GeForce 840M vs GeForce GT 650M SLI
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and GeForce GT 650M SLI. 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 840M and GeForce GT 650M SLI. 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 840M and GeForce GT 650M SLI are Laptop Graphics Cards
Note: GeForce 840M and GeForce GT 650M 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 GT 650M SLI here:
Main Specs
GeForce 840M
GeForce GT 650M SLI
Power consumption (TDP)
33 Watt
Interface
PCIe 3.0 x8
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
2x2 GB
Display Connectors
No outputs
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GeForce 840M has 2 GB more memory, than GeForce GT 650M SLI.
Both cards are used in Laptops.
GeForce 840M is build with Maxwell architecture, and GeForce GT 650M SLI - with Kepler.
Core clock speed of GeForce 840M is 239 MHz higher, than GeForce GT 650M SLI.
GeForce 840M and GeForce GT 650M SLI are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 650M SLI is 2000 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
12−14
ultra / 1080p
0−1
7−8
QHD / 1440p
0−1
2−3
low / 720p
12−14
24−27
medium / 1080p
3−4
14−16
The average gaming FPS of GeForce GT 650M SLI in Assassin's Creed Odyssey is 183% more, than GeForce 840M.
high / 1080p
−
20−22
ultra / 1080p
4−5
16−18
QHD / 1440p
0−1
3−4
low / 720p
16−18
40−45
medium / 1080p
5−6
21−24
The average gaming FPS of GeForce GT 650M SLI in Battlefield 5 is 200% more, than GeForce 840M.
low / 768p
45−50
45−50
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
GeForce 840M and GeForce GT 650M SLI have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
180−190
medium / 768p
90−95
150−160
ultra / 1080p
40−45
80−85
QHD / 1440p
24−27
45−50
4K / 2160p
18−20
30−33
high / 768p
65−70
120−130
The average gaming FPS of GeForce GT 650M SLI in Counter-Strike: Global Offensive is 67% more, than GeForce 840M.
low / 768p
85−90
55−60
ultra / 1080p
16−18
30−35
medium / 1080p
40−45
45−50
The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 8% more, than GeForce GT 650M SLI.
low / 768p
75−80
100−110
medium / 768p
50−55
80−85
ultra / 1080p
24−27
50−55
The average gaming FPS of GeForce GT 650M SLI in Dota 2 is 56% more, than GeForce 840M.
high / 1080p
2−3
14−16
ultra / 1080p
2−3
12−14
4K / 2160p
0−1
5−6
low / 720p
12−14
30−35
medium / 1080p
3−4
14−16
The average gaming FPS of GeForce GT 650M SLI in Far Cry 5 is 260% more, than GeForce 840M.
high / 1080p
10−11
21−24
ultra / 1080p
5−6
16−18
QHD / 1440p
2−3
−
low / 720p
50−55
85−90
medium / 1080p
10−12
40−45
The average gaming FPS of GeForce GT 650M SLI in Fortnite is 121% more, than GeForce 840M.
high / 1080p
4−5
21−24
ultra / 1080p
−
16−18
QHD / 1440p
0−1
6−7
low / 720p
16−18
40−45
medium / 1080p
7−8
21−24
The average gaming FPS of GeForce GT 650M SLI in Forza Horizon 4 is 222% more, than GeForce 840M.
low / 768p
45−50
75−80
medium / 768p
−
65−70
high / 1080p
5−6
21−24
ultra / 1080p
2−3
10−11
QHD / 1440p
0−1
1−2
medium / 720p
35−40
−
The average gaming FPS of GeForce GT 650M SLI in Grand Theft Auto V is 100% more, than GeForce 840M.
high / 1080p
1−2
8−9
ultra / 1080p
0−1
6−7
4K / 2160p
0−1
2−3
low / 720p
5−6
21−24
medium / 1080p
3−4
10−11
The average gaming FPS of GeForce GT 650M SLI in Metro Exodus is 333% more, than GeForce 840M.
low / 768p
90−95
100−110
high / 1080p
85−90
−
ultra / 1080p
70−75
95−100
medium / 1080p
90−95
100−110
The average gaming FPS of GeForce GT 650M SLI in Minecraft is 20% more, than GeForce 840M.
high / 1080p
−
20−22
ultra / 1080p
12−14
16−18
low / 720p
27−30
45−50
medium / 1080p
14−16
21−24
The average gaming FPS of GeForce GT 650M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 61% more, than GeForce 840M.
high / 1080p
−
12−14
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
0−1
low / 720p
6−7
21−24
medium / 1080p
−
14−16
The average gaming FPS of GeForce GT 650M SLI in Red Dead Redemption 2 is 220% more, than GeForce 840M.
low / 768p
12−14
40−45
medium / 768p
9−10
27−30
high / 1080p
4−5
14−16
ultra / 1080p
3−4
9−10
4K / 2160p
0−1
7−8
The average gaming FPS of GeForce GT 650M SLI in The Witcher 3: Wild Hunt is 228% more, than GeForce 840M.
low / 768p
75−80
95−100
medium / 768p
35−40
55−60
ultra / 1080p
16−18
30−33
high / 768p
30−35
45−50
The average gaming FPS of GeForce GT 650M SLI in World of Tanks is 41% more, than GeForce 840M.
Full Specs
GeForce 840M
GeForce GT 650M SLI
Architecture
Maxwell
Kepler
Code name
N15S-GT
N13E-GE
Type
Laptop
Laptop
Release date
12 March 2014
22 March 2012
Pipelines
384
768
Core clock speed
1029 MHz
790 MHz
Boost Clock
1124 MHz
835 MHz
Manufacturing process technology
28 nm
28 nm
Texture fill rate
17.98
Floating-point performance
863.2 gflops
Memory bus width
64 Bit
2x 128 Bit
Memory clock speed
2000 MHz
4000 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
Bitcoin / BTC (SHA256)
92 Mh/s
Laptop size
medium sized
medium sized
Optimus
+
+
GPU Boost
2.0
GameWorks
+
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