GeForce GT 640M LE vs GeForce GT 750M SLI
When choosing between GeForce GT 640M LE and GeForce GT 750M 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 GT 750M SLI.
GeForce GT 640M LE and GeForce GT 750M SLI are Laptop Graphics Cards
Note: GeForce GT 640M LE and GeForce GT 750M 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 750M SLI here:
Main Specs
GeForce GT 640M LE
GeForce GT 750M SLI
Power consumption (TDP)
20 Watt
Interface
PCIe 2.0 x16
Memory type
DDR3\DDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
2x 2 GB
Display Connectors
No outputs
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GeForce GT 640M LE and GeForce GT 750M 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 750M SLI - with Kepler.
GeForce GT 640M LE and GeForce GT 750M SLI are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 750M SLI is 200 MHz higher, than GeForce GT 640M LE.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
0−1
14−16
ultra / 1080p
−
8−9
QHD / 1440p
0−1
3−4
low / 720p
1−2
30−33
medium / 1080p
0−1
18−20
The average gaming FPS of GeForce GT 750M SLI in Assassin's Creed Odyssey is 3000% more, than GeForce GT 640M LE.
high / 1080p
−
21−24
ultra / 1080p
−
20−22
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
0−1
50−55
medium / 1080p
−
24−27
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 GeForce GT 750M SLI.
low / 768p
60−65
200−210
medium / 768p
27−30
170−180
ultra / 1080p
7−8
95−100
QHD / 1440p
−
50−55
4K / 2160p
−
30−33
high / 768p
16−18
130−140
The average gaming FPS of GeForce GT 750M SLI in Counter-Strike: Global Offensive is 446% 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 GeForce GT 750M SLI.
low / 768p
45−50
100−110
medium / 768p
10−11
90−95
ultra / 1080p
0−1
60−65
The average gaming FPS of GeForce GT 750M SLI in Dota 2 is 237% more, than GeForce GT 640M LE.
high / 1080p
−
16−18
ultra / 1080p
−
16−18
4K / 2160p
−
6−7
low / 720p
0−1
35−40
medium / 1080p
−
18−20
high / 1080p
−
24−27
ultra / 1080p
−
18−20
QHD / 1440p
−
16−18
low / 720p
21−24
95−100
medium / 1080p
0−1
50−55
The average gaming FPS of GeForce GT 750M 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
8−9
low / 720p
0−1
50−55
medium / 1080p
0−1
27−30
low / 768p
18−20
80−85
medium / 768p
−
75−80
high / 1080p
0−1
27−30
ultra / 1080p
−
12−14
QHD / 1440p
0−1
2−3
medium / 720p
12−14
−
The average gaming FPS of GeForce GT 750M SLI in Grand Theft Auto V is 331% more, than GeForce GT 640M LE.
high / 1080p
−
9−10
ultra / 1080p
−
7−8
4K / 2160p
−
2−3
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 750M SLI in Minecraft is 49% more, than GeForce GT 640M LE.
high / 1080p
−
21−24
ultra / 1080p
−
16−18
low / 720p
8−9
55−60
medium / 1080p
−
24−27
The average gaming FPS of GeForce GT 750M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 612% more, than GeForce GT 640M LE.
high / 1080p
−
14−16
ultra / 1080p
−
9−10
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
−
10−12
4K / 2160p
−
8−9
low / 768p
45−50
100−110
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 750M SLI in World of Tanks is 192% more, than GeForce GT 640M LE.
Full Specs
GeForce GT 640M LE
GeForce GT 750M SLI
Architecture
Fermi / Kepler
Kepler
Code name
N13P-LP
N14P-GT
Type
Laptop
Laptop
Release date
22 March 2012
1 April 2013
Pipelines
384
768
Core clock speed
967 MHz
Transistor count
585 million
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
2000 - 5000 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
+
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