GeForce GTX 870M vs Mobility Radeon HD 3870 X2
In this comparison between GeForce GTX 870M 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 870M 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 870M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards
Note: GeForce GTX 870M 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 870M or Mobility Radeon HD 3870 X2 here:
Main Specs
GeForce GTX 870M
Mobility Radeon HD 3870 X2
Power consumption (TDP)
100 Watt
110 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR3
Maximum RAM amount
6 GB
512 MB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 3870 X2 has 10% more power consumption, than GeForce GTX 870M.
GeForce GTX 870M 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 506 GB more memory, than GeForce GTX 870M.
Both cards are used in Laptops.
GeForce GTX 870M is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
Core clock speed of GeForce GTX 870M is 281 MHz higher, than Mobility Radeon HD 3870 X2.
GeForce GTX 870M 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
4−5
0−1
low / 720p
35−40
16−18
medium / 1080p
21−24
8−9
The average gaming FPS of GeForce GTX 870M in Assassin's Creed Odyssey is 133% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
12−14
ultra / 1080p
24−27
10−11
QHD / 1440p
7−8
0−1
4K / 2160p
6−7
−
low / 720p
60−65
24−27
medium / 1080p
30−35
12−14
The average gaming FPS of GeForce GTX 870M in Battlefield 5 is 146% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
45−50
high / 1080p
50−55
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 870M in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 3870 X2.
low / 768p
220−230
130−140
medium / 768p
190−200
110−120
ultra / 1080p
100−110
50−55
QHD / 1440p
65−70
27−30
4K / 2160p
35−40
27−30
high / 768p
150−160
80−85
The average gaming FPS of GeForce GTX 870M in Counter-Strike: Global Offensive is 78% more, than Mobility Radeon HD 3870 X2.
low / 768p
60−65
55−60
ultra / 1080p
45−50
18−20
medium / 1080p
55−60
45−50
The average gaming FPS of GeForce GTX 870M in Cyberpunk 2077 is 34% more, than Mobility Radeon HD 3870 X2.
low / 768p
110−120
80−85
medium / 768p
100−110
55−60
ultra / 1080p
70−75
30−35
The average gaming FPS of GeForce GTX 870M in Dota 2 is 70% more, than Mobility Radeon HD 3870 X2.
high / 1080p
21−24
8−9
ultra / 1080p
18−20
7−8
QHD / 1440p
18−20
−
4K / 2160p
6−7
3−4
low / 720p
45−50
18−20
medium / 1080p
21−24
8−9
The average gaming FPS of GeForce GTX 870M in Far Cry 5 is 155% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
14−16
ultra / 1080p
21−24
10−11
QHD / 1440p
14−16
−
low / 720p
110−120
60−65
medium / 1080p
60−65
21−24
The average gaming FPS of GeForce GTX 870M in Fortnite is 111% more, than Mobility Radeon HD 3870 X2.
high / 1080p
30−33
12−14
ultra / 1080p
21−24
10−12
QHD / 1440p
10−12
1−2
low / 720p
60−65
24−27
medium / 1080p
30−35
14−16
The average gaming FPS of GeForce GTX 870M in Forza Horizon 4 is 146% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
50−55
medium / 768p
85−90
45−50
high / 1080p
35−40
12−14
ultra / 1080p
14−16
6−7
QHD / 1440p
4−5
0−1
The average gaming FPS of GeForce GTX 870M in Grand Theft Auto V is 103% more, than Mobility Radeon HD 3870 X2.
high / 1080p
10−12
4−5
ultra / 1080p
8−9
3−4
4K / 2160p
2−3
0−1
low / 720p
35−40
12−14
medium / 1080p
14−16
6−7
The average gaming FPS of GeForce GTX 870M in Metro Exodus is 200% more, than Mobility Radeon HD 3870 X2.
low / 768p
110−120
95−100
high / 1080p
−
85−90
ultra / 1080p
−
80−85
medium / 1080p
110−120
90−95
The average gaming FPS of GeForce GTX 870M in Minecraft is 21% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
16−18
ultra / 1080p
14−16
14−16
low / 720p
65−70
30−35
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 870M in PLAYERUNKNOWN'S BATTLEGROUNDS is 50% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
−
ultra / 1080p
9−10
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 870M in Red Dead Redemption 2 is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p
65−70
24−27
medium / 768p
40−45
16−18
high / 1080p
21−24
9−10
ultra / 1080p
12−14
6−7
4K / 2160p
7−8
6−7
The average gaming FPS of GeForce GTX 870M in The Witcher 3: Wild Hunt is 130% more, than Mobility Radeon HD 3870 X2.
low / 768p
90−95
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 870M in World of Tanks is 31% more, than Mobility Radeon HD 3870 X2.
Full Specs
GeForce GTX 870M
Mobility Radeon HD 3870 X2
Architecture
Kepler
RV6xx
Code name
N15P-GT
M88-XT CF
Type
Laptop
Laptop
Release date
12 March 2014
1 September 2008
Pipelines
1344
640
Core clock speed
941 MHz
660 MHz
Boost Clock
967 MHz
Transistor count
3,540 million
666 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
108.3
10.56
Floating-point performance
2,599 gflops
2x 422.4 gflops
Memory bus width
192 Bit
256 Bit
Memory clock speed
850 MHz
Memory bandwidth
120.0 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
1344
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
Bitcoin / BTC (SHA256)
82 Mh/s
Laptop size
large
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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