GeForce GT 755M SLI vs GeForce GTX 660
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M SLI and GeForce GTX 660. 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 755M SLI and GeForce GTX 660. 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 755M SLI is a Laptop Graphics Card
Note: GeForce GT 755M 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 GT 755M SLI here:
Main Specs
GeForce GT 755M SLI
GeForce GTX 660
Power consumption (TDP)
2x ~50 Watt
140 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 2 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 660 has 6900% more power consumption, than GeForce GT 755M SLI.
GeForce GT 755M SLI and GeForce GTX 660 have maximum RAM of 2 GB.
GeForce GT 755M SLI is used in Laptops, and GeForce GTX 660 - in Desktops.
GeForce GT 755M SLI and GeForce GTX 660 are build with Kepler architecture.
Both graphics cards have the same core clock speed.
GeForce GT 755M SLI and GeForce GTX 660 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 755M SLI is 5394 MHz higher, than GeForce GTX 660.
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
14−16
20−22
ultra / 1080p
8−9
12−14
QHD / 1440p
2−3
6−7
4K / 2160p
−
5−6
low / 720p
30−35
40−45
medium / 1080p
18−20
24−27
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 40% more, than GeForce GT 755M SLI.
high / 1080p
21−24
30−35
ultra / 1080p
18−20
27−30
QHD / 1440p
2−3
10−12
4K / 2160p
−
8−9
low / 720p
50−55
65−70
medium / 1080p
24−27
35−40
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 45% more, than GeForce GT 755M SLI.
low / 768p
50−55
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
GeForce GT 755M SLI and GeForce GTX 660 have the same average FPS in Call of Duty: Warzone.
low / 768p
200−210
230−240
medium / 768p
170−180
200−210
ultra / 1080p
90−95
120−130
QHD / 1440p
50−55
90−95
4K / 2160p
24−27
50−55
high / 768p
140−150
160−170
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 26% more, than GeForce GT 755M SLI.
low / 768p
60−65
60−65
ultra / 1080p
40−45
50−55
medium / 1080p
55−60
55−60
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 5% more, than GeForce GT 755M SLI.
low / 768p
110−120
120−130
medium / 768p
95−100
100−110
ultra / 1080p
60−65
80−85
The average gaming FPS of GeForce GTX 660 in Dota 2 is 14% more, than GeForce GT 755M SLI.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
21−24
QHD / 1440p
−
18−20
4K / 2160p
5−6
8−9
low / 720p
35−40
50−55
medium / 1080p
18−20
27−30
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 50% more, than GeForce GT 755M SLI.
high / 1080p
24−27
30−35
ultra / 1080p
18−20
24−27
QHD / 1440p
12−14
16−18
low / 720p
95−100
120−130
medium / 1080p
50−55
70−75
The average gaming FPS of GeForce GTX 660 in Fortnite is 31% more, than GeForce GT 755M SLI.
high / 1080p
24−27
30−35
ultra / 1080p
18−20
24−27
QHD / 1440p
7−8
14−16
4K / 2160p
−
12−14
low / 720p
50−55
65−70
medium / 1080p
27−30
35−40
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 34% more, than GeForce GT 755M SLI.
low / 768p
85−90
100−110
medium / 768p
75−80
90−95
high / 1080p
27−30
40−45
ultra / 1080p
10−12
16−18
QHD / 1440p
1−2
7−8
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 26% more, than GeForce GT 755M SLI.
high / 1080p
9−10
12−14
ultra / 1080p
7−8
10−11
QHD / 1440p
−
10−11
4K / 2160p
0−1
3−4
low / 720p
27−30
40−45
medium / 1080p
12−14
18−20
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 50% more, than GeForce GT 755M SLI.
low / 768p
110−120
120−130
ultra / 1080p
100−110
−
medium / 1080p
100−110
110−120
The average gaming FPS of GeForce GTX 660 in Minecraft is 9% more, than GeForce GT 755M SLI.
ultra / 1080p
14−16
14−16
low / 720p
55−60
70−75
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 16% more, than GeForce GT 755M SLI.
high / 1080p
12−14
14−16
ultra / 1080p
8−9
10−11
QHD / 1440p
0−1
1−2
4K / 2160p
−
1−2
low / 720p
27−30
35−40
medium / 1080p
16−18
21−24
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 31% more, than GeForce GT 755M SLI.
low / 768p
50−55
70−75
medium / 768p
30−35
45−50
high / 1080p
18−20
24−27
ultra / 1080p
10−11
14−16
4K / 2160p
6−7
8−9
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 37% more, than GeForce GT 755M SLI.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
30−35
40−45
high / 768p
50−55
55−60
The average gaming FPS of GeForce GTX 660 in World of Tanks is 5% more, than GeForce GT 755M SLI.
Full Specs
GeForce GT 755M SLI
GeForce GTX 660
Architecture
Kepler
Kepler
Code name
N14P-?
GK106
Type
Laptop
Desktop
Release date
1 November 2013
6 September 2012
Pipelines
768
960
Core clock speed
980 MHz
980 MHz
Boost Clock
1033 MHz
Transistor count
2x 1300 Million
2,540 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
78.4 billion/sec
Floating-point performance
1,981 gflops
Length
9.5" (24.1 cm)
Memory bus width
2x 128 Bit
192-bit GDDR5
Memory clock speed
5400 MHz
6.0 GB/s
Memory bandwidth
144.2 GB/s
Shared memory
-
DirectX
DirectX 11, Shader 5.0
12 (11_0)
Shader Model
5.1
OpenGL
4.3
OpenCL
1.2
Vulkan
1.1.126
CUDA
+
+
CUDA cores
960
Bus support
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
Multi monitor support
4 displays
HDMI
+
HDCP
+
Maximum VGA resolution
2048x1536
Audio input for HDMI
Internal
3D Blu-Ray
+
3D Gaming
+
3D Vision
+
Bitcoin / BTC (SHA256)
66 Mh/s
Laptop size
large
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