GeForce GTX 860M vs Mobility Radeon HD 3870 X2
In this comparison between GeForce GTX 860M and Mobility Radeon HD 3870 X2 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 GTX 860M will be the best choice, for others Mobility Radeon HD 3870 X2 will be their preference. Study the comparison tables below and make your choice.
GeForce GTX 860M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards
Note: GeForce GTX 860M 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 860M or Mobility Radeon HD 3870 X2 here:
Main Specs
GeForce GTX 860M
Mobility Radeon HD 3870 X2
Power consumption (TDP)
75 Watt
110 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 3870 X2 has 46% more power consumption, than GeForce GTX 860M.
GeForce GTX 860M is connected by MXM-B (3.0), 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 860M.
Both cards are used in Laptops.
GeForce GTX 860M is build with Maxwell architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
Core clock speed of GeForce GTX 860M is 137 MHz higher, than Mobility Radeon HD 3870 X2.
GeForce GTX 860M 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
16−18
6−7
ultra / 1080p
10−11
4−5
QHD / 1440p
5−6
0−1
4K / 2160p
4−5
−
low / 720p
30−35
16−18
medium / 1080p
21−24
8−9
The average gaming FPS of GeForce GTX 860M in Assassin's Creed Odyssey is 122% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
12−14
ultra / 1080p
21−24
10−11
QHD / 1440p
10−11
0−1
4K / 2160p
6−7
−
low / 720p
55−60
24−27
medium / 1080p
30−33
12−14
The average gaming FPS of GeForce GTX 860M in Battlefield 5 is 133% 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 860M and Mobility Radeon HD 3870 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p
220−230
130−140
medium / 768p
190−200
110−120
ultra / 1080p
100−110
50−55
QHD / 1440p
60−65
27−30
4K / 2160p
30−35
27−30
high / 768p
150−160
80−85
The average gaming FPS of GeForce GTX 860M in Counter-Strike: Global Offensive is 76% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
40−45
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GTX 860M in Cyberpunk 2077 is 19% more, than Mobility Radeon HD 3870 X2.
low / 768p
110−120
80−85
medium / 768p
100−105
55−60
ultra / 1080p
65−70
30−35
The average gaming FPS of GeForce GTX 860M in Dota 2 is 66% more, than Mobility Radeon HD 3870 X2.
high / 1080p
20−22
8−9
ultra / 1080p
18−20
7−8
QHD / 1440p
16−18
−
4K / 2160p
6−7
3−4
low / 720p
40−45
18−20
medium / 1080p
21−24
8−9
The average gaming FPS of GeForce GTX 860M in Far Cry 5 is 144% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
14−16
ultra / 1080p
21−24
10−11
QHD / 1440p
16−18
−
low / 720p
100−110
60−65
medium / 1080p
55−60
21−24
The average gaming FPS of GeForce GTX 860M in Fortnite is 96% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
12−14
ultra / 1080p
21−24
10−12
QHD / 1440p
10−12
1−2
4K / 2160p
10−11
−
low / 720p
55−60
24−27
medium / 1080p
30−35
14−16
The average gaming FPS of GeForce GTX 860M in Forza Horizon 4 is 130% more, than Mobility Radeon HD 3870 X2.
low / 768p
90−95
50−55
medium / 768p
80−85
45−50
high / 1080p
30−35
12−14
ultra / 1080p
14−16
6−7
QHD / 1440p
4−5
0−1
The average gaming FPS of GeForce GTX 860M in Grand Theft Auto V is 89% more, than Mobility Radeon HD 3870 X2.
high / 1080p
10−12
4−5
ultra / 1080p
8−9
3−4
4K / 2160p
3−4
0−1
low / 720p
30−35
12−14
medium / 1080p
14−16
6−7
The average gaming FPS of GeForce GTX 860M in Metro Exodus is 166% more, than Mobility Radeon HD 3870 X2.
low / 768p
110−120
95−100
high / 1080p
−
85−90
ultra / 1080p
−
80−85
medium / 1080p
100−110
90−95
The average gaming FPS of GeForce GTX 860M in Minecraft is 15% more, than Mobility Radeon HD 3870 X2.
high / 1080p
24−27
16−18
ultra / 1080p
18−20
14−16
low / 720p
60−65
30−35
medium / 1080p
24−27
18−20
The average gaming FPS of GeForce GTX 860M in PLAYERUNKNOWN'S BATTLEGROUNDS is 65% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
−
ultra / 1080p
10−11
7−8
QHD / 1440p
0−1
0−1
low / 720p
30−35
12−14
medium / 1080p
18−20
10−12
The average gaming FPS of GeForce GTX 860M in Red Dead Redemption 2 is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p
60−65
24−27
medium / 768p
35−40
16−18
high / 1080p
21−24
9−10
ultra / 1080p
12−14
6−7
4K / 2160p
8−9
6−7
The average gaming FPS of GeForce GTX 860M in The Witcher 3: Wild Hunt is 115% more, than Mobility Radeon HD 3870 X2.
low / 768p
100−110
85−90
medium / 768p
60−65
45−50
ultra / 1080p
35−40
18−20
high / 768p
55−60
35−40
The average gaming FPS of GeForce GTX 860M in World of Tanks is 38% more, than Mobility Radeon HD 3870 X2.
Full Specs
GeForce GTX 860M
Mobility Radeon HD 3870 X2
Architecture
Maxwell
RV6xx
Code name
N15P-GX
M88-XT CF
Type
Laptop
Laptop
Release date
12 March 2014
1 September 2008
Pipelines
640
640
Core clock speed
797 MHz
660 MHz
Boost Clock
915 MHz
Transistor count
1,870 million
666 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
43.40
10.56
Floating-point performance
1,389 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
1152 or 640
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
Bitcoin / BTC (SHA256)
163 Mh/s
Laptop size
medium sized
large
Standard memory configuration
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
+
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