Mobility Radeon HD 3870 X2 vs Radeon 540X
In this comparison between Mobility Radeon HD 3870 X2 and Radeon 540X 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 540X will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 3870 X2 and Radeon 540X are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Radeon 540X 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 540X here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon 540X
Power consumption (TDP)
110 Watt
50 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
2 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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Mobility Radeon HD 3870 X2 has 120% more power consumption, than Radeon 540X.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon 540X uses PCIe 3.0 x8 interface.
Mobility Radeon HD 3870 X2 has 510 GB more memory, than Radeon 540X.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon 540X - with GCN 4.0.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon 540X - by 14 nm process technology.
Memory clock speed of Radeon 540X is 5150 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
6−7
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 12% more, than Radeon 540X.
high / 1080p
12−14
10−12
ultra / 1080p
10−11
9−10
QHD / 1440p
0−1
0−1
low / 720p
24−27
21−24
medium / 1080p
12−14
10−12
The average gaming FPS of Mobility Radeon HD 3870 X2 in Battlefield 5 is 15% more, than Radeon 540X.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 3870 X2 and Radeon 540X have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
120−130
medium / 768p
110−120
100−110
ultra / 1080p
50−55
50−55
QHD / 1440p
27−30
27−30
4K / 2160p
27−30
−
high / 768p
80−85
75−80
The average gaming FPS of Mobility Radeon HD 3870 X2 in Counter-Strike: Global Offensive is 6% more, than Radeon 540X.
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 Radeon 540X.
low / 768p
80−85
75−80
medium / 768p
55−60
55−60
ultra / 1080p
30−35
30−35
The average gaming FPS of Mobility Radeon HD 3870 X2 in Dota 2 is 3% more, than Radeon 540X.
high / 1080p
8−9
7−8
ultra / 1080p
7−8
7−8
4K / 2160p
3−4
3−4
low / 720p
18−20
16−18
medium / 1080p
8−9
8−9
The average gaming FPS of Mobility Radeon HD 3870 X2 in Far Cry 5 is 12% more, than Radeon 540X.
high / 1080p
14−16
14−16
ultra / 1080p
10−11
10−11
low / 720p
60−65
55−60
medium / 1080p
21−24
20−22
The average gaming FPS of Mobility Radeon HD 3870 X2 in Fortnite is 3% more, than Radeon 540X.
high / 1080p
12−14
10−12
ultra / 1080p
10−12
10−11
QHD / 1440p
1−2
0−1
low / 720p
24−27
24−27
medium / 1080p
14−16
12−14
The average gaming FPS of Mobility Radeon HD 3870 X2 in Forza Horizon 4 is 6% more, than Radeon 540X.
low / 768p
50−55
50−55
medium / 768p
45−50
40−45
high / 1080p
12−14
10−12
ultra / 1080p
6−7
6−7
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 3870 X2 in Grand Theft Auto V is 3% more, than Radeon 540X.
high / 1080p
4−5
4−5
ultra / 1080p
3−4
3−4
4K / 2160p
0−1
0−1
low / 720p
12−14
10−12
medium / 1080p
6−7
6−7
Mobility Radeon HD 3870 X2 and Radeon 540X have the same average FPS in Metro Exodus.
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 Radeon 540X.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
30−33
medium / 1080p
18−20
16−18
Mobility Radeon HD 3870 X2 and Radeon 540X have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−12
medium / 1080p
10−12
10−11
The average gaming FPS of Mobility Radeon HD 3870 X2 in Red Dead Redemption 2 is 11% more, than Radeon 540X.
low / 768p
24−27
21−24
medium / 768p
16−18
14−16
high / 1080p
9−10
8−9
ultra / 1080p
6−7
6−7
4K / 2160p
6−7
−
The average gaming FPS of Mobility Radeon HD 3870 X2 in The Witcher 3: Wild Hunt is 7% more, than Radeon 540X.
low / 768p
85−90
85−90
medium / 768p
45−50
40−45
ultra / 1080p
18−20
18−20
high / 768p
35−40
35−40
The average gaming FPS of Mobility Radeon HD 3870 X2 in World of Tanks is 2% more, than Radeon 540X.
Full Specs
Mobility Radeon HD 3870 X2
Radeon 540X
Architecture
RV6xx
GCN 4.0
Code name
M88-XT CF
Lexa
Type
Laptop
Laptop
Release date
1 September 2008
12 August 2019
Pipelines
640
512
Core clock speed
660 MHz
Boost Clock
1219 MHz
Transistor count
666 million
2,200 million
Manufacturing process technology
55 nm
14 nm
Texture fill rate
10.56
33.47
Floating-point performance
2x 422.4 gflops
Memory bus width
256 Bit
64 Bit
Memory clock speed
850 MHz
6000 MHz
Memory bandwidth
54.4 GB/s
112.0 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
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