Mobility Radeon HD 3870 X2 vs Radeon RX 550X mobile
When choosing between Mobility Radeon HD 3870 X2 and Radeon RX 550X mobile, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Mobility Radeon HD 3870 X2 and Radeon RX 550X mobile.
Mobility Radeon HD 3870 X2 and Radeon RX 550X mobile are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Radeon RX 550X mobile 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 Mobility Radeon HD 3870 X2 or Radeon RX 550X mobile here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon RX 550X mobile
Power consumption (TDP)
110 Watt
50 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
4 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 3870 X2 has 120% more power consumption, than Radeon RX 550X mobile.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon RX 550X mobile uses PCIe 3.0 x8 interface.
Mobility Radeon HD 3870 X2 has 508 GB more memory, than Radeon RX 550X mobile.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon RX 550X mobile - with Polaris.
Core clock speed of Radeon RX 550X mobile is 516 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon RX 550X mobile - by 14 nm process technology.
Memory clock speed of Radeon RX 550X mobile 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
9−10
QHD / 1440p
0−1
3−4
low / 720p
16−18
30−35
medium / 1080p
8−9
20−22
The average gaming FPS of Radeon RX 550X mobile in Assassin's Creed Odyssey is 111% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
24−27
ultra / 1080p
10−11
21−24
QHD / 1440p
0−1
4−5
low / 720p
24−27
55−60
medium / 1080p
12−14
27−30
The average gaming FPS of Radeon RX 550X mobile in Battlefield 5 is 120% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX 550X mobile in Call of Duty: Warzone is 6% more, than Mobility Radeon HD 3870 X2.
low / 768p
130−140
210−220
medium / 768p
110−120
180−190
ultra / 1080p
50−55
100−105
QHD / 1440p
27−30
55−60
4K / 2160p
27−30
27−30
high / 768p
80−85
140−150
The average gaming FPS of Radeon RX 550X mobile in Counter-Strike: Global Offensive is 67% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
60−65
ultra / 1080p
18−20
40−45
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon RX 550X mobile in Cyberpunk 2077 is 31% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
110−120
medium / 768p
55−60
95−100
ultra / 1080p
30−35
65−70
The average gaming FPS of Radeon RX 550X mobile in Dota 2 is 63% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
18−20
ultra / 1080p
7−8
16−18
4K / 2160p
3−4
6−7
low / 720p
18−20
40−45
medium / 1080p
8−9
21−24
The average gaming FPS of Radeon RX 550X mobile in Far Cry 5 is 133% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
20−22
QHD / 1440p
−
12−14
low / 720p
60−65
100−110
medium / 1080p
21−24
55−60
The average gaming FPS of Radeon RX 550X mobile in Fortnite is 92% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
27−30
ultra / 1080p
10−12
21−24
QHD / 1440p
1−2
9−10
low / 720p
24−27
55−60
medium / 1080p
14−16
30−35
The average gaming FPS of Radeon RX 550X mobile in Forza Horizon 4 is 130% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
90−95
medium / 768p
45−50
80−85
high / 1080p
12−14
30−35
ultra / 1080p
6−7
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Radeon RX 550X mobile in Grand Theft Auto V is 89% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
10−11
ultra / 1080p
3−4
7−8
4K / 2160p
0−1
1−2
low / 720p
12−14
30−35
medium / 1080p
6−7
12−14
The average gaming FPS of Radeon RX 550X mobile in Metro Exodus is 150% 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 550X mobile in Minecraft is 20% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
60−65
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon RX 550X mobile in PLAYERUNKNOWN'S BATTLEGROUNDS is 45% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
30−33
medium / 1080p
10−12
16−18
The average gaming FPS of Radeon RX 550X mobile in Red Dead Redemption 2 is 90% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
55−60
medium / 768p
16−18
35−40
high / 1080p
9−10
20−22
ultra / 1080p
6−7
10−12
4K / 2160p
6−7
6−7
The average gaming FPS of Radeon RX 550X mobile in The Witcher 3: Wild Hunt is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
35−40
high / 768p
35−40
50−55
The average gaming FPS of Radeon RX 550X mobile in World of Tanks is 29% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon RX 550X mobile
Architecture
RV6xx
Polaris
Code name
M88-XT CF
Polaris 12
Type
Laptop
Laptop
Release date
1 September 2008
10 January 2019
Pipelines
640
640
Core clock speed
660 MHz
1176 MHz
Boost Clock
1287 MHz
Transistor count
666 million
2,200 million
Manufacturing process technology
55 nm
14 nm
Texture fill rate
10.56
51.48
Floating-point performance
2x 422.4 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
7000 MHz
Memory bandwidth
54.4 GB/s
96 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
FreeSync
+
Laptop size
large
large
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