Mobility Radeon HD 3870 X2 vs Radeon R9 M270X

In this comparison between Mobility Radeon HD 3870 X2 and Radeon R9 M270X 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 R9 M270X will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 3870 X2 Check Price

Radeon R9 M270X

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 R9 M270X
Power consumption (TDP)	110 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
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 is connected by PCIe 2.0 x16, and Radeon R9 M270X uses PCIe 3.0 x16 interface.
Mobility Radeon HD 3870 X2 has 508 GB more memory, than Radeon R9 M270X.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon R9 M270X - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon R9 M270X - with GCN 1.0.
Core clock speed of Radeon R9 M270X is 65 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon R9 M270X - by 28 nm process technology.
Memory clock speed of Radeon R9 M270X is 275 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks


high / 1080p	6−7	6−7
ultra / 1080p	4−5	4−5
QHD / 1440p	0−1	0−1
low / 720p	16−18	16−18
medium / 1080p	8−9	8−9
Mobility Radeon HD 3870 X2 and Radeon R9 M270X have the same average FPS in Assassin's Creed Odyssey.
high / 1080p	12−14	10−12
ultra / 1080p	10−11	10−11
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 R9 M270X 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 R9 M270X have the same average FPS in Call of Duty: Warzone.
low / 768p	130−140	130−140
medium / 768p	110−120	100−110
ultra / 1080p	50−55	50−55
QHD / 1440p	27−30	27−30
4K / 2160p	27−30	27−30
high / 768p	80−85	75−80
The average gaming FPS of Mobility Radeon HD 3870 X2 in Counter-Strike: Global Offensive is 2% more, than Radeon R9 M270X.
low / 768p	55−60	55−60
ultra / 1080p	18−20	18−20
medium / 1080p	45−50	45−50
Mobility Radeon HD 3870 X2 and Radeon R9 M270X have the same average FPS in Cyberpunk 2077.
low / 768p	80−85	75−80
medium / 768p	55−60	55−60
ultra / 1080p	30−35	30−35
The average gaming FPS of Mobility Radeon HD 3870 X2 in Dota 2 is 3% more, than Radeon R9 M270X.
high / 1080p	8−9	8−9
ultra / 1080p	7−8	7−8
4K / 2160p	3−4	3−4
low / 720p	18−20	18−20
medium / 1080p	8−9	8−9
Mobility Radeon HD 3870 X2 and Radeon R9 M270X have the same average FPS in Far Cry 5.
high / 1080p	14−16	14−16
ultra / 1080p	10−11	10−11
low / 720p	60−65	60−65
medium / 1080p	21−24	21−24
Mobility Radeon HD 3870 X2 and Radeon R9 M270X have the same average FPS in Fortnite.
high / 1080p	12−14	12−14
ultra / 1080p	10−12	10−12
QHD / 1440p	1−2	1−2
low / 720p	24−27	24−27
medium / 1080p	14−16	12−14
The average gaming FPS of Mobility Radeon HD 3870 X2 in Forza Horizon 4 is 8% more, than Radeon R9 M270X.
low / 768p	50−55	50−55
medium / 768p	45−50	45−50
high / 1080p	12−14	12−14
ultra / 1080p	6−7	6−7
QHD / 1440p	0−1	0−1
Mobility Radeon HD 3870 X2 and Radeon R9 M270X have the same average FPS in Grand Theft Auto V.
high / 1080p	4−5	4−5
ultra / 1080p	3−4	3−4
4K / 2160p	0−1	0−1
low / 720p	12−14	12−14
medium / 1080p	6−7	6−7
Mobility Radeon HD 3870 X2 and Radeon R9 M270X have the same average FPS in Metro Exodus.
low / 768p	95−100	90−95
high / 1080p	85−90	85−90
ultra / 1080p	80−85	80−85
medium / 1080p	90−95	90−95
The average gaming FPS of Mobility Radeon HD 3870 X2 in Minecraft is 2% more, than Radeon R9 M270X.
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 R9 M270X 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	10−12
medium / 1080p	10−12	10−12
The average gaming FPS of Mobility Radeon HD 3870 X2 in Red Dead Redemption 2 is 11% more, than Radeon R9 M270X.
low / 768p	24−27	24−27
medium / 768p	16−18	16−18
high / 1080p	9−10	9−10
ultra / 1080p	6−7	6−7
4K / 2160p	6−7	−
Mobility Radeon HD 3870 X2 and Radeon R9 M270X have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p	85−90	85−90
medium / 768p	45−50	40−45
ultra / 1080p	18−20	18−20
high / 768p	35−40	35−40
The average gaming FPS of Mobility Radeon HD 3870 X2 in World of Tanks is 2% more, than Radeon R9 M270X.

Full Specs

	Mobility Radeon HD 3870 X2	Radeon R9 M270X
Architecture	RV6xx	GCN 1.0
Code name	M88-XT CF	Venus
Type	Laptop	Desktop
Release date	1 September 2008	21 March 2014
Pipelines	640	640
Core clock speed	660 MHz	725 MHz
Boost Clock		775 MHz
Transistor count	666 million	1,500 million
Manufacturing process technology	55 nm	28 nm
Texture fill rate	10.56	31.00
Floating-point performance	2x 422.4 gflops	1,536 gflops
Memory bus width	256 Bit	128 Bit
Memory clock speed	850 MHz	1125 MHz
Memory bandwidth	54.4 GB/s	72 GB/s
Shared memory	-
DirectX	10.1 (10_1)
Shader Model	4.1	5.1
OpenGL	3.3	4.4
OpenCL	N/A	Not Listed
Vulkan	N/A
FreeSync		+
Bus support		PCIe 3.0 x16
Laptop size	large
Eyefinity		+
HD3D		+
PowerTune		+
DualGraphics		+
ZeroCore		+
Switchable graphics		+
Mantle		+
Compute units		10
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Mobility Radeon HD 3870 X2 vs Radeon R9 M270X

Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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