GeForce GTX 660M vs Maxwell GPU Surface Book 940M GDDR5
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Maxwell GPU Surface Book 940M GDDR5. 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 Maxwell GPU Surface Book 940M GDDR5. 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 and Maxwell GPU Surface Book 940M GDDR5 are Laptop Graphics Cards
Note: GeForce GTX 660M and Maxwell GPU Surface Book 940M GDDR5 are only used in laptop graphics. They have 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 or Maxwell GPU Surface Book 940M GDDR5 here:
Main Specs
GeForce GTX 660M
Maxwell GPU Surface Book 940M GDDR5
Power consumption (TDP)
50 Watt
Interface
MXM-B (3.0)
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
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GeForce GTX 660M has 1 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
Both cards are used in Laptops.
GeForce GTX 660M is build with Kepler architecture, and Maxwell GPU Surface Book 940M GDDR5 - with Maxwell.
Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 119 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and Maxwell GPU Surface Book 940M GDDR5 are manufactured by 28 nm process technology.
Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3012 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
9−10
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
8−9
12−14
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 33% more, than GeForce GTX 660M.
high / 1080p
12−14
16−18
ultra / 1080p
10−11
14−16
QHD / 1440p
0−1
0−1
low / 720p
24−27
30−35
medium / 1080p
12−14
16−18
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Battlefield 5 is 33% more, than GeForce GTX 660M.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
GeForce GTX 660M and Maxwell GPU Surface Book 940M GDDR5 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
160−170
medium / 768p
110−120
130−140
ultra / 1080p
50−55
70−75
QHD / 1440p
27−30
40−45
4K / 2160p
27−30
30−33
high / 768p
80−85
100−110
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Counter-Strike: Global Offensive is 24% more, than GeForce GTX 660M.
low / 768p
55−60
55−60
ultra / 1080p
18−20
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Cyberpunk 2077 is 7% more, than GeForce GTX 660M.
low / 768p
80−85
90−95
medium / 768p
55−60
70−75
ultra / 1080p
30−35
45−50
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Dota 2 is 22% more, than GeForce GTX 660M.
high / 1080p
8−9
10−12
ultra / 1080p
7−8
10−11
4K / 2160p
3−4
4−5
low / 720p
18−20
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Far Cry 5 is 33% more, than GeForce GTX 660M.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
low / 720p
60−65
75−80
medium / 1080p
21−24
30−35
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Fortnite is 29% more, than GeForce GTX 660M.
high / 1080p
12−14
16−18
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
4−5
low / 720p
24−27
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Forza Horizon 4 is 38% more, than GeForce GTX 660M.
low / 768p
50−55
65−70
medium / 768p
45−50
55−60
high / 1080p
12−14
18−20
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Grand Theft Auto V is 31% more, than GeForce GTX 660M.
high / 1080p
4−5
6−7
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
low / 720p
12−14
18−20
medium / 1080p
6−7
8−9
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Metro Exodus is 50% more, than GeForce GTX 660M.
low / 768p
95−100
100−110
high / 1080p
90−95
−
ultra / 1080p
80−85
90−95
medium / 1080p
90−95
95−100
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Minecraft is 8% more, than GeForce GTX 660M.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
40−45
medium / 1080p
18−20
20−22
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in PLAYERUNKNOWN'S BATTLEGROUNDS is 20% more, than GeForce GTX 660M.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
18−20
medium / 1080p
10−12
12−14
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Red Dead Redemption 2 is 30% more, than GeForce GTX 660M.
low / 768p
24−27
35−40
medium / 768p
16−18
21−24
high / 1080p
9−10
12−14
ultra / 1080p
6−7
8−9
4K / 2160p
6−7
7−8
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in The Witcher 3: Wild Hunt is 30% more, than GeForce GTX 660M.
low / 768p
85−90
90−95
medium / 768p
45−50
50−55
ultra / 1080p
18−20
24−27
high / 768p
35−40
40−45
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in World of Tanks is 12% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
Maxwell GPU Surface Book 940M GDDR5
Architecture
Kepler
Maxwell
Code name
N13E-GE
Surface Book
Type
Laptop
Laptop
Release date
22 March 2012
1 October 2015
Pipelines
384
384
Core clock speed
835 MHz
954 MHz
Boost Clock
950 MHz
993 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
Floating-point performance
729.6 gflops
Memory bus width
128bit
64 Bit
Memory clock speed
2000 MHz
5012 MHz
Memory bandwidth
64.0 GB/s
Shared memory
-
-
DirectX
12 API
DirectX 12 (FL 11_0), Shader 5.0
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
Vulkan
1.1.126
CUDA
+
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Bitcoin / BTC (SHA256)
36 Mh/s
Laptop size
large
Optimus
+
+
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