Mobility Radeon HD 3870 X2 vs Radeon 550X

In this comparison between Mobility Radeon HD 3870 X2 and Radeon 550X 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 550X will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 3870 X2 Check Price

Radeon 550X

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:

Mobility Radeon HD 3870 X2 Laptops

Main Specs

	Mobility Radeon HD 3870 X2	Radeon 550X
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	2 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 550X.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon 550X uses PCIe 3.0 x8 interface.
Mobility Radeon HD 3870 X2 has 510 GB more memory, than Radeon 550X.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon 550X - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon 550X - with GCN 4.0.
Core clock speed of Radeon 550X is 422 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon 550X - by 14 nm process technology.
Memory clock speed of Radeon 550X is 6150 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks


high / 1080p	6−7	7−8
ultra / 1080p	4−5	4−5
QHD / 1440p	0−1	0−1
low / 720p	16−18	16−18
medium / 1080p	8−9	9−10
Mobility Radeon HD 3870 X2 and Radeon 550X have the same average FPS in Assassin's Creed Odyssey.
high / 1080p	12−14	12−14
ultra / 1080p	10−11	10−12
QHD / 1440p	0−1	0−1
low / 720p	24−27	24−27
medium / 1080p	12−14	12−14
Mobility Radeon HD 3870 X2 and Radeon 550X have the same average FPS in Battlefield 5.
low / 768p	45−50	45−50
high / 1080p	45−50	45−50
QHD / 1440p	0−1	0−1
Mobility Radeon HD 3870 X2 and Radeon 550X have the same average FPS in Call of Duty: Warzone.
low / 768p	130−140	140−150
medium / 768p	110−120	110−120
ultra / 1080p	50−55	55−60
QHD / 1440p	27−30	30−35
4K / 2160p	27−30	27−30
high / 768p	80−85	85−90
The average gaming FPS of Radeon 550X in Counter-Strike: Global Offensive is 5% more, than Mobility Radeon HD 3870 X2.
low / 768p	55−60	55−60
ultra / 1080p	18−20	20−22
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon 550X in Cyberpunk 2077 is 2% more, than Mobility Radeon HD 3870 X2.
low / 768p	80−85	80−85
medium / 768p	55−60	60−65
ultra / 1080p	30−35	35−40
The average gaming FPS of Radeon 550X in Dota 2 is 5% more, than Mobility Radeon HD 3870 X2.
high / 1080p	8−9	8−9
ultra / 1080p	7−8	8−9
4K / 2160p	3−4	4−5
low / 720p	18−20	20−22
medium / 1080p	8−9	9−10
The average gaming FPS of Radeon 550X in Far Cry 5 is 11% more, than Mobility Radeon HD 3870 X2.
high / 1080p	14−16	14−16
ultra / 1080p	10−11	10−12
low / 720p	60−65	60−65
medium / 1080p	21−24	24−27
The average gaming FPS of Radeon 550X in Fortnite is 3% more, than Mobility Radeon HD 3870 X2.
high / 1080p	12−14	12−14
ultra / 1080p	10−12	10−12
QHD / 1440p	1−2	1−2
low / 720p	24−27	27−30
medium / 1080p	14−16	14−16
Mobility Radeon HD 3870 X2 and Radeon 550X have the same average FPS in Forza Horizon 4.
low / 768p	50−55	55−60
medium / 768p	45−50	45−50
high / 1080p	12−14	12−14
ultra / 1080p	6−7	6−7
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon 550X in Grand Theft Auto V is 6% more, than Mobility Radeon HD 3870 X2.
high / 1080p	4−5	5−6
ultra / 1080p	3−4	3−4
4K / 2160p	0−1	0−1
low / 720p	12−14	12−14
medium / 1080p	6−7	7−8
The average gaming FPS of Radeon 550X in Metro Exodus is 16% more, than Mobility Radeon HD 3870 X2.
low / 768p	95−100	95−100
high / 1080p	85−90	90−95
ultra / 1080p	80−85	80−85
medium / 1080p	90−95	90−95
The average gaming FPS of Radeon 550X in Minecraft is 1% more, than Mobility Radeon HD 3870 X2.
high / 1080p	16−18	16−18
ultra / 1080p	14−16	14−16
low / 720p	30−35	30−35
medium / 1080p	18−20	18−20
Mobility Radeon HD 3870 X2 and Radeon 550X have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p	7−8	7−8
QHD / 1440p	0−1	0−1
low / 720p	12−14	12−14
medium / 1080p	10−12	10−12
Mobility Radeon HD 3870 X2 and Radeon 550X have the same average FPS in Red Dead Redemption 2.
low / 768p	24−27	24−27
medium / 768p	16−18	16−18
high / 1080p	9−10	10−11
ultra / 1080p	6−7	6−7
4K / 2160p	6−7	6−7
Mobility Radeon HD 3870 X2 and Radeon 550X have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p	85−90	85−90
medium / 768p	45−50	45−50
ultra / 1080p	18−20	20−22
high / 768p	35−40	35−40
The average gaming FPS of Radeon 550X in World of Tanks is 2% more, than Mobility Radeon HD 3870 X2.

Full Specs

	Mobility Radeon HD 3870 X2	Radeon 550X
Architecture	RV6xx	GCN 4.0
Code name	M88-XT CF	Lexa
Type	Laptop	Desktop
Release date	1 September 2008	27 March 2019
Pipelines	640	512
Core clock speed	660 MHz	1082 MHz
Boost Clock		1218 MHz
Transistor count	666 million	2,200 million
Manufacturing process technology	55 nm	14 nm
Texture fill rate	10.56	38.98
Floating-point performance	2x 422.4 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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Mobility Radeon HD 3870 X2 vs Radeon 550X

Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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