Mobility Radeon HD 3870 X2 vs Radeon HD 6850 X2

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon HD 6850 X2. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 3870 X2 and Radeon HD 6850 X2. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Mobility Radeon HD 3870 X2 Check Price

Radeon HD 6850 X2

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 6850 X2
Power consumption (TDP)	110 Watt	254 Watt
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Supplementary power connectors		2x 8-pin
Memory type	GDDR3	GDDR5
Maximum RAM amount	512 MB	2 GB
Display Connectors	No outputs	2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6850 X2 has 130% more power consumption, than Mobility Radeon HD 3870 X2.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 3870 X2 has 510 GB more memory, than Radeon HD 6850 X2.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon HD 6850 X2 - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 6850 X2 - with TeraScale 2.
Core clock speed of Radeon HD 6850 X2 is 140 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
Memory clock speed of Radeon HD 6850 X2 is 3350 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks


high / 1080p	6−7	12−14
ultra / 1080p	4−5	7−8
QHD / 1440p	0−1	2−3
low / 720p	16−18	27−30
medium / 1080p	8−9	16−18
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 77% more, than Mobility Radeon HD 3870 X2.
high / 1080p	12−14	21−24
ultra / 1080p	10−11	18−20
QHD / 1440p	0−1	4−5
low / 720p	24−27	45−50
medium / 1080p	12−14	21−24
The average gaming FPS of Radeon HD 6850 X2 in Battlefield 5 is 80% 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 HD 6850 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p	130−140	190−200
medium / 768p	110−120	160−170
ultra / 1080p	50−55	85−90
QHD / 1440p	27−30	45−50
4K / 2160p	27−30	30−33
high / 768p	80−85	120−130
The average gaming FPS of Radeon HD 6850 X2 in Counter-Strike: Global Offensive is 47% more, than Mobility Radeon HD 3870 X2.
low / 768p	55−60	55−60
ultra / 1080p	18−20	35−40
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon HD 6850 X2 in Cyberpunk 2077 is 14% more, than Mobility Radeon HD 3870 X2.
low / 768p	80−85	100−110
medium / 768p	55−60	85−90
ultra / 1080p	30−35	55−60
The average gaming FPS of Radeon HD 6850 X2 in Dota 2 is 45% more, than Mobility Radeon HD 3870 X2.
high / 1080p	8−9	14−16
ultra / 1080p	7−8	14−16
4K / 2160p	3−4	5−6
low / 720p	18−20	30−35
medium / 1080p	8−9	16−18
The average gaming FPS of Radeon HD 6850 X2 in Far Cry 5 is 88% more, than Mobility Radeon HD 3870 X2.
high / 1080p	14−16	21−24
ultra / 1080p	10−11	16−18
QHD / 1440p	−	16−18
low / 720p	60−65	85−90
medium / 1080p	21−24	45−50
The average gaming FPS of Radeon HD 6850 X2 in Fortnite is 59% more, than Mobility Radeon HD 3870 X2.
high / 1080p	12−14	21−24
ultra / 1080p	10−12	16−18
QHD / 1440p	1−2	7−8
low / 720p	24−27	45−50
medium / 1080p	14−16	24−27
The average gaming FPS of Radeon HD 6850 X2 in Forza Horizon 4 is 84% more, than Mobility Radeon HD 3870 X2.
low / 768p	50−55	75−80
medium / 768p	45−50	65−70
high / 1080p	12−14	24−27
ultra / 1080p	6−7	10−11
QHD / 1440p	0−1	1−2
The average gaming FPS of Radeon HD 6850 X2 in Grand Theft Auto V is 55% more, than Mobility Radeon HD 3870 X2.
high / 1080p	4−5	8−9
ultra / 1080p	3−4	6−7
4K / 2160p	0−1	2−3
low / 720p	12−14	24−27
medium / 1080p	6−7	10−12
The average gaming FPS of Radeon HD 6850 X2 in Metro Exodus is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p	95−100	100−110
high / 1080p	85−90	−
ultra / 1080p	80−85	95−100
medium / 1080p	90−95	100−110
The average gaming FPS of Radeon HD 6850 X2 in Minecraft is 13% more, than Mobility Radeon HD 3870 X2.
high / 1080p	16−18	21−24
ultra / 1080p	14−16	16−18
low / 720p	30−35	50−55
medium / 1080p	18−20	21−24
The average gaming FPS of Radeon HD 6850 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 40% more, than Mobility Radeon HD 3870 X2.
high / 1080p	−	12−14
ultra / 1080p	7−8	9−10
QHD / 1440p	0−1	0−1
low / 720p	12−14	24−27
medium / 1080p	10−12	14−16
The average gaming FPS of Radeon HD 6850 X2 in Red Dead Redemption 2 is 60% more, than Mobility Radeon HD 3870 X2.
low / 768p	24−27	45−50
medium / 768p	16−18	27−30
high / 1080p	9−10	16−18
ultra / 1080p	6−7	9−10
4K / 2160p	6−7	7−8
The average gaming FPS of Radeon HD 6850 X2 in The Witcher 3: Wild Hunt is 69% more, than Mobility Radeon HD 3870 X2.
low / 768p	85−90	95−100
medium / 768p	45−50	55−60
ultra / 1080p	18−20	30−35
high / 768p	35−40	50−55
The average gaming FPS of Radeon HD 6850 X2 in World of Tanks is 27% more, than Mobility Radeon HD 3870 X2.

Full Specs

	Mobility Radeon HD 3870 X2	Radeon HD 6850 X2
Architecture	RV6xx	TeraScale 2
Code name	M88-XT CF	Barts
Type	Laptop	Desktop
Release date	1 September 2008	19 September 2011
Pipelines	640	960
Core clock speed	660 MHz	800 MHz
Transistor count	666 million	1,700 million
Manufacturing process technology	55 nm	40 nm
Texture fill rate	10.56	38.40
Floating-point performance	2x 422.4 gflops	2x 1,536.0 gflops
Memory bus width	256 Bit	256 Bit
Memory clock speed	850 MHz	4200 MHz
Memory bandwidth	54.4 GB/s	134.4 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 6850 X2

Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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