GeForce GTX 660 vs GeForce GTX 670MX SLI
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and GeForce GTX 670MX 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 GTX 660 and GeForce GTX 670MX 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 GTX 670MX SLI is a Laptop Graphics Card
Note: GeForce GTX 670MX 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 670MX SLI here:
Main Specs
GeForce GTX 660
GeForce GTX 670MX SLI
Power consumption (TDP)
140 Watt
150 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
Check Price
Check Price
GeForce GTX 670MX SLI has 7% more power consumption, than GeForce GTX 660.
GeForce GTX 660 is used in Desktops, and GeForce GTX 670MX SLI - in Laptops.
GeForce GTX 660 and GeForce GTX 670MX SLI are build with Kepler architecture.
Core clock speed of GeForce GTX 660 is 380 MHz higher, than GeForce GTX 670MX SLI.
GeForce GTX 660 and GeForce GTX 670MX SLI are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 670MX SLI is 2794 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
21−24
ultra / 1080p
12−14
14−16
QHD / 1440p
6−7
8−9
4K / 2160p
5−6
5−6
low / 720p
40−45
40−45
medium / 1080p
24−27
27−30
The average gaming FPS of GeForce GTX 670MX SLI in Assassin's Creed Odyssey is 5% more, than GeForce GTX 660.
high / 1080p
30−35
35−40
ultra / 1080p
27−30
30−35
QHD / 1440p
10−12
14−16
4K / 2160p
8−9
9−10
low / 720p
65−70
75−80
medium / 1080p
35−40
40−45
The average gaming FPS of GeForce GTX 670MX SLI in Battlefield 5 is 16% more, than GeForce GTX 660.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 660 and GeForce GTX 670MX SLI have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
230−240
medium / 768p
200−210
210−220
ultra / 1080p
120−130
130−140
QHD / 1440p
90−95
100−110
4K / 2160p
50−55
55−60
high / 768p
160−170
170−180
The average gaming FPS of GeForce GTX 670MX SLI in Counter-Strike: Global Offensive is 5% more, than GeForce GTX 660.
low / 768p
60−65
60−65
ultra / 1080p
50−55
55−60
medium / 1080p
55−60
55−60
The average gaming FPS of GeForce GTX 670MX SLI in Cyberpunk 2077 is 3% more, than GeForce GTX 660.
low / 768p
120−130
120−130
medium / 768p
100−110
110−120
ultra / 1080p
80−85
85−90
The average gaming FPS of GeForce GTX 670MX SLI in Dota 2 is 4% more, than GeForce GTX 660.
high / 1080p
24−27
27−30
ultra / 1080p
21−24
24−27
QHD / 1440p
18−20
21−24
4K / 2160p
8−9
9−10
low / 720p
50−55
55−60
medium / 1080p
27−30
30−33
The average gaming FPS of GeForce GTX 670MX SLI in Far Cry 5 is 11% more, than GeForce GTX 660.
high / 1080p
30−35
35−40
ultra / 1080p
24−27
27−30
QHD / 1440p
16−18
16−18
low / 720p
120−130
130−140
medium / 1080p
70−75
80−85
The average gaming FPS of GeForce GTX 670MX SLI in Fortnite is 11% more, than GeForce GTX 660.
high / 1080p
30−35
35−40
ultra / 1080p
24−27
27−30
QHD / 1440p
14−16
16−18
4K / 2160p
12−14
14−16
low / 720p
65−70
75−80
medium / 1080p
35−40
40−45
The average gaming FPS of GeForce GTX 670MX SLI in Forza Horizon 4 is 16% more, than GeForce GTX 660.
low / 768p
100−110
110−120
medium / 768p
90−95
100−105
high / 1080p
40−45
45−50
ultra / 1080p
16−18
18−20
QHD / 1440p
7−8
9−10
The average gaming FPS of GeForce GTX 670MX SLI in Grand Theft Auto V is 11% more, than GeForce GTX 660.
high / 1080p
12−14
14−16
ultra / 1080p
10−11
12−14
QHD / 1440p
10−11
10−12
4K / 2160p
3−4
3−4
low / 720p
40−45
45−50
medium / 1080p
18−20
20−22
The average gaming FPS of GeForce GTX 670MX SLI in Metro Exodus is 12% more, than GeForce GTX 660.
low / 768p
120−130
120−130
medium / 1080p
110−120
110−120
GeForce GTX 660 and GeForce GTX 670MX SLI have the same average FPS in Minecraft.
ultra / 1080p
14−16
14−16
low / 720p
70−75
75−80
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 670MX SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than GeForce GTX 660.
high / 1080p
14−16
16−18
ultra / 1080p
10−11
10−12
QHD / 1440p
1−2
3−4
4K / 2160p
1−2
2−3
low / 720p
35−40
40−45
medium / 1080p
21−24
21−24
The average gaming FPS of GeForce GTX 670MX SLI in Red Dead Redemption 2 is 14% more, than GeForce GTX 660.
low / 768p
70−75
80−85
medium / 768p
45−50
50−55
high / 1080p
24−27
27−30
ultra / 1080p
14−16
16−18
4K / 2160p
8−9
9−10
The average gaming FPS of GeForce GTX 670MX SLI in The Witcher 3: Wild Hunt is 15% more, than GeForce GTX 660.
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 670MX SLI have the same average FPS in World of Tanks.
Full Specs
GeForce GTX 660
GeForce GTX 670MX SLI
Architecture
Kepler
Kepler
Code name
GK106
N13E-GR
Type
Desktop
Laptop
Release date
6 September 2012
1 October 2012
Pipelines
960
1920
Core clock speed
980 MHz
600 MHz
Boost Clock
1033 MHz
Transistor count
2,540 million
5080 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
192-bit GDDR5
2x 192 Bit
Memory clock speed
6.0 GB/s
2800 MHz
Memory bandwidth
144.2 GB/s
Shared memory
-
DirectX
12 (11_0)
DirectX 11, Shader 5.1
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
+
Check Price
Check Price