GeForce GT 640M LE vs GeForce GTX 770M SLI

When choosing between GeForce GT 640M LE and GeForce GTX 770M SLI, 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 GeForce GTX 770M SLI.

GeForce GT 640M LE Check Price

GeForce GTX 770M SLI Check Price

GeForce GT 640M LE and GeForce GTX 770M SLI are Laptop Graphics Cards

Note: GeForce GT 640M LE and GeForce GTX 770M 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 GTX 770M SLI here:

GeForce GT 640M LE Laptops

GeForce GTX 770M SLI Laptops

Main Specs

	GeForce GT 640M LE	GeForce GTX 770M SLI
Power consumption (TDP)	20 Watt	150 Watt
Interface	PCIe 2.0 x16
Memory type	DDR3\DDR5	GDDR5
Maximum RAM amount	2 GB	2x 3 GB
Display Connectors	No outputs
	Check Price	Check Price

GeForce GTX 770M SLI has 650% more power consumption, than GeForce GT 640M LE.
GeForce GT 640M LE and GeForce GTX 770M 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 GTX 770M SLI - with Kepler.
GeForce GT 640M LE and GeForce GTX 770M SLI are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 770M SLI is 2200 MHz higher, than GeForce GT 640M LE.

Game benchmarks


high / 1080p	0−1	24−27
ultra / 1080p	−	14−16
QHD / 1440p	0−1	10−11
4K / 2160p	−	6−7
low / 720p	1−2	45−50
medium / 1080p	0−1	30−35
The average gaming FPS of GeForce GTX 770M SLI in Assassin's Creed Odyssey is 4600% more, than GeForce GT 640M LE.
high / 1080p	−	40−45
ultra / 1080p	−	30−35
QHD / 1440p	0−1	18−20
4K / 2160p	−	10−12
low / 720p	0−1	80−85
medium / 1080p	−	45−50
low / 768p	50−55	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
GeForce GT 640M LE and GeForce GTX 770M SLI have the same average FPS in Call of Duty: Warzone.
low / 768p	60−65	240−250
medium / 768p	27−30	210−220
ultra / 1080p	7−8	140−150
QHD / 1440p	−	110−120
4K / 2160p	−	60−65
high / 768p	16−18	180−190
The average gaming FPS of GeForce GTX 770M SLI in Counter-Strike: Global Offensive is 603% more, than GeForce GT 640M LE.
low / 768p	70−75	60−65
ultra / 1080p	0−1	−
medium / 1080p	45−50	55−60
GeForce GT 640M LE and GeForce GTX 770M SLI have the same average FPS in Cyberpunk 2077.
low / 768p	45−50	120−130
medium / 768p	10−11	110−120
ultra / 1080p	0−1	90−95
The average gaming FPS of GeForce GTX 770M SLI in Dota 2 is 313% more, than GeForce GT 640M LE.
high / 1080p	−	30−35
ultra / 1080p	−	27−30
QHD / 1440p	−	21−24
4K / 2160p	−	10−11
low / 720p	0−1	60−65
medium / 1080p	−	30−35
high / 1080p	−	40−45
ultra / 1080p	−	30−35
QHD / 1440p	−	18−20
low / 720p	21−24	140−150
medium / 1080p	0−1	85−90
The average gaming FPS of GeForce GTX 770M SLI in Fortnite is 559% more, than GeForce GT 640M LE.
high / 1080p	0−1	40−45
ultra / 1080p	−	30−35
QHD / 1440p	0−1	18−20
4K / 2160p	−	16−18
low / 720p	0−1	80−85
medium / 1080p	0−1	45−50
low / 768p	18−20	110−120
medium / 768p	−	100−110
high / 1080p	0−1	50−55
ultra / 1080p	−	21−24
QHD / 1440p	0−1	10−12
medium / 720p	12−14	−
The average gaming FPS of GeForce GTX 770M SLI in Grand Theft Auto V is 505% more, than GeForce GT 640M LE.
high / 1080p	−	16−18
ultra / 1080p	−	12−14
QHD / 1440p	−	12−14
4K / 2160p	−	4−5
low / 720p	0−1	45−50
medium / 1080p	−	21−24
low / 768p	75−80	120−130
high / 1080p	27−30	−
medium / 1080p	−	110−120
The average gaming FPS of GeForce GTX 770M SLI in Minecraft is 62% more, than GeForce GT 640M LE.
ultra / 1080p	−	14−16
low / 720p	8−9	80−85
medium / 1080p	−	18−20
The average gaming FPS of GeForce GTX 770M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 925% more, than GeForce GT 640M LE.
high / 1080p	−	18−20
ultra / 1080p	−	12−14
QHD / 1440p	−	4−5
4K / 2160p	−	3−4
low / 720p	0−1	45−50
medium / 1080p	−	24−27
low / 768p	0−1	90−95
medium / 768p	−	55−60
high / 1080p	−	30−35
ultra / 1080p	−	18−20
4K / 2160p	−	10−11
low / 768p	45−50	90−95
medium / 768p	14−16	60−65
ultra / 1080p	0−1	45−50
high / 768p	12−14	55−60
The average gaming FPS of GeForce GTX 770M SLI in World of Tanks is 180% more, than GeForce GT 640M LE.

Full Specs

	GeForce GT 640M LE	GeForce GTX 770M SLI
Architecture	Fermi / Kepler	Kepler
Code name	N13P-LP
Type	Laptop	Laptop
Release date	22 March 2012	30 May 2013
Pipelines	384	1920
Core clock speed		811 MHz
Transistor count	585 million	2x 2540 Million
Manufacturing process technology	28 nm	28 nm
Floating-point performance	384.0 gflops
Memory bus width	128bit	2x 192 Bit
Memory clock speed	1800 - 4000 MHz	4000 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
SLI options		+
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 GTX 770M SLI

GeForce GT 640M LE and GeForce GTX 770M SLI are Laptop Graphics Cards

Main Specs

Game benchmarks

Full Specs

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