GeForce 940MX vs GeForce GTX 680MX
In this comparison between GeForce 940MX and GeForce GTX 680MX you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce 940MX will be the best choice, for others GeForce GTX 680MX will be their preference. Study the comparison tables below and make your choice.
GeForce 940MX and GeForce GTX 680MX are Laptop Graphics Cards
Note: GeForce 940MX and GeForce GTX 680MX 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 940MX or GeForce GTX 680MX here:
Main Specs
GeForce 940MX
GeForce GTX 680MX
Power consumption (TDP)
23 Watt
122 Watt
Interface
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Display Connectors
No outputs
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GeForce GTX 680MX has 430% more power consumption, than GeForce 940MX.
GeForce 940MX has 2 GB more memory, than GeForce GTX 680MX.
Both cards are used in Laptops.
GeForce 940MX is build with Maxwell architecture, and GeForce GTX 680MX - with Kepler.
Core clock speed of GeForce 940MX is 402 MHz higher, than GeForce GTX 680MX.
GeForce 940MX and GeForce GTX 680MX are manufactured by 28 nm process technology.
Memory clock speed of GeForce 940MX is 1500 MHz higher, than GeForce GTX 680MX.
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
7−8
4K / 2160p
−
5−6
low / 720p
16−18
40−45
medium / 1080p
8−9
27−30
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 188% more, than GeForce 940MX.
high / 1080p
12−14
35−40
ultra / 1080p
10−11
30−33
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 680MX 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 680MX in Call of Duty: Warzone is 10% more, than GeForce 940MX.
low / 768p
140−150
230−240
medium / 768p
110−120
200−210
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 680MX in Counter-Strike: Global Offensive is 97% more, than GeForce 940MX.
low / 768p
55−60
60−65
ultra / 1080p
20−22
50−55
medium / 1080p
45−50
55−60
The average gaming FPS of GeForce GTX 680MX in Cyberpunk 2077 is 35% more, than GeForce 940MX.
low / 768p
80−85
120−130
medium / 768p
60−65
110−120
ultra / 1080p
35−40
80−85
The average gaming FPS of GeForce GTX 680MX in Dota 2 is 78% more, than GeForce 940MX.
high / 1080p
8−9
27−30
ultra / 1080p
8−9
24−27
QHD / 1440p
−
20−22
4K / 2160p
3−4
8−9
low / 720p
18−20
55−60
medium / 1080p
9−10
27−30
The average gaming FPS of GeForce GTX 680MX in Far Cry 5 is 222% 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 680MX 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
70−75
medium / 1080p
14−16
40−45
The average gaming FPS of GeForce GTX 680MX in Forza Horizon 4 is 200% more, than GeForce 940MX.
low / 768p
50−55
100−110
medium / 768p
45−50
95−100
high / 1080p
12−14
40−45
ultra / 1080p
6−7
18−20
QHD / 1440p
0−1
8−9
The average gaming FPS of GeForce GTX 680MX in Grand Theft Auto V is 127% 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
18−20
The average gaming FPS of GeForce GTX 680MX in Metro Exodus is 200% 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 680MX 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 680MX in PLAYERUNKNOWN'S BATTLEGROUNDS is 68% more, than GeForce 940MX.
high / 1080p
−
16−18
ultra / 1080p
7−8
10−12
QHD / 1440p
0−1
2−3
4K / 2160p
−
2−3
low / 720p
12−14
40−45
medium / 1080p
10−12
21−24
The average gaming FPS of GeForce GTX 680MX 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
14−16
4K / 2160p
6−7
9−10
The average gaming FPS of GeForce GTX 680MX in The Witcher 3: Wild Hunt is 184% 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 680MX in World of Tanks is 31% more, than GeForce 940MX.
Full Specs
GeForce 940MX
GeForce GTX 680MX
Architecture
Maxwell
Kepler
Code name
N16S-GTR-B/S
Type
Laptop
Laptop
Release date
10 March 2016
23 October 2012
Pipelines
384
1536
Core clock speed
1122 MHz
720 MHz
Boost Clock
1242 MHz
Transistor count
1,870 million
3540 Million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
23.83
92.2 billion/sec
Floating-point performance
762.6 gflops
Memory bus width
64 Bit
256 Bit
Memory clock speed
4000 MHz
2500 MHz
Memory bandwidth
40.1 GB/s
160 GB/s
Shared memory
-
-
DirectX
12 (11_0)
12 API
Shader Model
5.1
OpenGL
4.5
4.5
OpenCL
1.2
1.1
Vulkan
1.1
CUDA
+
+
CUDA cores
1536
Bus support
PCI Express 3.0
PCI Express 3.0
SLI options
+
3D Vision
+
Bitcoin / BTC (SHA256)
102 Mh/s
57 Mh/s
Laptop size
medium sized
large
Optimus
+
+
GPU Boost
2.0
GameWorks
+
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