GeForce GT 640M LE vs GeForce GTX 775M
In this comparison between GeForce GT 640M LE and GeForce GTX 775M 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 GTX 775M will be their preference. Study the comparison tables below and make your choice.
GeForce GT 640M LE and GeForce GTX 775M are Laptop Graphics Cards
Note: GeForce GT 640M LE and GeForce GTX 775M 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 775M here:
Main Specs
GeForce GT 640M LE
GeForce GTX 775M
Power consumption (TDP)
20 Watt
100 Watt
Interface
PCIe 2.0 x16
Memory type
DDR3\DDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
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GeForce GTX 775M has 400% more power consumption, than GeForce GT 640M LE.
GeForce GTX 775M has 2 GB more memory, than GeForce GT 640M LE.
Both cards are used in Laptops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GTX 775M - with Kepler.
GeForce GT 640M LE and GeForce GTX 775M are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 775M is 1800 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
21−24
ultra / 1080p
−
12−14
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
1−2
40−45
medium / 1080p
0−1
27−30
The average gaming FPS of GeForce GTX 775M in Assassin's Creed Odyssey is 4100% more, than GeForce GT 640M LE.
high / 1080p
−
30−35
ultra / 1080p
−
30−33
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
0−1
70−75
medium / 1080p
−
35−40
low / 768p
50−55
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
GeForce GT 640M LE and GeForce GTX 775M have the same average FPS in Call of Duty: Warzone.
low / 768p
60−65
230−240
medium / 768p
27−30
200−210
ultra / 1080p
7−8
120−130
QHD / 1440p
−
95−100
4K / 2160p
−
55−60
high / 768p
16−18
170−180
The average gaming FPS of GeForce GTX 775M in Counter-Strike: Global Offensive is 560% more, than GeForce GT 640M LE.
low / 768p
70−75
60−65
ultra / 1080p
0−1
50−55
medium / 1080p
45−50
55−60
GeForce GT 640M LE and GeForce GTX 775M have the same average FPS in Cyberpunk 2077.
low / 768p
45−50
120−130
medium / 768p
10−11
110−120
ultra / 1080p
0−1
80−85
The average gaming FPS of GeForce GTX 775M in Dota 2 is 313% more, than GeForce GT 640M LE.
high / 1080p
−
27−30
ultra / 1080p
−
24−27
QHD / 1440p
−
20−22
4K / 2160p
−
8−9
low / 720p
0−1
55−60
medium / 1080p
−
27−30
high / 1080p
−
35−40
ultra / 1080p
−
27−30
QHD / 1440p
−
16−18
low / 720p
21−24
130−140
medium / 1080p
0−1
75−80
The average gaming FPS of GeForce GTX 775M in Fortnite is 513% more, than GeForce GT 640M LE.
high / 1080p
0−1
35−40
ultra / 1080p
−
27−30
QHD / 1440p
0−1
14−16
4K / 2160p
−
14−16
low / 720p
0−1
70−75
medium / 1080p
0−1
40−45
low / 768p
18−20
100−110
medium / 768p
−
95−100
high / 1080p
0−1
40−45
ultra / 1080p
−
18−20
QHD / 1440p
0−1
8−9
medium / 720p
12−14
−
The average gaming FPS of GeForce GTX 775M in Grand Theft Auto V is 452% more, than GeForce GT 640M LE.
high / 1080p
−
14−16
ultra / 1080p
−
10−12
QHD / 1440p
−
10−12
4K / 2160p
−
3−4
low / 720p
0−1
40−45
medium / 1080p
−
18−20
low / 768p
75−80
120−130
high / 1080p
27−30
−
medium / 1080p
−
110−120
The average gaming FPS of GeForce GTX 775M in Minecraft is 62% more, than GeForce GT 640M LE.
ultra / 1080p
−
14−16
low / 720p
8−9
70−75
medium / 1080p
−
18−20
The average gaming FPS of GeForce GTX 775M in PLAYERUNKNOWN'S BATTLEGROUNDS is 800% more, than GeForce GT 640M LE.
high / 1080p
−
16−18
ultra / 1080p
−
10−12
QHD / 1440p
−
2−3
4K / 2160p
−
2−3
low / 720p
0−1
40−45
medium / 1080p
−
21−24
low / 768p
0−1
80−85
medium / 768p
−
45−50
high / 1080p
−
27−30
ultra / 1080p
−
14−16
4K / 2160p
−
9−10
low / 768p
45−50
90−95
medium / 768p
14−16
60−65
ultra / 1080p
0−1
40−45
high / 768p
12−14
55−60
The average gaming FPS of GeForce GTX 775M in World of Tanks is 180% more, than GeForce GT 640M LE.
Full Specs
GeForce GT 640M LE
GeForce GTX 775M
Architecture
Fermi / Kepler
Kepler
Code name
N13P-LP
N13E-GTX-A2
Type
Laptop
Laptop
Release date
22 March 2012
24 September 2013
Pipelines
384
1344
Core clock speed
719 MHz
Transistor count
585 million
3540 Million
Manufacturing process technology
28 nm
28 nm
Floating-point performance
384.0 gflops
Memory bus width
128bit
256 Bit
Memory clock speed
1800 - 4000 MHz
3600 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
+
+
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