GeForce GT 640M LE vs Iris Plus Graphics 655

When choosing between GeForce GT 640M LE and Iris Plus Graphics 655, 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 640M LE and Iris Plus Graphics 655.

GeForce GT 640M LE Check Price

Iris Plus Graphics 655 Check Price

GeForce GT 640M LE and Iris Plus Graphics 655 are Laptop Graphics Cards

Note: GeForce GT 640M LE and Iris Plus Graphics 655 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 GeForce GT 640M LE or Iris Plus Graphics 655 here:

GeForce GT 640M LE Laptops

Iris Plus Graphics 655 Laptops

Main Specs

	GeForce GT 640M LE	Iris Plus Graphics 655
Power consumption (TDP)	20 Watt	15 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x1
Memory type	DDR3\DDR5	DDR3/DDR4
Maximum RAM amount	2 GB
Display Connectors	No outputs	No outputs
	Check Price	Check Price

GeForce GT 640M LE has 33% more power consumption, than Iris Plus Graphics 655.
GeForce GT 640M LE is connected by PCIe 2.0 x16, and Iris Plus Graphics 655 uses PCIe 3.0 x1 interface.
Both cards are used in Laptops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and Iris Plus Graphics 655 - with Gen. 9.5 Kaby Lake.
GeForce GT 640M LE is manufactured by 28 nm process technology, and Iris Plus Graphics 655 - by 14 nm process technology.

Game benchmarks


high / 1080p	0−1	12−14
ultra / 1080p	−	7−8
QHD / 1440p	0−1	2−3
low / 720p	1−2	27−30
medium / 1080p	0−1	16−18
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 2700% more, than GeForce GT 640M LE.
high / 1080p	−	21−24
ultra / 1080p	−	18−20
QHD / 1440p	0−1	4−5
low / 720p	0−1	45−50
medium / 1080p	−	21−24
low / 768p	50−55	45−50
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce GT 640M LE in Call of Duty: Warzone is 10% more, than Iris Plus Graphics 655.
low / 768p	60−65	190−200
medium / 768p	27−30	160−170
ultra / 1080p	7−8	85−90
QHD / 1440p	−	45−50
4K / 2160p	−	30−33
high / 768p	16−18	120−130
The average gaming FPS of Iris Plus Graphics 655 in Counter-Strike: Global Offensive is 410% more, than GeForce GT 640M LE.
low / 768p	70−75	55−60
ultra / 1080p	0−1	35−40
medium / 1080p	45−50	45−50
The average gaming FPS of GeForce GT 640M LE in Cyberpunk 2077 is 15% more, than Iris Plus Graphics 655.
low / 768p	45−50	100−110
medium / 768p	10−11	85−90
ultra / 1080p	0−1	55−60
The average gaming FPS of Iris Plus Graphics 655 in Dota 2 is 231% more, than GeForce GT 640M LE.
high / 1080p	−	14−16
ultra / 1080p	−	14−16
4K / 2160p	−	5−6
low / 720p	0−1	30−35
medium / 1080p	−	16−18
high / 1080p	−	21−24
ultra / 1080p	−	16−18
QHD / 1440p	−	16−18
low / 720p	21−24	85−90
medium / 1080p	0−1	45−50
The average gaming FPS of Iris Plus Graphics 655 in Fortnite is 295% more, than GeForce GT 640M LE.
high / 1080p	0−1	21−24
ultra / 1080p	−	16−18
QHD / 1440p	0−1	7−8
low / 720p	0−1	45−50
medium / 1080p	0−1	24−27
low / 768p	18−20	75−80
medium / 768p	−	65−70
high / 1080p	0−1	24−27
ultra / 1080p	−	10−11
QHD / 1440p	0−1	1−2
medium / 720p	12−14	−
The average gaming FPS of Iris Plus Graphics 655 in Grand Theft Auto V is 305% more, than GeForce GT 640M LE.
high / 1080p	−	8−9
ultra / 1080p	−	6−7
4K / 2160p	−	2−3
low / 720p	0−1	24−27
medium / 1080p	−	10−12
low / 768p	75−80	100−110
high / 1080p	27−30	−
ultra / 1080p	−	95−100
medium / 1080p	−	100−110
The average gaming FPS of Iris Plus Graphics 655 in Minecraft is 36% more, than GeForce GT 640M LE.
high / 1080p	−	21−24
ultra / 1080p	−	16−18
low / 720p	8−9	50−55
medium / 1080p	−	21−24
The average gaming FPS of Iris Plus Graphics 655 in PLAYERUNKNOWN'S BATTLEGROUNDS is 550% more, than GeForce GT 640M LE.
high / 1080p	−	12−14
ultra / 1080p	−	9−10
QHD / 1440p	−	0−1
low / 720p	0−1	24−27
medium / 1080p	−	14−16
low / 768p	0−1	45−50
medium / 768p	−	27−30
high / 1080p	−	16−18
ultra / 1080p	−	9−10
4K / 2160p	−	7−8
low / 768p	45−50	95−100
medium / 768p	14−16	55−60
ultra / 1080p	0−1	30−35
high / 768p	12−14	50−55
The average gaming FPS of Iris Plus Graphics 655 in World of Tanks is 176% more, than GeForce GT 640M LE.

Full Specs

	GeForce GT 640M LE	Iris Plus Graphics 655
Architecture	Fermi / Kepler	Gen. 9.5 Kaby Lake
Code name	N13P-LP	Kaby Lake GT3e
Type	Laptop	Laptop
Release date	22 March 2012	1 September 2017
Pipelines	384	48
Core clock speed		300 MHz
Boost Clock		1200 MHz
Transistor count	585 million	189 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate		50.40
Floating-point performance	384.0 gflops
Memory bus width	128bit
Memory clock speed	1800 - 4000 MHz
Shared memory	-	+
DirectX	12 API	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.5	4.6
OpenCL	1.1	2.1
Vulkan	N/A	1.1.103
CUDA	+
CUDA cores	Up to 384
Bus support	PCI Express 2.0, PCI Express 3.0
HDMI	+
HDCP	+
Maximum VGA resolution	Up to 2048x1536
3D Blu-Ray	+
Bitcoin / BTC (SHA256)	14 Mh/s
Laptop size	medium sized
Optimus	+
Quick Sync		+
	Check Price	Check Price

GeForce GT 640M LE vs Iris Plus Graphics 655

GeForce GT 640M LE and Iris Plus Graphics 655 are Laptop Graphics Cards

Main Specs

Game benchmarks

Full Specs

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