GeForce GT 640M LE vs GeForce GTX 580M SLI
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and GeForce GTX 580M 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 GTX 580M 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 GTX 580M SLI are Laptop Graphics Cards
Note: GeForce GT 640M LE and GeForce GTX 580M 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 580M SLI here:
Main Specs
GeForce GT 640M LE
GeForce GTX 580M SLI
Power consumption (TDP)
20 Watt
100 Watt
Interface
PCIe 2.0 x16
Memory type
DDR3\DDR5
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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GeForce GTX 580M SLI has 400% more power consumption, than GeForce GT 640M LE.
Both cards are used in Laptops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GTX 580M SLI - with Fermi.
GeForce GT 640M LE is manufactured by 28 nm process technology, and GeForce GTX 580M SLI - by 40 nm process technology.
Memory clock speed of GeForce GT 640M LE is 300 MHz higher, than GeForce GTX 580M SLI.
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
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 580M SLI in Assassin's Creed Odyssey is 4600% more, than GeForce GT 640M LE.
high / 1080p
−
35−40
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 580M 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 580M 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 580M 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 580M 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 580M 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 580M 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 580M 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 580M 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 580M SLI in World of Tanks is 180% more, than GeForce GT 640M LE.
Full Specs
GeForce GT 640M LE
GeForce GTX 580M SLI
Architecture
Fermi / Kepler
Fermi
Code name
N13P-LP
N12E-GTX2
Type
Laptop
Laptop
Release date
22 March 2012
6 January 2011
Pipelines
384
768
Core clock speed
620 MHz
Transistor count
585 million
Manufacturing process technology
28 nm
40 nm
Floating-point performance
384.0 gflops
Memory bus width
128bit
256 Bit
Memory clock speed
1800 - 4000 MHz
1500 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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