Mobility Radeon HD 3870 X2 vs Radeon HD 6850M
In this comparison between Mobility Radeon HD 3870 X2 and Radeon HD 6850M 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 HD 6850M will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 3870 X2 and Radeon HD 6850M are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Radeon HD 6850M are only used in laptop graphics. They have 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 or Radeon HD 6850M here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon HD 6850M
Power consumption (TDP)
110 Watt
50 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Memory type
GDDR3
DDR3, GDDR5
Maximum RAM amount
512 MB
1 GB
Display Connectors
No outputs
No outputs
Check Price
Check Price
Mobility Radeon HD 3870 X2 has 120% more power consumption, than Radeon HD 6850M.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 3870 X2 has 511 GB more memory, than Radeon HD 6850M.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 6850M - with Terascale 2.
Core clock speed of Mobility Radeon HD 3870 X2 is 85 MHz higher, than Radeon HD 6850M.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 6850M - by 40 nm process technology.
Memory clock speed of Mobility Radeon HD 3870 X2 is 50 MHz higher, than Radeon HD 6850M.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
6−7
2−3
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 6850M.
high / 1080p
12−14
−
ultra / 1080p
10−11
4−5
QHD / 1440p
0−1
0−1
low / 720p
24−27
14−16
medium / 1080p
12−14
6−7
The average gaming FPS of Mobility Radeon HD 3870 X2 in Battlefield 5 is 100% more, than Radeon HD 6850M.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6850M in Call of Duty: Warzone is 6% more, than Mobility Radeon HD 3870 X2.
low / 768p
130−140
120−130
medium / 768p
110−120
95−100
ultra / 1080p
50−55
40−45
QHD / 1440p
27−30
−
4K / 2160p
27−30
10−11
high / 768p
80−85
65−70
The average gaming FPS of Mobility Radeon HD 3870 X2 in Counter-Strike: Global Offensive is 20% more, than Radeon HD 6850M.
low / 768p
55−60
70−75
ultra / 1080p
18−20
16−18
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6850M in Cyberpunk 2077 is 9% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
75−80
medium / 768p
55−60
45−50
ultra / 1080p
30−35
21−24
The average gaming FPS of Mobility Radeon HD 3870 X2 in Dota 2 is 16% more, than Radeon HD 6850M.
high / 1080p
8−9
3−4
ultra / 1080p
7−8
3−4
4K / 2160p
3−4
1−2
low / 720p
18−20
12−14
medium / 1080p
8−9
4−5
The average gaming FPS of Mobility Radeon HD 3870 X2 in Far Cry 5 is 80% more, than Radeon HD 6850M.
high / 1080p
14−16
10−12
ultra / 1080p
10−11
6−7
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 35% more, than Radeon HD 6850M.
high / 1080p
12−14
4−5
ultra / 1080p
10−12
−
QHD / 1440p
1−2
0−1
low / 720p
24−27
18−20
medium / 1080p
14−16
7−8
The average gaming FPS of Mobility Radeon HD 3870 X2 in Forza Horizon 4 is 70% more, than Radeon HD 6850M.
low / 768p
50−55
45−50
medium / 768p
45−50
−
high / 1080p
12−14
5−6
ultra / 1080p
6−7
3−4
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 6850M.
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 6850M.
low / 768p
95−100
90−95
high / 1080p
85−90
60−65
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Mobility Radeon HD 3870 X2 in Minecraft is 19% more, than Radeon HD 6850M.
high / 1080p
16−18
14−16
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 17% more, than Radeon HD 6850M.
ultra / 1080p
7−8
3−4
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 6850M.
low / 768p
24−27
10−12
medium / 768p
16−18
8−9
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 133% more, than Radeon HD 6850M.
low / 768p
85−90
75−80
medium / 768p
45−50
40−45
ultra / 1080p
18−20
14−16
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 6850M.
Full Specs
Mobility Radeon HD 3870 X2
Radeon HD 6850M
Architecture
RV6xx
Terascale 2
Code name
M88-XT CF
Granville Pro/LP
Type
Laptop
Laptop
Release date
1 September 2008
6 January 2011
Pipelines
640
800
Core clock speed
660 MHz
575 / 675 MHz
Transistor count
666 million
1,040 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
10.56
27.00
Floating-point performance
2x 422.4 gflops
1,080.0 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
800 MHz
Memory bandwidth
54.4 GB/s
25.6 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
large
Check Price
Check Price
