Mobility Radeon HD 3870 X2 vs Mobility Radeon HD 5870 Crossfire
Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Mobility Radeon HD 5870 Crossfire. 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 Mobility Radeon HD 5870 Crossfire. 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 and Mobility Radeon HD 5870 Crossfire are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Mobility Radeon HD 5870 Crossfire 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 5870 Crossfire here:
Main Specs
Mobility Radeon HD 3870 X2
Mobility Radeon HD 5870 Crossfire
Power consumption (TDP)
110 Watt
120 Watt
Interface
PCIe 2.0 x16
Memory type
GDDR3
DDR3, GDDR3, GDDR5
Maximum RAM amount
512 MB
2x1 GB
Display Connectors
No outputs
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Mobility Radeon HD 5870 Crossfire has 9% more power consumption, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 has 510 GB more memory, than Mobility Radeon HD 5870 Crossfire.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Mobility Radeon HD 5870 Crossfire - with Terascale 2.
Core clock speed of Mobility Radeon HD 5870 Crossfire is 40 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Mobility Radeon HD 5870 Crossfire - by 40 nm process technology.
Memory clock speed of Mobility Radeon HD 5870 Crossfire is 150 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
16−18
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
4−5
low / 720p
16−18
30−35
medium / 1080p
8−9
18−20
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 111% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
24−27
ultra / 1080p
10−11
21−24
QHD / 1440p
0−1
8−9
4K / 2160p
−
6−7
low / 720p
24−27
50−55
medium / 1080p
12−14
27−30
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Battlefield 5 is 113% 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 Mobility Radeon HD 5870 Crossfire have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
210−220
medium / 768p
110−120
180−190
ultra / 1080p
50−55
100−110
QHD / 1440p
27−30
50−55
4K / 2160p
27−30
30−35
high / 768p
80−85
140−150
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Counter-Strike: Global Offensive is 67% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
18−20
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Cyberpunk 2077 is 19% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
110−120
medium / 768p
55−60
95−100
ultra / 1080p
30−35
65−70
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Dota 2 is 63% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
18−20
ultra / 1080p
7−8
16−18
QHD / 1440p
−
16−18
4K / 2160p
3−4
6−7
low / 720p
18−20
40−45
medium / 1080p
8−9
20−22
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Far Cry 5 is 133% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
20−22
QHD / 1440p
−
16−18
low / 720p
60−65
100−110
medium / 1080p
21−24
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Fortnite is 92% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
27−30
ultra / 1080p
10−12
21−24
QHD / 1440p
1−2
9−10
4K / 2160p
−
9−10
low / 720p
24−27
55−60
medium / 1080p
14−16
30−33
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Forza Horizon 4 is 123% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
85−90
medium / 768p
45−50
75−80
high / 1080p
12−14
30−35
ultra / 1080p
6−7
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Grand Theft Auto V is 79% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
10−11
ultra / 1080p
3−4
8−9
4K / 2160p
0−1
3−4
low / 720p
12−14
30−35
medium / 1080p
6−7
12−14
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Metro Exodus is 166% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
110−120
high / 1080p
85−90
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
100−110
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Minecraft is 15% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
18−20
low / 720p
30−35
55−60
medium / 1080p
18−20
24−27
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 55% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
0−1
0−1
low / 720p
12−14
30−33
medium / 1080p
10−12
16−18
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Red Dead Redemption 2 is 90% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
55−60
medium / 768p
16−18
35−40
high / 1080p
9−10
20−22
ultra / 1080p
6−7
10−12
4K / 2160p
6−7
8−9
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in The Witcher 3: Wild Hunt is 107% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
100−110
medium / 768p
45−50
60−65
ultra / 1080p
18−20
35−40
high / 768p
35−40
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in World of Tanks is 38% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Mobility Radeon HD 5870 Crossfire
Architecture
RV6xx
Terascale 2
Code name
M88-XT CF
Broadway-XT
Type
Laptop
Laptop
Release date
1 September 2008
7 January 2010
Pipelines
640
1600
Core clock speed
660 MHz
700 MHz
Transistor count
666 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
10.56
Floating-point performance
2x 422.4 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
1000 MHz
Memory bandwidth
54.4 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
DirectX 11, Shader 5.0
Shader Model
4.1
OpenGL
3.3
OpenCL
N/A
Vulkan
N/A
Laptop size
large
large
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