GeForce 940MX vs GeForce GTX 660 Ti
When choosing between GeForce 940MX and GeForce GTX 660 Ti, 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 940MX and GeForce GTX 660 Ti.
GeForce 940MX is a Laptop Graphics Card
Note: GeForce 940MX 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 940MX here:
Main Specs
GeForce 940MX
GeForce GTX 660 Ti
Power consumption (TDP)
23 Watt
150 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
Two 6-pin
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 660 Ti has 552% more power consumption, than GeForce 940MX.
GeForce 940MX is connected by PCIe 3.0 x8, and GeForce GTX 660 Ti uses PCIe 3.0 x16 interface.
GeForce 940MX has 2 GB more memory, than GeForce GTX 660 Ti.
GeForce 940MX is used in Laptops, and GeForce GTX 660 Ti - in Desktops.
GeForce 940MX is build with Maxwell architecture, and GeForce GTX 660 Ti - with Kepler.
Core clock speed of GeForce 940MX is 207 MHz higher, than GeForce GTX 660 Ti.
GeForce 940MX and GeForce GTX 660 Ti are manufactured by 28 nm process technology.
Memory clock speed of GeForce 940MX is 3994 MHz higher, than GeForce GTX 660 Ti.
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
7−8
21−24
ultra / 1080p
4−5
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
16−18
40−45
medium / 1080p
8−9
27−30
The average gaming FPS of GeForce GTX 660 Ti in Assassin's Creed Odyssey is 188% more, than GeForce 940MX.
high / 1080p
12−14
35−40
ultra / 1080p
10−11
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
24−27
70−75
medium / 1080p
12−14
40−45
The average gaming FPS of GeForce GTX 660 Ti in Battlefield 5 is 206% more, than GeForce 940MX.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 660 Ti in Call of Duty: Warzone is 10% more, than GeForce 940MX.
low / 768p
140−150
230−240
medium / 768p
110−120
210−220
ultra / 1080p
55−60
120−130
QHD / 1440p
30−33
100−110
4K / 2160p
27−30
55−60
high / 768p
80−85
170−180
The average gaming FPS of GeForce GTX 660 Ti in Counter-Strike: Global Offensive is 100% more, than GeForce 940MX.
low / 768p
55−60
60−65
ultra / 1080p
20−22
55−60
medium / 1080p
45−50
55−60
The average gaming FPS of GeForce GTX 660 Ti in Cyberpunk 2077 is 40% more, than GeForce 940MX.
low / 768p
80−85
120−130
medium / 768p
60−65
110−120
ultra / 1080p
35−40
85−90
The average gaming FPS of GeForce GTX 660 Ti in Dota 2 is 81% more, than GeForce 940MX.
high / 1080p
8−9
27−30
ultra / 1080p
8−9
24−27
QHD / 1440p
−
20−22
4K / 2160p
3−4
9−10
low / 720p
18−20
55−60
medium / 1080p
9−10
30−33
The average gaming FPS of GeForce GTX 660 Ti in Far Cry 5 is 233% more, than GeForce 940MX.
high / 1080p
14−16
35−40
ultra / 1080p
10−11
27−30
QHD / 1440p
−
16−18
low / 720p
60−65
130−140
medium / 1080p
24−27
75−80
The average gaming FPS of GeForce GTX 660 Ti in Fortnite is 146% more, than GeForce 940MX.
high / 1080p
12−14
35−40
ultra / 1080p
10−12
27−30
QHD / 1440p
1−2
16−18
4K / 2160p
−
14−16
low / 720p
27−30
75−80
medium / 1080p
14−16
40−45
The average gaming FPS of GeForce GTX 660 Ti in Forza Horizon 4 is 207% more, than GeForce 940MX.
low / 768p
50−55
110−120
medium / 768p
45−50
95−100
high / 1080p
12−14
45−50
ultra / 1080p
6−7
18−20
QHD / 1440p
0−1
9−10
The average gaming FPS of GeForce GTX 660 Ti in Grand Theft Auto V is 137% more, than GeForce 940MX.
high / 1080p
5−6
14−16
ultra / 1080p
3−4
10−12
QHD / 1440p
−
10−12
4K / 2160p
0−1
3−4
low / 720p
12−14
40−45
medium / 1080p
6−7
20−22
The average gaming FPS of GeForce GTX 660 Ti in Metro Exodus is 214% more, than GeForce 940MX.
low / 768p
95−100
120−130
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
110−120
The average gaming FPS of GeForce GTX 660 Ti in Minecraft is 26% more, than GeForce 940MX.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
75−80
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 660 Ti in PLAYERUNKNOWN'S BATTLEGROUNDS is 68% more, than GeForce 940MX.
high / 1080p
−
16−18
ultra / 1080p
7−8
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
12−14
40−45
medium / 1080p
10−12
21−24
The average gaming FPS of GeForce GTX 660 Ti in Red Dead Redemption 2 is 150% more, than GeForce 940MX.
low / 768p
24−27
80−85
medium / 768p
16−18
50−55
high / 1080p
9−10
27−30
ultra / 1080p
6−7
16−18
4K / 2160p
6−7
9−10
The average gaming FPS of GeForce GTX 660 Ti in The Witcher 3: Wild Hunt is 192% more, than GeForce 940MX.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
20−22
40−45
high / 768p
35−40
55−60
The average gaming FPS of GeForce GTX 660 Ti in World of Tanks is 31% more, than GeForce 940MX.
Full Specs
GeForce 940MX
GeForce GTX 660 Ti
Architecture
Maxwell
Kepler
Code name
N16S-GTR-B/S
GK104
Type
Laptop
Desktop
Release date
10 March 2016
16 August 2012
Pipelines
384
1344
Core clock speed
1122 MHz
915 MHz
Boost Clock
1242 MHz
980 MHz
Transistor count
1,870 million
3,540 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
23.83
102.5 billion/sec
Floating-point performance
762.6 gflops
2,459.5 gflops
Length
9.5" (24.1 cm)
Memory bus width
64 Bit
192-bit GDDR5
Memory clock speed
4000 MHz
6.0 GB/s
Memory bandwidth
40.1 GB/s
144.2 GB/s
Shared memory
-
-
DirectX
12 (11_0)
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.5
4.3
OpenCL
1.2
1.2
Vulkan
1.1
1.1.126
CUDA
+
+
CUDA cores
1344
Bus support
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
2048x1536
Audio input for HDMI
Internal
3D Blu-Ray
+
3D Gaming
+
3D Vision
+
Bitcoin / BTC (SHA256)
102 Mh/s
99 Mh/s
Laptop size
medium sized
Optimus
+
GPU Boost
2.0
GameWorks
+
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