT 745A.
low / 768p	80−85	85−90
medium / 768p	35−40	45−50
ultra / 1080p	16−18	18−20
high / 768p	30−35	35−40
The average gaming FPS of Iris Plus Graphics 640 in World of Tanks is 11% more, than GeForce GT 745A.

Full Specs

	GeForce GT 745A	Iris Plus Graphics 640
Architecture	Kepler	Gen. 9.5 Kaby Lake
Code name	GK107	Kaby Lake GT3e
Type	Desktop	Laptop
Release date	26 August 2013	3 January 2017
Pipelines	384	48
Core clock speed	837 MHz	300 MHz
Boost Clock	915 MHz	1050 MHz
Transistor count	1,270 million	189 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	29.28	52.80
Floating-point performance	642.8 gflops
Memory bus width	128 Bit	64/128 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 640

Iris Plus Graphics 640 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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