GeForce GT 640M LE vs GeForce GT 650M SLI
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and GeForce GT 650M SLI. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640M LE and GeForce GT 650M SLI. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce GT 640M LE and GeForce GT 650M SLI are Laptop Graphics Cards
Note: GeForce GT 640M LE and GeForce GT 650M 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 650M SLI here:
Main Specs
GeForce GT 640M LE
GeForce GT 650M SLI
Power consumption (TDP)
20 Watt
Interface
PCIe 2.0 x16
Memory type
DDR3\DDR5
GDDR5
Maximum RAM amount
2 GB
2x2 GB
Display Connectors
No outputs
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GeForce GT 640M LE and GeForce GT 650M 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 650M SLI - with Kepler.
GeForce GT 640M LE and GeForce GT 650M SLI are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 650M SLI is 2200 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
12−14
ultra / 1080p
−
7−8
QHD / 1440p
0−1
2−3
low / 720p
1−2
24−27
medium / 1080p
0−1
14−16
The average gaming FPS of GeForce GT 650M SLI in Assassin's Creed Odyssey is 2400% more, than GeForce GT 640M LE.
high / 1080p
−
20−22
ultra / 1080p
−
16−18
QHD / 1440p
0−1
3−4
low / 720p
0−1
40−45
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 GeForce GT 650M SLI.
low / 768p
60−65
180−190
medium / 768p
27−30
150−160
ultra / 1080p
7−8
80−85
QHD / 1440p
−
45−50
4K / 2160p
−
30−33
high / 768p
16−18
120−130
The average gaming FPS of GeForce GT 650M SLI in Counter-Strike: Global Offensive is 385% more, than GeForce GT 640M LE.
low / 768p
70−75
55−60
ultra / 1080p
0−1
30−35
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640M LE in Cyberpunk 2077 is 15% more, than GeForce GT 650M SLI.
low / 768p
45−50
100−110
medium / 768p
10−11
80−85
ultra / 1080p
0−1
50−55
The average gaming FPS of GeForce GT 650M SLI in Dota 2 is 220% more, than GeForce GT 640M LE.
high / 1080p
−
14−16
ultra / 1080p
−
12−14
4K / 2160p
−
5−6
low / 720p
0−1
30−35
medium / 1080p
−
14−16
high / 1080p
−
21−24
ultra / 1080p
−
16−18
low / 720p
21−24
85−90
medium / 1080p
0−1
40−45
The average gaming FPS of GeForce GT 650M SLI in Fortnite is 295% more, than GeForce GT 640M LE.
high / 1080p
0−1
21−24
ultra / 1080p
−
16−18
QHD / 1440p
0−1
6−7
low / 720p
0−1
40−45
medium / 1080p
0−1
21−24
low / 768p
18−20
75−80
medium / 768p
−
65−70
high / 1080p
0−1
21−24
ultra / 1080p
−
10−11
QHD / 1440p
0−1
1−2
medium / 720p
12−14
−
The average gaming FPS of GeForce GT 650M SLI 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
21−24
medium / 1080p
−
10−11
low / 768p
75−80
100−110
high / 1080p
27−30
−
ultra / 1080p
−
95−100
medium / 1080p
−
100−110
The average gaming FPS of GeForce GT 650M SLI in Minecraft is 36% more, than GeForce GT 640M LE.
high / 1080p
−
20−22
ultra / 1080p
−
16−18
low / 720p
8−9
45−50
medium / 1080p
−
21−24
The average gaming FPS of GeForce GT 650M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 487% more, than GeForce GT 640M LE.
high / 1080p
−
12−14
ultra / 1080p
−
9−10
QHD / 1440p
−
0−1
low / 720p
0−1
21−24
medium / 1080p
−
14−16
low / 768p
0−1
40−45
medium / 768p
−
27−30
high / 1080p
−
14−16
ultra / 1080p
−
9−10
4K / 2160p
−
7−8
low / 768p
45−50
95−100
medium / 768p
14−16
55−60
ultra / 1080p
0−1
30−33
high / 768p
12−14
45−50
The average gaming FPS of GeForce GT 650M SLI in World of Tanks is 168% more, than GeForce GT 640M LE.
Full Specs
GeForce GT 640M LE
GeForce GT 650M SLI
Architecture
Fermi / Kepler
Kepler
Code name
N13P-LP
N13E-GE
Type
Laptop
Laptop
Release date
22 March 2012
22 March 2012
Pipelines
384
768
Core clock speed
790 MHz
Boost Clock
835 MHz
Transistor count
585 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
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
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
14 Mh/s
Laptop size
medium sized
medium sized
Optimus
+
+
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