GeForce GTX 660 vs GeForce GTX 675M SLI
When choosing between GeForce GTX 660 and GeForce GTX 675M SLI, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 660 and GeForce GTX 675M SLI.
GeForce GTX 675M SLI is a Laptop Graphics Card
Note: GeForce GTX 675M 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 675M SLI here:
Main Specs
GeForce GTX 660
GeForce GTX 675M SLI
Power consumption (TDP)
140 Watt
2x 100 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 660 has 6900% more power consumption, than GeForce GTX 675M SLI.
GeForce GTX 660 is used in Desktops, and GeForce GTX 675M SLI - in Laptops.
GeForce GTX 660 is build with Kepler architecture, and GeForce GTX 675M SLI - with Fermi.
Core clock speed of GeForce GTX 660 is 360 MHz higher, than GeForce GTX 675M SLI.
GeForce GTX 660 is manufactured by 28 nm process technology, and GeForce GTX 675M SLI - by 40 nm process technology.
Memory clock speed of GeForce GTX 675M SLI is 2994 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
20−22
18−20
ultra / 1080p
12−14
10−12
QHD / 1440p
6−7
5−6
4K / 2160p
5−6
4−5
low / 720p
40−45
35−40
medium / 1080p
24−27
24−27
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 11% more, than GeForce GTX 675M SLI.
high / 1080p
30−35
30−33
ultra / 1080p
27−30
24−27
QHD / 1440p
10−12
10−11
4K / 2160p
8−9
7−8
low / 720p
65−70
60−65
medium / 1080p
35−40
30−35
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 7% more, than GeForce GTX 675M SLI.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 660 and GeForce GTX 675M SLI have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
220−230
medium / 768p
200−210
190−200
ultra / 1080p
120−130
110−120
QHD / 1440p
90−95
80−85
4K / 2160p
50−55
40−45
high / 768p
160−170
160−170
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 5% more, than GeForce GTX 675M SLI.
low / 768p
60−65
60−65
ultra / 1080p
50−55
45−50
medium / 1080p
55−60
55−60
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 3% more, than GeForce GTX 675M SLI.
low / 768p
120−130
110−120
medium / 768p
100−110
100−110
ultra / 1080p
80−85
75−80
The average gaming FPS of GeForce GTX 660 in Dota 2 is 5% more, than GeForce GTX 675M SLI.
high / 1080p
24−27
21−24
ultra / 1080p
21−24
21−24
QHD / 1440p
18−20
18−20
4K / 2160p
8−9
7−8
low / 720p
50−55
50−55
medium / 1080p
27−30
24−27
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 8% more, than GeForce GTX 675M SLI.
high / 1080p
30−35
30−35
ultra / 1080p
24−27
21−24
QHD / 1440p
16−18
14−16
low / 720p
120−130
110−120
medium / 1080p
70−75
65−70
The average gaming FPS of GeForce GTX 660 in Fortnite is 8% more, than GeForce GTX 675M SLI.
high / 1080p
30−35
30−35
ultra / 1080p
24−27
24−27
QHD / 1440p
14−16
12−14
4K / 2160p
12−14
12−14
low / 720p
65−70
65−70
medium / 1080p
35−40
35−40
GeForce GTX 660 and GeForce GTX 675M SLI have the same average FPS in Forza Horizon 4.
low / 768p
100−110
100−105
medium / 768p
90−95
90−95
high / 1080p
40−45
35−40
ultra / 1080p
16−18
14−16
QHD / 1440p
7−8
6−7
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 4% more, than GeForce GTX 675M SLI.
high / 1080p
12−14
12−14
ultra / 1080p
10−11
9−10
QHD / 1440p
10−11
−
4K / 2160p
3−4
2−3
low / 720p
40−45
35−40
medium / 1080p
18−20
16−18
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 13% more, than GeForce GTX 675M SLI.
low / 768p
120−130
110−120
medium / 1080p
110−120
110−120
The average gaming FPS of GeForce GTX 660 in Minecraft is 4% more, than GeForce GTX 675M SLI.
ultra / 1080p
14−16
14−16
low / 720p
70−75
65−70
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 6% more, than GeForce GTX 675M SLI.
high / 1080p
14−16
14−16
ultra / 1080p
10−11
10−11
QHD / 1440p
1−2
1−2
4K / 2160p
1−2
0−1
low / 720p
35−40
35−40
medium / 1080p
21−24
20−22
GeForce GTX 660 and GeForce GTX 675M SLI have the same average FPS in Red Dead Redemption 2.
low / 768p
70−75
70−75
medium / 768p
45−50
40−45
high / 1080p
24−27
24−27
ultra / 1080p
14−16
12−14
4K / 2160p
8−9
7−8
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 3% more, than GeForce GTX 675M SLI.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
40−45
high / 768p
55−60
55−60
GeForce GTX 660 and GeForce GTX 675M SLI have the same average FPS in World of Tanks.
Full Specs
GeForce GTX 660
GeForce GTX 675M SLI
Architecture
Kepler
Fermi
Code name
GK106
N12E-GTX2
Type
Desktop
Laptop
Release date
6 September 2012
6 January 2011
Pipelines
960
768
Core clock speed
980 MHz
620 MHz
Boost Clock
1033 MHz
Transistor count
2,540 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
78.4 billion/sec
Floating-point performance
1,981 gflops
Length
9.5" (24.1 cm)
Memory bus width
192-bit GDDR5
256 Bit
Memory clock speed
6.0 GB/s
3000 MHz
Memory bandwidth
144.2 GB/s
Shared memory
-
DirectX
12 (11_0)
DirectX 11, Shader 5.0
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
Optimus
+
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