Mobility Radeon HD 3870 X2 vs Radeon HD 7670A

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 3870 X2 and Radeon HD 7670A, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 3870 X2 stacks up against Radeon HD 7670A, check out specs charts below.

Mobility Radeon HD 3870 X2 Check Price

Radeon HD 7670A

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 HD 7670A
Power consumption (TDP)	110 Watt	45 Watt
Interface	PCIe 2.0 x16	MXM-A (3.0)
Memory type	GDDR3	GDDR5
Maximum RAM amount	512 MB	1 GB
Display Connectors	No outputs	No outputs
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Mobility Radeon HD 3870 X2 has 144% more power consumption, than Radeon HD 7670A.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon HD 7670A uses MXM-A (3.0) interface.
Mobility Radeon HD 3870 X2 has 511 GB more memory, than Radeon HD 7670A.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon HD 7670A - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 7670A - with TeraScale 2.
Core clock speed of Mobility Radeon HD 3870 X2 is 60 MHz higher, than Radeon HD 7670A.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 7670A - by 40 nm process technology.
Memory clock speed of Radeon HD 7670A is 3150 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks


high / 1080p	6−7	1−2
ultra / 1080p	4−5	0−1
QHD / 1440p	0−1	0−1
low / 720p	16−18	12−14
medium / 1080p	8−9	3−4
The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 66% more, than Radeon HD 7670A.
high / 1080p	12−14	−
ultra / 1080p	10−11	4−5
QHD / 1440p	0−1	0−1
low / 720p	24−27	16−18
medium / 1080p	12−14	5−6
The average gaming FPS of Mobility Radeon HD 3870 X2 in Battlefield 5 is 77% more, than Radeon HD 7670A.
low / 768p	45−50	45−50
high / 1080p	45−50	40−45
QHD / 1440p	0−1	0−1
The average gaming FPS of Mobility Radeon HD 3870 X2 in Call of Duty: Warzone is 4% more, than Radeon HD 7670A.
low / 768p	130−140	120−130
medium / 768p	110−120	90−95
ultra / 1080p	50−55	40−45
QHD / 1440p	27−30	24−27
4K / 2160p	27−30	18−20
high / 768p	80−85	65−70
The average gaming FPS of Mobility Radeon HD 3870 X2 in Counter-Strike: Global Offensive is 17% more, than Radeon HD 7670A.
low / 768p	55−60	85−90
ultra / 1080p	18−20	16−18
medium / 1080p	45−50	40−45
The average gaming FPS of Radeon HD 7670A in Cyberpunk 2077 is 19% more, than Mobility Radeon HD 3870 X2.
low / 768p	80−85	75−80
medium / 768p	55−60	50−55
ultra / 1080p	30−35	24−27
The average gaming FPS of Mobility Radeon HD 3870 X2 in Dota 2 is 11% more, than Radeon HD 7670A.
high / 1080p	8−9	2−3
ultra / 1080p	7−8	2−3
4K / 2160p	3−4	0−1
low / 720p	18−20	12−14
medium / 1080p	8−9	3−4
The average gaming FPS of Mobility Radeon HD 3870 X2 in Far Cry 5 is 100% more, than Radeon HD 7670A.
high / 1080p	14−16	10−11
ultra / 1080p	10−11	5−6
QHD / 1440p	−	2−3
low / 720p	60−65	50−55
medium / 1080p	21−24	10−12
The average gaming FPS of Mobility Radeon HD 3870 X2 in Fortnite is 42% more, than Radeon HD 7670A.
high / 1080p	12−14	4−5
ultra / 1080p	10−12	−
QHD / 1440p	1−2	0−1
low / 720p	24−27	16−18
medium / 1080p	14−16	7−8
The average gaming FPS of Mobility Radeon HD 3870 X2 in Forza Horizon 4 is 88% more, than Radeon HD 7670A.
low / 768p	50−55	45−50
medium / 768p	45−50	−
high / 1080p	12−14	5−6
ultra / 1080p	6−7	2−3
QHD / 1440p	0−1	0−1
medium / 720p	−	35−40
The average gaming FPS of Mobility Radeon HD 3870 X2 in Grand Theft Auto V is 33% more, than Radeon HD 7670A.
high / 1080p	4−5	1−2
ultra / 1080p	3−4	0−1
4K / 2160p	0−1	0−1
low / 720p	12−14	5−6
medium / 1080p	6−7	3−4
The average gaming FPS of Mobility Radeon HD 3870 X2 in Metro Exodus is 166% more, than Radeon HD 7670A.
low / 768p	95−100	90−95
high / 1080p	85−90	85−90
ultra / 1080p	80−85	70−75
medium / 1080p	90−95	90−95
The average gaming FPS of Mobility Radeon HD 3870 X2 in Minecraft is 4% more, than Radeon HD 7670A.
high / 1080p	16−18	−
ultra / 1080p	14−16	12−14
low / 720p	30−35	27−30
medium / 1080p	18−20	14−16
The average gaming FPS of Mobility Radeon HD 3870 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than Radeon HD 7670A.
ultra / 1080p	7−8	4−5
QHD / 1440p	0−1	0−1
low / 720p	12−14	6−7
medium / 1080p	10−12	−
The average gaming FPS of Mobility Radeon HD 3870 X2 in Red Dead Redemption 2 is 100% more, than Radeon HD 7670A.
low / 768p	24−27	12−14
medium / 768p	16−18	9−10
high / 1080p	9−10	4−5
ultra / 1080p	6−7	3−4
4K / 2160p	6−7	0−1
The average gaming FPS of Mobility Radeon HD 3870 X2 in The Witcher 3: Wild Hunt is 100% more, than Radeon HD 7670A.
low / 768p	85−90	75−80
medium / 768p	45−50	35−40
ultra / 1080p	18−20	16−18
high / 768p	35−40	30−35
The average gaming FPS of Mobility Radeon HD 3870 X2 in World of Tanks is 14% more, than Radeon HD 7670A.

Full Specs

	Mobility Radeon HD 3870 X2	Radeon HD 7670A
Architecture	RV6xx	TeraScale 2
Code name	M88-XT CF	Turks
Type	Laptop	Desktop
Release date	1 September 2008	5 January 2012
Pipelines	640	480
Core clock speed	660 MHz	600 MHz
Transistor count	666 million	716 million
Manufacturing process technology	55 nm	40 nm
Texture fill rate	10.56	14.40
Floating-point performance	2x 422.4 gflops	576.0 gflops
Memory bus width	256 Bit	128 Bit
Memory clock speed	850 MHz	4000 MHz
Memory bandwidth	54.4 GB/s	64 GB/s
Shared memory	-
DirectX	10.1 (10_1)	11.2 (11_0)
Shader Model	4.1	5.0
OpenGL	3.3	4.4
OpenCL	N/A	1.2
Vulkan	N/A	N/A
Laptop size	large
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Mobility Radeon HD 3870 X2 vs Radeon HD 7670A

Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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