GeForce GT 640M LE vs GeForce GT 755M SLI

In this comparison between GeForce GT 640M LE and GeForce GT 755M SLI 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 640M LE will be the best choice, for others GeForce GT 755M SLI will be their preference. Study the comparison tables below and make your choice.

GeForce GT 640M LE Check Price

GeForce GT 755M SLI Check Price

GeForce GT 640M LE and GeForce GT 755M SLI are Laptop Graphics Cards

Note: GeForce GT 640M LE and GeForce GT 755M SLI 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 GeForce GT 755M SLI here:

GeForce GT 640M LE Laptops

GeForce GT 755M SLI Laptops

Main Specs

	GeForce GT 640M LE	GeForce GT 755M SLI
Power consumption (TDP)	20 Watt	2x ~50 Watt
Interface	PCIe 2.0 x16
Memory type	DDR3\DDR5	GDDR5
Maximum RAM amount	2 GB	2x 2 GB
Display Connectors	No outputs
	Check Price	Check Price

GeForce GT 640M LE has 900% more power consumption, than GeForce GT 755M SLI.
GeForce GT 640M LE and GeForce GT 755M SLI have maximum RAM of 2 GB.
Both cards are used in Laptops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GT 755M SLI - with Kepler.
GeForce GT 640M LE and GeForce GT 755M SLI are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 755M SLI is 3600 MHz higher, than GeForce GT 640M LE.

Game benchmarks


high / 1080p	0−1	14−16
ultra / 1080p	−	8−9
QHD / 1440p	0−1	2−3
low / 720p	1−2	30−35
medium / 1080p	0−1	18−20
The average gaming FPS of GeForce GT 755M SLI in Assassin's Creed Odyssey is 3100% more, than GeForce GT 640M LE.
high / 1080p	−	21−24
ultra / 1080p	−	18−20
QHD / 1440p	0−1	2−3
low / 720p	0−1	50−55
medium / 1080p	−	24−27
low / 768p	50−55	50−55
high / 1080p	45−50	45−50
QHD / 1440p	0−1	0−1
GeForce GT 640M LE and GeForce GT 755M SLI have the same average FPS in Call of Duty: Warzone.
low / 768p	60−65	200−210
medium / 768p	27−30	170−180
ultra / 1080p	7−8	90−95
QHD / 1440p	−	50−55
4K / 2160p	−	24−27
high / 768p	16−18	140−150
The average gaming FPS of GeForce GT 755M SLI in Counter-Strike: Global Offensive is 450% more, than GeForce GT 640M LE.
low / 768p	70−75	60−65
ultra / 1080p	0−1	40−45
medium / 1080p	45−50	55−60
GeForce GT 640M LE and GeForce GT 755M SLI have the same average FPS in Cyberpunk 2077.
low / 768p	45−50	110−120
medium / 768p	10−11	95−100
ultra / 1080p	0−1	60−65
The average gaming FPS of GeForce GT 755M SLI in Dota 2 is 265% more, than GeForce GT 640M LE.
high / 1080p	−	16−18
ultra / 1080p	−	14−16
4K / 2160p	−	5−6
low / 720p	0−1	35−40
medium / 1080p	−	18−20
high / 1080p	−	24−27
ultra / 1080p	−	18−20
QHD / 1440p	−	12−14
low / 720p	21−24	95−100
medium / 1080p	0−1	50−55
The average gaming FPS of GeForce GT 755M SLI in Fortnite is 340% more, than GeForce GT 640M LE.
high / 1080p	0−1	24−27
ultra / 1080p	−	18−20
QHD / 1440p	0−1	7−8
low / 720p	0−1	50−55
medium / 1080p	0−1	27−30
low / 768p	18−20	85−90
medium / 768p	−	75−80
high / 1080p	0−1	27−30
ultra / 1080p	−	10−12
QHD / 1440p	0−1	1−2
medium / 720p	12−14	−
The average gaming FPS of GeForce GT 755M SLI in Grand Theft Auto V is 357% more, than GeForce GT 640M LE.
high / 1080p	−	9−10
ultra / 1080p	−	7−8
4K / 2160p	−	0−1
low / 720p	0−1	27−30
medium / 1080p	−	12−14
low / 768p	75−80	110−120
high / 1080p	27−30	−
ultra / 1080p	−	100−110
medium / 1080p	−	100−110
The average gaming FPS of GeForce GT 755M SLI in Minecraft is 49% more, than GeForce GT 640M LE.
ultra / 1080p	−	14−16
low / 720p	8−9	55−60
medium / 1080p	−	18−20
The average gaming FPS of GeForce GT 755M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 612% more, than GeForce GT 640M LE.
high / 1080p	−	12−14
ultra / 1080p	−	8−9
QHD / 1440p	−	0−1
low / 720p	0−1	27−30
medium / 1080p	−	16−18
low / 768p	0−1	50−55
medium / 768p	−	30−35
high / 1080p	−	18−20
ultra / 1080p	−	10−11
4K / 2160p	−	6−7
low / 768p	45−50	90−95
medium / 768p	14−16	60−65
ultra / 1080p	0−1	30−35
high / 768p	12−14	50−55
The average gaming FPS of GeForce GT 755M SLI in World of Tanks is 176% more, than GeForce GT 640M LE.

Full Specs

	GeForce GT 640M LE	GeForce GT 755M SLI
Architecture	Fermi / Kepler	Kepler
Code name	N13P-LP	N14P-?
Type	Laptop	Laptop
Release date	22 March 2012	1 November 2013
Pipelines	384	768
Core clock speed		980 MHz
Transistor count	585 million	2x 1300 Million
Manufacturing process technology	28 nm	28 nm
Floating-point performance	384.0 gflops
Memory bus width	128bit	2x 128 Bit
Memory clock speed	1800 - 4000 MHz	5400 MHz
Shared memory	-	-
DirectX	12 API	DirectX 11, Shader 5.0
Shader Model	5.1
OpenGL	4.5
OpenCL	1.1
Vulkan	N/A
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	large
Optimus	+
	Check Price	Check Price

GeForce GT 640M LE vs GeForce GT 755M SLI

GeForce GT 640M LE and GeForce GT 755M SLI are Laptop Graphics Cards

Main Specs

Game benchmarks

Full Specs

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