Mobility Radeon HD 3870 X2 vs Mobility Radeon HD 5850
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 3870 X2 and Mobility Radeon HD 5850, 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 Mobility Radeon HD 5850, check out specs charts below.
Mobility Radeon HD 3870 X2 and Mobility Radeon HD 5850 are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Mobility Radeon HD 5850 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 Mobility Radeon HD 5850 here:
Main Specs
Mobility Radeon HD 3870 X2
Mobility Radeon HD 5850
Power consumption (TDP)
110 Watt
30 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Memory type
GDDR3
DDR3, 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 266% more power consumption, than Mobility Radeon HD 5850.
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 Mobility Radeon HD 5850.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Mobility Radeon HD 5850 - with Terascale 2.
Core clock speed of Mobility Radeon HD 3870 X2 is 35 MHz higher, than Mobility Radeon HD 5850.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Mobility Radeon HD 5850 - by 40 nm process technology.
Memory clock speed of Mobility Radeon HD 5850 is 1150 MHz higher, than Mobility Radeon HD 3870 X2.
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
5−6
ultra / 1080p
4−5
3−4
QHD / 1440p
0−1
0−1
low / 720p
16−18
14−16
medium / 1080p
8−9
7−8
The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 28% more, than Mobility Radeon HD 5850.
high / 1080p
12−14
10−11
ultra / 1080p
10−11
9−10
QHD / 1440p
0−1
0−1
low / 720p
24−27
21−24
medium / 1080p
12−14
10−11
The average gaming FPS of Mobility Radeon HD 3870 X2 in Battlefield 5 is 15% more, than Mobility Radeon HD 5850.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 3870 X2 and Mobility Radeon HD 5850 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
120−130
medium / 768p
110−120
95−100
ultra / 1080p
50−55
45−50
QHD / 1440p
27−30
24−27
4K / 2160p
27−30
−
high / 768p
80−85
70−75
The average gaming FPS of Mobility Radeon HD 3870 X2 in Counter-Strike: Global Offensive is 12% more, than Mobility Radeon HD 5850.
low / 768p
55−60
55−60
ultra / 1080p
18−20
16−18
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 3870 X2 in Cyberpunk 2077 is 2% more, than Mobility Radeon HD 5850.
low / 768p
80−85
75−80
medium / 768p
55−60
50−55
ultra / 1080p
30−35
27−30
The average gaming FPS of Mobility Radeon HD 3870 X2 in Dota 2 is 9% more, than Mobility Radeon HD 5850.
high / 1080p
8−9
7−8
ultra / 1080p
7−8
6−7
4K / 2160p
3−4
3−4
low / 720p
18−20
16−18
medium / 1080p
8−9
7−8
The average gaming FPS of Mobility Radeon HD 3870 X2 in Far Cry 5 is 12% more, than Mobility Radeon HD 5850.
high / 1080p
14−16
14−16
ultra / 1080p
10−11
9−10
low / 720p
60−65
55−60
medium / 1080p
21−24
18−20
The average gaming FPS of Mobility Radeon HD 3870 X2 in Fortnite is 8% more, than Mobility Radeon HD 5850.
high / 1080p
12−14
10−11
ultra / 1080p
10−12
10−11
QHD / 1440p
1−2
0−1
low / 720p
24−27
21−24
medium / 1080p
14−16
12−14
The average gaming FPS of Mobility Radeon HD 3870 X2 in Forza Horizon 4 is 14% more, than Mobility Radeon HD 5850.
low / 768p
50−55
45−50
medium / 768p
45−50
40−45
high / 1080p
12−14
10−11
ultra / 1080p
6−7
5−6
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 3870 X2 in Grand Theft Auto V is 11% more, than Mobility Radeon HD 5850.
high / 1080p
4−5
4−5
ultra / 1080p
3−4
2−3
4K / 2160p
0−1
0−1
low / 720p
12−14
10−11
medium / 1080p
6−7
5−6
The average gaming FPS of Mobility Radeon HD 3870 X2 in Metro Exodus is 20% more, than Mobility Radeon HD 5850.
low / 768p
95−100
90−95
high / 1080p
85−90
85−90
ultra / 1080p
80−85
75−80
medium / 1080p
90−95
90−95
The average gaming FPS of Mobility Radeon HD 3870 X2 in Minecraft is 3% more, than Mobility Radeon HD 5850.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
27−30
medium / 1080p
18−20
16−18
The average gaming FPS of Mobility Radeon HD 3870 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Mobility Radeon HD 5850.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−11
medium / 1080p
10−12
−
The average gaming FPS of Mobility Radeon HD 3870 X2 in Red Dead Redemption 2 is 11% more, than Mobility Radeon HD 5850.
low / 768p
24−27
21−24
medium / 768p
16−18
14−16
high / 1080p
9−10
8−9
ultra / 1080p
6−7
5−6
4K / 2160p
6−7
−
The average gaming FPS of Mobility Radeon HD 3870 X2 in The Witcher 3: Wild Hunt is 16% more, than Mobility Radeon HD 5850.
low / 768p
85−90
80−85
medium / 768p
45−50
40−45
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 9% more, than Mobility Radeon HD 5850.
Full Specs
Mobility Radeon HD 3870 X2
Mobility Radeon HD 5850
Architecture
RV6xx
Terascale 2
Code name
M88-XT CF
Broadway-PRO
Type
Laptop
Laptop
Release date
1 September 2008
7 January 2010
Pipelines
640
800
Core clock speed
660 MHz
625 MHz
Transistor count
666 million
1,040 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
10.56
20.00
Floating-point performance
2x 422.4 gflops
800.0 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
2000 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
large
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