GeForce 840M vs GeForce GTX 850M
In this comparison between GeForce 840M and GeForce GTX 850M 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 840M will be the best choice, for others GeForce GTX 850M will be their preference. Study the comparison tables below and make your choice.
GeForce 840M and GeForce GTX 850M are Laptop Graphics Cards
Note: GeForce 840M and GeForce GTX 850M 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 850M here:
Main Specs
GeForce 840M
GeForce GTX 850M
Power consumption (TDP)
33 Watt
45 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Memory type
DDR3
DDR3, GDDR5
Maximum RAM amount
4 GB
4 GB
Display Connectors
No outputs
No outputs
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GeForce GTX 850M has 36% more power consumption, than GeForce 840M.
GeForce 840M is connected by PCIe 3.0 x8, and GeForce GTX 850M uses PCIe 3.0 x16 interface.
GeForce 840M and GeForce GTX 850M have maximum RAM of 4 GB.
Both cards are used in Laptops.
GeForce 840M and GeForce GTX 850M are build with Maxwell architecture.
GeForce 840M and GeForce GTX 850M are manufactured by 28 nm process technology.
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
8−9
QHD / 1440p
0−1
2−3
low / 720p
12−14
27−30
medium / 1080p
3−4
16−18
The average gaming FPS of GeForce GTX 850M in Assassin's Creed Odyssey is 216% more, than GeForce 840M.
high / 1080p
−
21−24
ultra / 1080p
4−5
18−20
QHD / 1440p
0−1
4−5
4K / 2160p
−
4−5
low / 720p
16−18
45−50
medium / 1080p
5−6
21−24
The average gaming FPS of GeForce GTX 850M in Battlefield 5 is 222% more, than GeForce 840M.
low / 768p
45−50
45−50
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
GeForce 840M and GeForce GTX 850M have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
190−200
medium / 768p
90−95
160−170
ultra / 1080p
40−45
85−90
QHD / 1440p
24−27
50−55
4K / 2160p
18−20
30−33
high / 768p
65−70
120−130
The average gaming FPS of GeForce GTX 850M in Counter-Strike: Global Offensive is 75% more, than GeForce 840M.
low / 768p
85−90
55−60
ultra / 1080p
16−18
35−40
medium / 1080p
40−45
45−50
The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 4% more, than GeForce GTX 850M.
low / 768p
75−80
100−110
medium / 768p
50−55
85−90
ultra / 1080p
24−27
55−60
The average gaming FPS of GeForce GTX 850M in Dota 2 is 62% more, than GeForce 840M.
high / 1080p
2−3
14−16
ultra / 1080p
2−3
14−16
4K / 2160p
0−1
5−6
low / 720p
12−14
35−40
medium / 1080p
3−4
16−18
The average gaming FPS of GeForce GTX 850M in Far Cry 5 is 320% more, than GeForce 840M.
high / 1080p
10−11
21−24
ultra / 1080p
5−6
16−18
QHD / 1440p
2−3
16−18
low / 720p
50−55
90−95
medium / 1080p
10−12
45−50
The average gaming FPS of GeForce GTX 850M in Fortnite is 143% more, than GeForce 840M.
high / 1080p
4−5
21−24
ultra / 1080p
−
18−20
QHD / 1440p
0−1
7−8
low / 720p
16−18
45−50
medium / 1080p
7−8
24−27
The average gaming FPS of GeForce GTX 850M in Forza Horizon 4 is 244% more, than GeForce 840M.
low / 768p
45−50
75−80
medium / 768p
−
70−75
high / 1080p
5−6
24−27
ultra / 1080p
2−3
10−12
QHD / 1440p
0−1
1−2
medium / 720p
35−40
−
The average gaming FPS of GeForce GTX 850M in Grand Theft Auto V is 111% 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
24−27
medium / 1080p
3−4
10−12
The average gaming FPS of GeForce GTX 850M in Metro Exodus is 400% more, than GeForce 840M.
low / 768p
90−95
100−110
high / 1080p
85−90
−
ultra / 1080p
70−75
100−110
medium / 1080p
90−95
100−110
The average gaming FPS of GeForce GTX 850M in Minecraft is 23% more, than GeForce 840M.
high / 1080p
−
21−24
ultra / 1080p
12−14
16−18
low / 720p
27−30
50−55
medium / 1080p
14−16
21−24
The average gaming FPS of GeForce GTX 850M in PLAYERUNKNOWN'S BATTLEGROUNDS is 66% more, than GeForce 840M.
high / 1080p
−
12−14
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
0−1
low / 720p
6−7
24−27
medium / 1080p
−
14−16
The average gaming FPS of GeForce GTX 850M in Red Dead Redemption 2 is 240% more, than GeForce 840M.
low / 768p
12−14
45−50
medium / 768p
9−10
30−33
high / 1080p
4−5
16−18
ultra / 1080p
3−4
10−11
4K / 2160p
0−1
7−8
The average gaming FPS of GeForce GTX 850M in The Witcher 3: Wild Hunt is 271% more, than GeForce 840M.
low / 768p
75−80
95−100
medium / 768p
35−40
55−60
ultra / 1080p
16−18
30−35
high / 768p
30−35
50−55
The average gaming FPS of GeForce GTX 850M in World of Tanks is 46% more, than GeForce 840M.
Full Specs
GeForce 840M
GeForce GTX 850M
Architecture
Maxwell
Maxwell
Code name
N15S-GT
N15P-GT
Type
Laptop
Laptop
Release date
12 March 2014
12 March 2014
Pipelines
384
640
Core clock speed
1029 MHz
Boost Clock
1124 MHz
Transistor count
1,870 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
17.98
36.08
Floating-point performance
863.2 gflops
1,155 gflops
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
Memory bandwidth
16.02 GB/s
80.0 GB/s
Shared memory
-
-
DirectX
12 (11_0)
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.5
4.5
OpenCL
1.2
1.1
Vulkan
1.1.126
1.1.126
CUDA
+
+
CUDA cores
640
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
Bitcoin / BTC (SHA256)
92 Mh/s
153 Mh/s
Laptop size
medium sized
medium sized
Standard memory configuration
DDR3 or GDDR5
eDP 1.2 signal support
Up to 3840x2160
LVDS signal support
Up to 1920x1200
DisplayPort Multimode (DP++) support
Up to 3840x2160
HDCP content protection
+
7.1 channel HD audio on HDMI
+
TrueHD and DTS-HD audio bitstreaming
+
H.264, VC1, MPEG2 1080p video decoder
+
Optimus
+
+
Ethereum / ETH (DaggerHashimoto)
1.8 Mh/s
GPU Boost
2.0
GameWorks
+
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