Mobility Radeon HD 3870 X2 vs Radeon R9 270X
When comparing Mobility Radeon HD 3870 X2 and Radeon R9 270X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Mobility Radeon HD 3870 X2 and Radeon R9 270X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Mobility Radeon HD 3870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 3870 X2 is only used in laptop graphics. It has 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 here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon R9 270X
Power consumption (TDP)
110 Watt
180 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 270X has 63% more power consumption, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
Mobility Radeon HD 3870 X2 has 510 GB more memory, than Radeon R9 270X.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon R9 270X - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon R9 270X - with GCN.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon R9 270X - by 28 nm process technology.
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
24−27
ultra / 1080p
4−5
14−16
QHD / 1440p
0−1
10−11
4K / 2160p
−
6−7
low / 720p
16−18
45−50
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 233% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
40−45
ultra / 1080p
10−11
30−35
QHD / 1440p
0−1
18−20
4K / 2160p
−
10−12
low / 720p
24−27
80−85
medium / 1080p
12−14
45−50
The average gaming FPS of Radeon R9 270X in Battlefield 5 is 240% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 270X in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 3870 X2.
low / 768p
130−140
240−250
medium / 768p
110−120
210−220
ultra / 1080p
50−55
140−150
QHD / 1440p
27−30
110−120
4K / 2160p
27−30
60−65
high / 768p
80−85
180−190
The average gaming FPS of Radeon R9 270X in Counter-Strike: Global Offensive is 120% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
60−65
ultra / 1080p
18−20
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 270X in Cyberpunk 2077 is 15% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
90−95
The average gaming FPS of Radeon R9 270X in Dota 2 is 92% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
30−35
ultra / 1080p
7−8
27−30
QHD / 1440p
−
21−24
4K / 2160p
3−4
10−11
low / 720p
18−20
60−65
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon R9 270X in Far Cry 5 is 266% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
40−45
ultra / 1080p
10−11
30−35
QHD / 1440p
−
18−20
low / 720p
60−65
140−150
medium / 1080p
21−24
85−90
The average gaming FPS of Radeon R9 270X in Fortnite is 181% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
40−45
ultra / 1080p
10−12
30−35
QHD / 1440p
1−2
18−20
4K / 2160p
−
16−18
low / 720p
24−27
80−85
medium / 1080p
14−16
45−50
The average gaming FPS of Radeon R9 270X in Forza Horizon 4 is 238% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
110−120
medium / 768p
45−50
100−110
high / 1080p
12−14
50−55
ultra / 1080p
6−7
21−24
QHD / 1440p
0−1
10−12
The average gaming FPS of Radeon R9 270X in Grand Theft Auto V is 151% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
16−18
ultra / 1080p
3−4
12−14
QHD / 1440p
−
12−14
4K / 2160p
0−1
4−5
low / 720p
12−14
45−50
medium / 1080p
6−7
21−24
The average gaming FPS of Radeon R9 270X in Metro Exodus is 316% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
120−130
high / 1080p
85−90
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon R9 270X in Minecraft is 26% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
80−85
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 72% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
18−20
ultra / 1080p
7−8
12−14
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
12−14
45−50
medium / 1080p
10−12
24−27
The average gaming FPS of Radeon R9 270X in Red Dead Redemption 2 is 180% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
90−95
medium / 768p
16−18
55−60
high / 1080p
9−10
30−35
ultra / 1080p
6−7
18−20
4K / 2160p
6−7
10−11
The average gaming FPS of Radeon R9 270X in The Witcher 3: Wild Hunt is 223% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
45−50
high / 768p
35−40
55−60
The average gaming FPS of Radeon R9 270X in World of Tanks is 38% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon R9 270X
Architecture
RV6xx
GCN
Code name
M88-XT CF
Curacao XT
Type
Laptop
Desktop
Release date
1 September 2008
8 October 2013
Pipelines
640
1280
Core clock speed
660 MHz
Boost Clock
1050 MHz
Transistor count
666 million
2,800 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
10.56
84.00
Floating-point performance
2x 422.4 gflops
2,688 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
850 MHz
Memory bandwidth
54.4 GB/s
179.2 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
Shader Model
4.1
5.1
OpenGL
3.3
4.6
OpenCL
N/A
1.2
Vulkan
N/A
+
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
318 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
TrueAudio
+
Design
reference
DisplayPort support
+
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
30 Mh/s
Zcash / ZEC (Equihash)
163 Sol/s
AppAcceleration
+
LiquidVR
+
TressFX
+
UVD
+
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