GeForce GT 740A vs Iris Plus Graphics 640

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 740A and Iris Plus Graphics 640. 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 GeForce GT 740A and Iris Plus Graphics 640. 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.

GeForce GT 740A

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 740A	Iris Plus Graphics 640
Power consumption (TDP)	33 Watt	15 Watt
Interface	PCIe 3.0 x8	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 740A has 120% more power consumption, than Iris Plus Graphics 640.
GeForce GT 740A is connected by PCIe 3.0 x8, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
Iris Plus Graphics 640 has 30 GB more memory, than GeForce GT 740A.
GeForce GT 740A is used in Desktops, and Iris Plus Graphics 640 - in Laptops.
GeForce GT 740A is build with Kepler 2.0 architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
Core clock speed of GeForce GT 740A is 680 MHz higher, than Iris Plus Graphics 640.
GeForce GT 740A is manufactured by 28 nm process technology, and Iris Plus Graphics 640 - by 14 nm process technology.

Game benchmarks


high / 1080p	0−1	6−7
ultra / 1080p	−	4−5
QHD / 1440p	0−1	0−1
low / 720p	1−2	16−18
medium / 1080p	0−1	8−9
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 1600% more, than GeForce GT 740A.
high / 1080p	−	12−14
ultra / 1080p	−	10−11
QHD / 1440p	0−1	0−1
low / 720p	0−1	24−27
medium / 1080p	−	12−14
low / 768p	50−55	45−50
high / 1080p	45−50	45−50
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce GT 740A in Call of Duty: Warzone is 6% more, than Iris Plus Graphics 640.
low / 768p	60−65	130−140
medium / 768p	27−30	110−120
ultra / 1080p	7−8	50−55
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
high / 768p	16−18	80−85
The average gaming FPS of Iris Plus Graphics 640 in Counter-Strike: Global Offensive is 242% more, than GeForce GT 740A.
low / 768p	70−75	55−60
ultra / 1080p	0−1	18−20
medium / 1080p	45−50	45−50
The average gaming FPS of GeForce GT 740A in Cyberpunk 2077 is 15% more, than Iris Plus Graphics 640.
low / 768p	45−50	80−85
medium / 768p	10−11	55−60
ultra / 1080p	0−1	30−35
The average gaming FPS of Iris Plus Graphics 640 in Dota 2 is 141% more, than GeForce GT 740A.
high / 1080p	−	8−9
ultra / 1080p	−	7−8
4K / 2160p	−	3−4
low / 720p	0−1	18−20
medium / 1080p	−	8−9
high / 1080p	−	14−16
ultra / 1080p	−	10−11
low / 720p	21−24	60−65
medium / 1080p	0−1	21−24
The average gaming FPS of Iris Plus Graphics 640 in Fortnite is 181% more, than GeForce GT 740A.
high / 1080p	0−1	12−14
ultra / 1080p	−	10−12
QHD / 1440p	0−1	1−2
low / 720p	0−1	24−27
medium / 1080p	0−1	14−16
low / 768p	18−20	50−55
medium / 768p	−	45−50
high / 1080p	0−1	12−14
ultra / 1080p	−	6−7
QHD / 1440p	0−1	0−1
medium / 720p	12−14	−
The average gaming FPS of Iris Plus Graphics 640 in Grand Theft Auto V is 173% more, than GeForce GT 740A.
high / 1080p	−	4−5
ultra / 1080p	−	3−4
4K / 2160p	−	0−1
low / 720p	0−1	12−14
medium / 1080p	−	6−7
low / 768p	75−80	95−100
high / 1080p	27−30	90−95
ultra / 1080p	−	80−85
medium / 1080p	−	90−95
The average gaming FPS of Iris Plus Graphics 640 in Minecraft is 79% more, than GeForce GT 740A.
high / 1080p	−	16−18
ultra / 1080p	−	14−16
low / 720p	8−9	30−35
medium / 1080p	−	18−20
The average gaming FPS of Iris Plus Graphics 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 300% more, than GeForce GT 740A.
ultra / 1080p	−	7−8
QHD / 1440p	−	0−1
low / 720p	0−1	12−14
medium / 1080p	−	10−12
low / 768p	0−1	24−27
medium / 768p	−	16−18
high / 1080p	−	9−10
ultra / 1080p	−	6−7
4K / 2160p	−	6−7
low / 768p	45−50	85−90
medium / 768p	14−16	45−50
ultra / 1080p	0−1	18−20
high / 768p	12−14	35−40
The average gaming FPS of Iris Plus Graphics 640 in World of Tanks is 128% more, than GeForce GT 740A.

Full Specs

	GeForce GT 740A	Iris Plus Graphics 640
Architecture	Kepler 2.0	Gen. 9.5 Kaby Lake
Code name	GK208	Kaby Lake GT3e
Type	Desktop	Laptop
Release date	26 August 2013	3 January 2017
Pipelines	384	48
Core clock speed	980 MHz	300 MHz
Boost Clock		1050 MHz
Transistor count	915 million	189 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	31.36	52.80
Floating-point performance	752.6 gflops
Memory bus width	64 Bit	64/128 Bit
Memory clock speed	1800 MHz
Memory bandwidth	14.4 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	3.5
Quick Sync		+
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GeForce GT 740A vs Iris Plus Graphics 640

Iris Plus Graphics 640 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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