GeForce GTX 850M vs Mobility Radeon HD 3870 X2
When comparing GeForce GTX 850M and Mobility Radeon HD 3870 X2, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 850M and Mobility Radeon HD 3870 X2 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
GeForce GTX 850M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards
Note: GeForce GTX 850M and Mobility Radeon HD 3870 X2 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 GTX 850M or Mobility Radeon HD 3870 X2 here:
Main Specs
GeForce GTX 850M
Mobility Radeon HD 3870 X2
Power consumption (TDP)
45 Watt
110 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Memory type
DDR3, GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Display Connectors
No outputs
No outputs
Check Price
Check Price
Mobility Radeon HD 3870 X2 has 144% more power consumption, than GeForce GTX 850M.
GeForce GTX 850M is connected by PCIe 3.0 x16, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
Mobility Radeon HD 3870 X2 has 508 GB more memory, than GeForce GTX 850M.
Both cards are used in Laptops.
GeForce GTX 850M is build with Maxwell architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
GeForce GTX 850M is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 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
12−14
6−7
ultra / 1080p
8−9
4−5
QHD / 1440p
2−3
0−1
low / 720p
27−30
16−18
medium / 1080p
16−18
8−9
The average gaming FPS of GeForce GTX 850M in Assassin's Creed Odyssey is 77% more, than Mobility Radeon HD 3870 X2.
high / 1080p
21−24
12−14
ultra / 1080p
18−20
10−11
QHD / 1440p
4−5
0−1
4K / 2160p
4−5
−
low / 720p
45−50
24−27
medium / 1080p
21−24
12−14
The average gaming FPS of GeForce GTX 850M in Battlefield 5 is 80% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
GeForce GTX 850M and Mobility Radeon HD 3870 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
130−140
medium / 768p
160−170
110−120
ultra / 1080p
85−90
50−55
QHD / 1440p
50−55
27−30
4K / 2160p
30−33
27−30
high / 768p
120−130
80−85
The average gaming FPS of GeForce GTX 850M in Counter-Strike: Global Offensive is 49% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
35−40
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GTX 850M in Cyberpunk 2077 is 14% more, than Mobility Radeon HD 3870 X2.
low / 768p
100−110
80−85
medium / 768p
85−90
55−60
ultra / 1080p
55−60
30−35
The average gaming FPS of GeForce GTX 850M in Dota 2 is 45% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
8−9
ultra / 1080p
14−16
7−8
4K / 2160p
5−6
3−4
low / 720p
35−40
18−20
medium / 1080p
16−18
8−9
The average gaming FPS of GeForce GTX 850M in Far Cry 5 is 100% more, than Mobility Radeon HD 3870 X2.
high / 1080p
21−24
14−16
ultra / 1080p
16−18
10−11
QHD / 1440p
16−18
−
low / 720p
90−95
60−65
medium / 1080p
45−50
21−24
The average gaming FPS of GeForce GTX 850M in Fortnite is 62% more, than Mobility Radeon HD 3870 X2.
high / 1080p
21−24
12−14
ultra / 1080p
18−20
10−12
QHD / 1440p
7−8
1−2
low / 720p
45−50
24−27
medium / 1080p
24−27
14−16
The average gaming FPS of GeForce GTX 850M in Forza Horizon 4 is 84% more, than Mobility Radeon HD 3870 X2.
low / 768p
75−80
50−55
medium / 768p
70−75
45−50
high / 1080p
24−27
12−14
ultra / 1080p
10−12
6−7
QHD / 1440p
1−2
0−1
The average gaming FPS of GeForce GTX 850M in Grand Theft Auto V is 58% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
4−5
ultra / 1080p
6−7
3−4
4K / 2160p
2−3
0−1
low / 720p
24−27
12−14
medium / 1080p
10−12
6−7
The average gaming FPS of GeForce GTX 850M in Metro Exodus is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p
100−110
95−100
high / 1080p
−
85−90
ultra / 1080p
100−110
80−85
medium / 1080p
100−110
90−95
The average gaming FPS of GeForce GTX 850M in Minecraft is 16% more, than Mobility Radeon HD 3870 X2.
high / 1080p
21−24
16−18
ultra / 1080p
16−18
14−16
low / 720p
50−55
30−35
medium / 1080p
21−24
18−20
The average gaming FPS of GeForce GTX 850M in PLAYERUNKNOWN'S BATTLEGROUNDS is 40% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
−
ultra / 1080p
9−10
7−8
QHD / 1440p
0−1
0−1
low / 720p
24−27
12−14
medium / 1080p
14−16
10−12
The average gaming FPS of GeForce GTX 850M in Red Dead Redemption 2 is 60% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
24−27
medium / 768p
30−33
16−18
high / 1080p
16−18
9−10
ultra / 1080p
10−11
6−7
4K / 2160p
7−8
6−7
The average gaming FPS of GeForce GTX 850M in The Witcher 3: Wild Hunt is 69% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
85−90
medium / 768p
55−60
45−50
ultra / 1080p
30−35
18−20
high / 768p
50−55
35−40
The average gaming FPS of GeForce GTX 850M in World of Tanks is 27% more, than Mobility Radeon HD 3870 X2.
Full Specs
GeForce GTX 850M
Mobility Radeon HD 3870 X2
Architecture
Maxwell
RV6xx
Code name
N15P-GT
M88-XT CF
Type
Laptop
Laptop
Release date
12 March 2014
1 September 2008
Pipelines
640
640
Core clock speed
660 MHz
Transistor count
1,870 million
666 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
36.08
10.56
Floating-point performance
1,155 gflops
2x 422.4 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
850 MHz
Memory bandwidth
80.0 GB/s
54.4 GB/s
Shared memory
-
-
DirectX
12 (11_0)
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.5
3.3
OpenCL
1.1
N/A
Vulkan
1.1.126
N/A
CUDA
+
CUDA cores
640
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
Bitcoin / BTC (SHA256)
153 Mh/s
Laptop size
medium sized
large
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
Check Price
Check Price
