Mobility Radeon HD 3870 X2 vs Radeon RX 550
In this comparison between Mobility Radeon HD 3870 X2 and Radeon RX 550 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 Mobility Radeon HD 3870 X2 will be the best choice, for others Radeon RX 550 will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 3870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 3870 X2 is only used in laptop graphics. It has 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 Mobility Radeon HD 3870 X2 here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon RX 550
Power consumption (TDP)
110 Watt
50 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
4 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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Mobility Radeon HD 3870 X2 has 120% more power consumption, than Radeon RX 550.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon RX 550 uses PCIe 3.0 x8 interface.
Mobility Radeon HD 3870 X2 has 508 GB more memory, than Radeon RX 550.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon RX 550 - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon RX 550 - with GCN 4.0.
Core clock speed of Radeon RX 550 is 440 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon RX 550 - by 14 nm process technology.
Memory clock speed of Radeon RX 550 is 6150 MHz higher, than Mobility Radeon HD 3870 X2.
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
6−7
14−16
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
3−4
low / 720p
16−18
30−33
medium / 1080p
8−9
18−20
The average gaming FPS of Radeon RX 550 in Assassin's Creed Odyssey is 100% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
21−24
ultra / 1080p
10−11
20−22
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
24−27
50−55
medium / 1080p
12−14
24−27
The average gaming FPS of Radeon RX 550 in Battlefield 5 is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Mobility Radeon HD 3870 X2 and Radeon RX 550 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
200−210
medium / 768p
110−120
170−180
ultra / 1080p
50−55
95−100
QHD / 1440p
27−30
50−55
4K / 2160p
27−30
30−33
high / 768p
80−85
130−140
The average gaming FPS of Radeon RX 550 in Counter-Strike: Global Offensive is 58% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
18−20
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon RX 550 in Cyberpunk 2077 is 14% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
100−110
medium / 768p
55−60
90−95
ultra / 1080p
30−35
60−65
The average gaming FPS of Radeon RX 550 in Dota 2 is 50% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
16−18
ultra / 1080p
7−8
14−16
4K / 2160p
3−4
6−7
low / 720p
18−20
35−40
medium / 1080p
8−9
18−20
The average gaming FPS of Radeon RX 550 in Far Cry 5 is 111% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
18−20
QHD / 1440p
−
16−18
low / 720p
60−65
95−100
medium / 1080p
21−24
50−55
The average gaming FPS of Radeon RX 550 in Fortnite is 77% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
24−27
ultra / 1080p
10−12
18−20
QHD / 1440p
1−2
8−9
low / 720p
24−27
50−55
medium / 1080p
14−16
27−30
The average gaming FPS of Radeon RX 550 in Forza Horizon 4 is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
80−85
medium / 768p
45−50
70−75
high / 1080p
12−14
27−30
ultra / 1080p
6−7
12−14
QHD / 1440p
0−1
2−3
The average gaming FPS of Radeon RX 550 in Grand Theft Auto V is 68% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
9−10
ultra / 1080p
3−4
7−8
4K / 2160p
0−1
2−3
low / 720p
12−14
27−30
medium / 1080p
6−7
12−14
The average gaming FPS of Radeon RX 550 in Metro Exodus is 133% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
110−120
high / 1080p
85−90
−
ultra / 1080p
80−85
100−110
medium / 1080p
90−95
100−110
The average gaming FPS of Radeon RX 550 in Minecraft is 20% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
16−18
low / 720p
30−35
55−60
medium / 1080p
18−20
24−27
The average gaming FPS of Radeon RX 550 in PLAYERUNKNOWN'S BATTLEGROUNDS is 50% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
14−16
ultra / 1080p
7−8
9−10
QHD / 1440p
0−1
0−1
low / 720p
12−14
27−30
medium / 1080p
10−12
16−18
The average gaming FPS of Radeon RX 550 in Red Dead Redemption 2 is 80% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
50−55
medium / 768p
16−18
30−35
high / 1080p
9−10
18−20
ultra / 1080p
6−7
10−11
4K / 2160p
6−7
8−9
The average gaming FPS of Radeon RX 550 in The Witcher 3: Wild Hunt is 84% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
100−110
medium / 768p
45−50
60−65
ultra / 1080p
18−20
30−35
high / 768p
35−40
50−55
The average gaming FPS of Radeon RX 550 in World of Tanks is 34% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon RX 550
Architecture
RV6xx
GCN 4.0
Code name
M88-XT CF
Lexa
Type
Laptop
Desktop
Release date
1 September 2008
20 April 2017
Pipelines
640
512
Core clock speed
660 MHz
1100 MHz
Boost Clock
1183 MHz
Transistor count
666 million
2,200 million
Manufacturing process technology
55 nm
14 nm
Texture fill rate
10.56
37.86
Floating-point performance
2x 422.4 gflops
1,211 gflops
Length
145 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
7000 MHz
Memory bandwidth
54.4 GB/s
112.0 GB/s
Shared memory
-
DirectX
10.1 (10_1)
12 (12_0)
Shader Model
4.1
6.4
OpenGL
3.3
4.6
OpenCL
N/A
2.0
Vulkan
N/A
1.2.131
Laptop size
large
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