Mobility Radeon HD 3870 X2 vs Radeon RX 480 mobile
Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon RX 480 mobile. 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 RX 480 mobile. 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 Radeon RX 480 mobile are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Radeon RX 480 mobile 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 RX 480 mobile here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon RX 480 mobile
Power consumption (TDP)
110 Watt
100 Watt
Interface
PCIe 2.0 x16
MXM-B (3.0)
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
8 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 3870 X2 has 10% more power consumption, than Radeon RX 480 mobile.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon RX 480 mobile uses MXM-B (3.0) interface.
Mobility Radeon HD 3870 X2 has 504 GB more memory, than Radeon RX 480 mobile.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon RX 480 mobile - with Polaris.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon RX 480 mobile - by 14 nm process technology.
Memory clock speed of Radeon RX 480 mobile is 7150 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
12−14
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
16−18
27−30
medium / 1080p
8−9
14−16
The average gaming FPS of Radeon RX 480 mobile in Assassin's Creed Odyssey is 77% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
20−22
ultra / 1080p
10−11
16−18
QHD / 1440p
0−1
0−1
low / 720p
24−27
45−50
medium / 1080p
12−14
21−24
The average gaming FPS of Radeon RX 480 mobile in Battlefield 5 is 80% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX 480 mobile in Call of Duty: Warzone is 6% more, than Mobility Radeon HD 3870 X2.
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
24−27
high / 768p
80−85
120−130
The average gaming FPS of Radeon RX 480 mobile in Counter-Strike: Global Offensive is 46% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
60−65
ultra / 1080p
18−20
35−40
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon RX 480 mobile in Cyberpunk 2077 is 26% 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 RX 480 mobile in Dota 2 is 45% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
14−16
ultra / 1080p
7−8
12−14
4K / 2160p
3−4
4−5
low / 720p
18−20
30−35
medium / 1080p
8−9
16−18
The average gaming FPS of Radeon RX 480 mobile in Far Cry 5 is 77% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
21−24
ultra / 1080p
10−11
16−18
QHD / 1440p
−
10−12
low / 720p
60−65
90−95
medium / 1080p
21−24
45−50
The average gaming FPS of Radeon RX 480 mobile in Fortnite is 62% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
21−24
ultra / 1080p
10−12
16−18
QHD / 1440p
1−2
5−6
low / 720p
24−27
45−50
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon RX 480 mobile in Forza Horizon 4 is 76% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
75−80
medium / 768p
45−50
70−75
high / 1080p
12−14
24−27
ultra / 1080p
6−7
10−11
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX 480 mobile in Grand Theft Auto V is 58% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
7−8
ultra / 1080p
3−4
6−7
4K / 2160p
0−1
0−1
low / 720p
12−14
24−27
medium / 1080p
6−7
10−12
The average gaming FPS of Radeon RX 480 mobile 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
100−110
medium / 1080p
90−95
100−110
The average gaming FPS of Radeon RX 480 mobile in Minecraft is 16% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
50−55
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon RX 480 mobile in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
10−12
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
24−27
medium / 1080p
10−12
14−16
The average gaming FPS of Radeon RX 480 mobile 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
5−6
The average gaming FPS of Radeon RX 480 mobile in The Witcher 3: Wild Hunt is 61% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
90−95
medium / 768p
45−50
55−60
ultra / 1080p
18−20
30−35
high / 768p
35−40
50−55
The average gaming FPS of Radeon RX 480 mobile in World of Tanks is 23% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon RX 480 mobile
Architecture
RV6xx
Polaris
Code name
M88-XT CF
Polaris
Type
Laptop
Laptop
Release date
1 September 2008
1 August 2016
Pipelines
640
2304
Core clock speed
660 MHz
Boost Clock
1077 MHz
Transistor count
666 million
5,700 million
Manufacturing process technology
55 nm
14 nm
Texture fill rate
10.56
155.1
Floating-point performance
2x 422.4 gflops
4,963 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
850 MHz
8000 MHz
Memory bandwidth
54.4 GB/s
256.0 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
12 (12_0)
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
large
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