GeForce 840M vs GeForce GTX 675M SLI
When choosing between GeForce 840M and GeForce GTX 675M SLI, 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 840M and GeForce GTX 675M SLI.
GeForce 840M and GeForce GTX 675M SLI are Laptop Graphics Cards
Note: GeForce 840M and GeForce GTX 675M SLI 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 840M or GeForce GTX 675M SLI here:
Main Specs
GeForce 840M
GeForce GTX 675M SLI
Power consumption (TDP)
33 Watt
2x 100 Watt
Interface
PCIe 3.0 x8
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
Display Connectors
No outputs
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GeForce 840M has 1550% more power consumption, than GeForce GTX 675M SLI.
Both cards are used in Laptops.
GeForce 840M is build with Maxwell architecture, and GeForce GTX 675M SLI - with Fermi.
Core clock speed of GeForce 840M is 409 MHz higher, than GeForce GTX 675M SLI.
GeForce 840M is manufactured by 28 nm process technology, and GeForce GTX 675M SLI - by 40 nm process technology.
Memory clock speed of GeForce GTX 675M SLI is 1000 MHz higher, than GeForce 840M.
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
1−2
18−20
ultra / 1080p
0−1
10−12
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
12−14
35−40
medium / 1080p
3−4
24−27
The average gaming FPS of GeForce GTX 675M SLI in Assassin's Creed Odyssey is 350% more, than GeForce 840M.
high / 1080p
−
30−33
ultra / 1080p
4−5
24−27
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
16−18
60−65
medium / 1080p
5−6
30−35
The average gaming FPS of GeForce GTX 675M SLI in Battlefield 5 is 344% more, than GeForce 840M.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 675M SLI in Call of Duty: Warzone is 10% more, than GeForce 840M.
low / 768p
120−130
220−230
medium / 768p
90−95
190−200
ultra / 1080p
40−45
110−120
QHD / 1440p
24−27
80−85
4K / 2160p
18−20
40−45
high / 768p
65−70
160−170
The average gaming FPS of GeForce GTX 675M SLI in Counter-Strike: Global Offensive is 120% more, than GeForce 840M.
low / 768p
85−90
60−65
ultra / 1080p
16−18
45−50
medium / 1080p
40−45
55−60
The average gaming FPS of GeForce GTX 675M SLI in Cyberpunk 2077 is 12% more, than GeForce 840M.
low / 768p
75−80
110−120
medium / 768p
50−55
100−110
ultra / 1080p
24−27
75−80
The average gaming FPS of GeForce GTX 675M SLI in Dota 2 is 94% more, than GeForce 840M.
high / 1080p
2−3
21−24
ultra / 1080p
2−3
21−24
QHD / 1440p
−
18−20
4K / 2160p
0−1
7−8
low / 720p
12−14
50−55
medium / 1080p
3−4
24−27
The average gaming FPS of GeForce GTX 675M SLI in Far Cry 5 is 500% more, than GeForce 840M.
high / 1080p
10−11
30−35
ultra / 1080p
5−6
21−24
QHD / 1440p
2−3
14−16
low / 720p
50−55
110−120
medium / 1080p
10−12
65−70
The average gaming FPS of GeForce GTX 675M SLI in Fortnite is 212% more, than GeForce 840M.
high / 1080p
4−5
30−35
ultra / 1080p
−
24−27
QHD / 1440p
0−1
12−14
4K / 2160p
−
12−14
low / 720p
16−18
65−70
medium / 1080p
7−8
35−40
The average gaming FPS of GeForce GTX 675M SLI in Forza Horizon 4 is 400% more, than GeForce 840M.
low / 768p
45−50
100−105
medium / 768p
−
90−95
high / 1080p
5−6
35−40
ultra / 1080p
2−3
14−16
QHD / 1440p
0−1
6−7
medium / 720p
35−40
−
The average gaming FPS of GeForce GTX 675M SLI in Grand Theft Auto V is 183% more, than GeForce 840M.
high / 1080p
1−2
12−14
ultra / 1080p
0−1
9−10
4K / 2160p
0−1
2−3
low / 720p
5−6
35−40
medium / 1080p
3−4
16−18
The average gaming FPS of GeForce GTX 675M SLI in Metro Exodus is 633% more, than GeForce 840M.
low / 768p
90−95
110−120
high / 1080p
85−90
−
ultra / 1080p
70−75
−
medium / 1080p
90−95
110−120
The average gaming FPS of GeForce GTX 675M SLI in Minecraft is 25% more, than GeForce 840M.
ultra / 1080p
12−14
14−16
low / 720p
27−30
65−70
medium / 1080p
14−16
18−20
The average gaming FPS of GeForce GTX 675M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than GeForce 840M.
high / 1080p
−
14−16
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
1−2
4K / 2160p
−
0−1
low / 720p
6−7
35−40
medium / 1080p
−
20−22
The average gaming FPS of GeForce GTX 675M SLI in Red Dead Redemption 2 is 380% more, than GeForce 840M.
low / 768p
12−14
70−75
medium / 768p
9−10
40−45
high / 1080p
4−5
24−27
ultra / 1080p
3−4
12−14
4K / 2160p
0−1
7−8
The average gaming FPS of GeForce GTX 675M SLI in The Witcher 3: Wild Hunt is 442% more, than GeForce 840M.
low / 768p
75−80
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
40−45
high / 768p
30−35
55−60
The average gaming FPS of GeForce GTX 675M SLI in World of Tanks is 53% more, than GeForce 840M.
Full Specs
GeForce 840M
GeForce GTX 675M SLI
Architecture
Maxwell
Fermi
Code name
N15S-GT
N12E-GTX2
Type
Laptop
Laptop
Release date
12 March 2014
6 January 2011
Pipelines
384
768
Core clock speed
1029 MHz
620 MHz
Boost Clock
1124 MHz
Manufacturing process technology
28 nm
40 nm
Texture fill rate
17.98
Floating-point performance
863.2 gflops
Memory bus width
64 Bit
256 Bit
Memory clock speed
2000 MHz
3000 MHz
Memory bandwidth
16.02 GB/s
Shared memory
-
-
DirectX
12 (11_0)
DirectX 11, Shader 5.0
Shader Model
5.1
OpenGL
4.5
OpenCL
1.2
Vulkan
1.1.126
CUDA
+
+
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
Bitcoin / BTC (SHA256)
92 Mh/s
Laptop size
medium sized
large
Optimus
+
+
GPU Boost
2.0
GameWorks
+
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