GeForce GTX 660M vs GeForce GTX 680
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and GeForce GTX 680. 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 660M and GeForce GTX 680. 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 660M is a Laptop Graphics Card
Note: GeForce GTX 660M 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 660M here:
Main Specs
GeForce GTX 660M
GeForce GTX 680
Power consumption (TDP)
50 Watt
195 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2048 MB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 680 has 290% more power consumption, than GeForce GTX 660M.
GeForce GTX 660M is connected by MXM-B (3.0), and GeForce GTX 680 uses PCIe 3.0 x16 interface.
GeForce GTX 680 has 2046 GB more memory, than GeForce GTX 660M.
GeForce GTX 660M is used in Laptops, and GeForce GTX 680 - in Desktops.
GeForce GTX 660M and GeForce GTX 680 are build with Kepler architecture.
Core clock speed of GeForce GTX 680 is 171 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and GeForce GTX 680 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 680 is 4000 MHz higher, than GeForce GTX 660M.
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
6−7
35−40
ultra / 1080p
4−5
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
16−18
60−65
medium / 1080p
8−9
40−45
The average gaming FPS of GeForce GTX 680 in Assassin's Creed Odyssey is 355% more, than GeForce GTX 660M.
high / 1080p
12−14
55−60
ultra / 1080p
10−11
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
24−27
100−110
medium / 1080p
12−14
60−65
The average gaming FPS of GeForce GTX 680 in Battlefield 5 is 353% more, than GeForce GTX 660M.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 680 in Call of Duty: Warzone is 10% more, than GeForce GTX 660M.
low / 768p
130−140
250−260
medium / 768p
110−120
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
27−30
110−120
4K / 2160p
27−30
70−75
high / 768p
80−85
210−220
The average gaming FPS of GeForce GTX 680 in Counter-Strike: Global Offensive is 142% more, than GeForce GTX 660M.
low / 768p
55−60
60−65
ultra / 1080p
18−20
−
medium / 1080p
45−50
55−60
The average gaming FPS of GeForce GTX 680 in Cyberpunk 2077 is 15% more, than GeForce GTX 660M.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of GeForce GTX 680 in Dota 2 is 101% more, than GeForce GTX 660M.
high / 1080p
8−9
45−50
ultra / 1080p
7−8
40−45
QHD / 1440p
−
27−30
4K / 2160p
3−4
14−16
low / 720p
18−20
80−85
medium / 1080p
8−9
45−50
The average gaming FPS of GeForce GTX 680 in Far Cry 5 is 422% more, than GeForce GTX 660M.
high / 1080p
14−16
60−65
ultra / 1080p
10−11
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
21−24
110−120
The average gaming FPS of GeForce GTX 680 in Fortnite is 277% more, than GeForce GTX 660M.
high / 1080p
12−14
60−65
ultra / 1080p
10−12
45−50
QHD / 1440p
1−2
30−35
4K / 2160p
−
24−27
low / 720p
24−27
100−110
medium / 1080p
14−16
65−70
The average gaming FPS of GeForce GTX 680 in Forza Horizon 4 is 384% more, than GeForce GTX 660M.
low / 768p
50−55
140−150
medium / 768p
45−50
120−130
high / 1080p
12−14
70−75
ultra / 1080p
6−7
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of GeForce GTX 680 in Grand Theft Auto V is 220% more, than GeForce GTX 660M.
high / 1080p
4−5
24−27
ultra / 1080p
3−4
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
12−14
65−70
medium / 1080p
6−7
30−35
The average gaming FPS of GeForce GTX 680 in Metro Exodus is 500% more, than GeForce GTX 660M.
low / 768p
95−100
130−140
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
120−130
The average gaming FPS of GeForce GTX 680 in Minecraft is 36% more, than GeForce GTX 660M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 680 in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than GeForce GTX 660M.
high / 1080p
−
24−27
ultra / 1080p
7−8
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
12−14
65−70
medium / 1080p
10−12
35−40
The average gaming FPS of GeForce GTX 680 in Red Dead Redemption 2 is 300% more, than GeForce GTX 660M.
low / 768p
24−27
130−140
medium / 768p
16−18
85−90
high / 1080p
9−10
45−50
ultra / 1080p
6−7
24−27
4K / 2160p
6−7
16−18
The average gaming FPS of GeForce GTX 680 in The Witcher 3: Wild Hunt is 376% more, than GeForce GTX 660M.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
50−55
high / 768p
35−40
60−65
The average gaming FPS of GeForce GTX 680 in World of Tanks is 42% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
GeForce GTX 680
Architecture
Kepler
Kepler
Code name
N13E-GE
GK104
Type
Laptop
Desktop
Release date
22 March 2012
22 March 2012
Pipelines
384
1536
Core clock speed
835 MHz
1006 MHz
Boost Clock
950 MHz
1058 MHz
Transistor count
1,270 million
3,540 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
128.8 billion/sec
Floating-point performance
729.6 gflops
3,090.4 gflops
Length
10.0" (25.4 cm)
Memory bus width
128bit
256-bit GDDR5
Memory clock speed
2000 MHz
6000 MHz
Memory bandwidth
64.0 GB/s
192.2 GB/s
Shared memory
-
-
DirectX
12 API
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.5
4.2
OpenCL
1.1
1.2
Vulkan
1.1.126
1.1.126
CUDA
+
+
CUDA cores
384
1536
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
+
Multi monitor support
4 displays
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
Up to 2048x1536
2048x1536
Audio input for HDMI
Internal
Bitcoin / BTC (SHA256)
36 Mh/s
121 Mh/s
Laptop size
large
Optimus
+
Ethereum / ETH (DaggerHashimoto)
15 Mh/s
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