Mobility Radeon HD 3870 X2 vs Radeon RX Vega 11

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 3870 X2 and Radeon RX Vega 11, 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 RX Vega 11, check out specs charts below.

Mobility Radeon HD 3870 X2 Check Price

Radeon RX Vega 11

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 RX Vega 11
Power consumption (TDP)	110 Watt	15 Watt
Interface	PCIe 2.0 x16	IGP
Supplementary power connectors		None
Memory type	GDDR3	System Shared
Maximum RAM amount	512 MB
Display Connectors	No outputs	No outputs
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Mobility Radeon HD 3870 X2 has 633% more power consumption, than Radeon RX Vega 11.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon RX Vega 11 uses IGP interface.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon RX Vega 11 - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon RX Vega 11 - with Vega.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon RX Vega 11 - by 14 nm process technology.

Game benchmarks


high / 1080p	6−7	10−11
ultra / 1080p	4−5	6−7
QHD / 1440p	0−1	1−2
low / 720p	16−18	21−24
medium / 1080p	8−9	12−14
The average gaming FPS of Radeon RX Vega 11 in Assassin's Creed Odyssey is 44% more, than Mobility Radeon HD 3870 X2.
high / 1080p	12−14	16−18
ultra / 1080p	10−11	14−16
QHD / 1440p	0−1	0−1
low / 720p	24−27	35−40
medium / 1080p	12−14	18−20
The average gaming FPS of Radeon RX Vega 11 in Battlefield 5 is 46% 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 Vega 11 have the same average FPS in Call of Duty: Warzone.
low / 768p	130−140	170−180
medium / 768p	110−120	140−150
ultra / 1080p	50−55	70−75
QHD / 1440p	27−30	40−45
4K / 2160p	27−30	30−33
high / 768p	80−85	110−120
The average gaming FPS of Radeon RX Vega 11 in Counter-Strike: Global Offensive is 31% more, than Mobility Radeon HD 3870 X2.
low / 768p	55−60	55−60
ultra / 1080p	18−20	27−30
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon RX Vega 11 in Cyberpunk 2077 is 7% more, than Mobility Radeon HD 3870 X2.
low / 768p	80−85	95−100
medium / 768p	55−60	75−80
ultra / 1080p	30−35	45−50
The average gaming FPS of Radeon RX Vega 11 in Dota 2 is 29% more, than Mobility Radeon HD 3870 X2.
high / 1080p	8−9	12−14
ultra / 1080p	7−8	10−12
4K / 2160p	3−4	4−5
low / 720p	18−20	27−30
medium / 1080p	8−9	12−14
The average gaming FPS of Radeon RX Vega 11 in Far Cry 5 is 55% more, than Mobility Radeon HD 3870 X2.
high / 1080p	14−16	18−20
ultra / 1080p	10−11	14−16
low / 720p	60−65	75−80
medium / 1080p	21−24	35−40
The average gaming FPS of Radeon RX Vega 11 in Fortnite is 37% more, than Mobility Radeon HD 3870 X2.
high / 1080p	12−14	18−20
ultra / 1080p	10−12	14−16
QHD / 1440p	1−2	4−5
low / 720p	24−27	35−40
medium / 1080p	14−16	20−22
The average gaming FPS of Radeon RX Vega 11 in Forza Horizon 4 is 46% more, than Mobility Radeon HD 3870 X2.
low / 768p	50−55	65−70
medium / 768p	45−50	60−65
high / 1080p	12−14	20−22
ultra / 1080p	6−7	9−10
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon RX Vega 11 in Grand Theft Auto V is 37% more, than Mobility Radeon HD 3870 X2.
high / 1080p	4−5	7−8
ultra / 1080p	3−4	5−6
4K / 2160p	0−1	1−2
low / 720p	12−14	20−22
medium / 1080p	6−7	9−10
The average gaming FPS of Radeon RX Vega 11 in Metro Exodus is 66% more, than Mobility Radeon HD 3870 X2.
low / 768p	95−100	100−110
high / 1080p	85−90	−
ultra / 1080p	80−85	90−95
medium / 1080p	90−95	95−100
The average gaming FPS of Radeon RX Vega 11 in Minecraft is 8% more, than Mobility Radeon HD 3870 X2.
high / 1080p	16−18	18−20
ultra / 1080p	14−16	14−16
low / 720p	30−35	40−45
medium / 1080p	18−20	20−22
The average gaming FPS of Radeon RX Vega 11 in PLAYERUNKNOWN'S BATTLEGROUNDS is 20% 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	18−20
medium / 1080p	10−12	12−14
The average gaming FPS of Radeon RX Vega 11 in Red Dead Redemption 2 is 30% more, than Mobility Radeon HD 3870 X2.
low / 768p	24−27	35−40
medium / 768p	16−18	24−27
high / 1080p	9−10	12−14
ultra / 1080p	6−7	8−9
4K / 2160p	6−7	7−8
The average gaming FPS of Radeon RX Vega 11 in The Witcher 3: Wild Hunt is 38% more, than Mobility Radeon HD 3870 X2.
low / 768p	85−90	90−95
medium / 768p	45−50	50−55
ultra / 1080p	18−20	27−30
high / 768p	35−40	45−50
The average gaming FPS of Radeon RX Vega 11 in World of Tanks is 17% more, than Mobility Radeon HD 3870 X2.

Full Specs

	Mobility Radeon HD 3870 X2	Radeon RX Vega 11
Architecture	RV6xx	Vega
Code name	M88-XT CF	Vega Raven Ridge
Type	Laptop	Desktop
Release date	1 September 2008	26 October 2017
Pipelines	640	704
Core clock speed	660 MHz
Boost Clock		1240 MHz
Transistor count	666 million	4,940 million
Manufacturing process technology	55 nm	14 nm
Texture fill rate	10.56	61.60
Floating-point performance	2x 422.4 gflops	1,760 gflops
Memory bus width	256 Bit
Memory clock speed	850 MHz
Memory bandwidth	54.4 GB/s
Shared memory	-	-
DirectX	10.1 (10_1)	12 (12_1)
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 RX Vega 11

Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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