GeForce GT 640 vs GeForce GTX 280M SLI
In this comparison between GeForce GT 640 and GeForce GTX 280M SLI 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 640 will be the best choice, for others GeForce GTX 280M SLI will be their preference. Study the comparison tables below and make your choice.
GeForce GTX 280M SLI is a Laptop Graphics Card
Note: GeForce GTX 280M SLI is only used in laptop graphics. It has 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 GTX 280M SLI here:
Main Specs
GeForce GT 640
GeForce GTX 280M SLI
Power consumption (TDP)
65 Watt
150 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 280M SLI has 130% more power consumption, than GeForce GT 640.
GeForce GT 640 and GeForce GTX 280M SLI have maximum RAM of 2 GB.
GeForce GT 640 is used in Desktops, and GeForce GTX 280M SLI - in Laptops.
GeForce GT 640 is build with Kepler architecture, and GeForce GTX 280M SLI - with G9x.
Core clock speed of GeForce GT 640 is 317 MHz higher, than GeForce GTX 280M SLI.
GeForce GT 640 is manufactured by 28 nm process technology, and GeForce GTX 280M SLI - by 55 nm process technology.
Memory clock speed of GeForce GT 640 is 832 MHz higher, than GeForce GTX 280M 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
2−3
12−14
ultra / 1080p
1−2
7−8
QHD / 1440p
0−1
2−3
low / 720p
14−16
24−27
medium / 1080p
5−6
14−16
The average gaming FPS of GeForce GTX 280M SLI in Assassin's Creed Odyssey is 150% more, than GeForce GT 640.
high / 1080p
7−8
18−20
ultra / 1080p
5−6
16−18
QHD / 1440p
0−1
3−4
low / 720p
20−22
40−45
medium / 1080p
7−8
21−24
The average gaming FPS of GeForce GTX 280M SLI in Battlefield 5 is 150% more, than GeForce GT 640.
low / 768p
50−55
45−50
high / 1080p
35−40
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640 in Call of Duty: Warzone is 10% more, than GeForce GTX 280M SLI.
low / 768p
110−120
180−190
medium / 768p
90−95
150−160
ultra / 1080p
45−50
80−85
QHD / 1440p
24−27
45−50
4K / 2160p
18−20
30−33
high / 768p
65−70
120−130
The average gaming FPS of GeForce GTX 280M SLI in Counter-Strike: Global Offensive is 70% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
30−35
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 4% more, than GeForce GTX 280M SLI.
low / 768p
70−75
100−110
medium / 768p
50−55
80−85
ultra / 1080p
27−30
50−55
The average gaming FPS of GeForce GTX 280M SLI in Dota 2 is 56% more, than GeForce GT 640.
high / 1080p
3−4
14−16
ultra / 1080p
3−4
12−14
4K / 2160p
2−3
5−6
low / 720p
14−16
30−35
medium / 1080p
4−5
14−16
The average gaming FPS of GeForce GTX 280M SLI in Far Cry 5 is 220% more, than GeForce GT 640.
high / 1080p
10−12
21−24
ultra / 1080p
5−6
16−18
QHD / 1440p
2−3
−
low / 720p
50−55
85−90
medium / 1080p
16−18
40−45
The average gaming FPS of GeForce GTX 280M SLI in Fortnite is 100% more, than GeForce GT 640.
high / 1080p
6−7
21−24
ultra / 1080p
−
16−18
QHD / 1440p
4−5
6−7
4K / 2160p
2−3
−
low / 720p
21−24
40−45
medium / 1080p
9−10
21−24
The average gaming FPS of GeForce GTX 280M SLI in Forza Horizon 4 is 130% more, than GeForce GT 640.
low / 768p
45−50
70−75
medium / 768p
−
65−70
high / 1080p
7−8
21−24
ultra / 1080p
3−4
10−11
QHD / 1440p
0−1
1−2
medium / 720p
40−45
−
The average gaming FPS of GeForce GTX 280M SLI in Grand Theft Auto V is 84% more, than GeForce GT 640.
high / 1080p
2−3
8−9
ultra / 1080p
0−1
6−7
4K / 2160p
0−1
2−3
low / 720p
8−9
21−24
medium / 1080p
4−5
10−11
The average gaming FPS of GeForce GTX 280M SLI in Metro Exodus is 160% more, than GeForce GT 640.
low / 768p
80−85
100−110
ultra / 1080p
70−75
95−100
medium / 1080p
−
100−110
The average gaming FPS of GeForce GTX 280M SLI in Minecraft is 31% more, than GeForce GT 640.
high / 1080p
−
20−22
ultra / 1080p
12−14
16−18
low / 720p
27−30
45−50
medium / 1080p
14−16
21−24
The average gaming FPS of GeForce GTX 280M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 61% more, than GeForce GT 640.
high / 1080p
6−7
12−14
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
0−1
low / 720p
7−8
21−24
medium / 1080p
−
14−16
The average gaming FPS of GeForce GTX 280M SLI in Red Dead Redemption 2 is 150% more, than GeForce GT 640.
low / 768p
14−16
40−45
medium / 768p
10−11
27−30
high / 1080p
5−6
14−16
ultra / 1080p
4−5
9−10
4K / 2160p
0−1
7−8
The average gaming FPS of GeForce GTX 280M SLI in The Witcher 3: Wild Hunt is 187% more, than GeForce GT 640.
low / 768p
70−75
95−100
medium / 768p
35−40
55−60
ultra / 1080p
16−18
30−33
high / 768p
30−35
45−50
The average gaming FPS of GeForce GTX 280M SLI in World of Tanks is 48% more, than GeForce GT 640.
Full Specs
GeForce GT 640
GeForce GTX 280M SLI
Architecture
Kepler
G9x
Code name
GK107
N10E-GTX
Type
Desktop
Laptop
Release date
5 June 2012
2 March 2009
Pipelines
384
256
Core clock speed
902 MHz
585 MHz
Transistor count
1,270 million
1508 Million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
28.86
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
950 MHz
Memory bandwidth
28.51 GB/s
Shared memory
-
DirectX
12 (11_0)
DirectX 10, Shader 4.0
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.126
CUDA
3.0
+
Bitcoin / BTC (SHA256)
24 Mh/s
Laptop size
large
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