Mobility Radeon HD 4870 vs Radeon R9 270X
When choosing between Mobility Radeon HD 4870 and Radeon R9 270X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Mobility Radeon HD 4870 and Radeon R9 270X.
Mobility Radeon HD 4870 is a Laptop Graphics Card
Note: Mobility Radeon HD 4870 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 4870 here:
Main Specs
Mobility Radeon HD 4870
Radeon R9 270X
Power consumption (TDP)
180 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
Radeon R9 270X has 1 GB more memory, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is used in Laptops, and Radeon R9 270X - in Desktops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon R9 270X - with GCN.
Mobility Radeon HD 4870 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
7−8
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 4870.
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 4870.
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 4870.
low / 768p
140−150
240−250
medium / 768p
110−120
210−220
ultra / 1080p
55−60
140−150
QHD / 1440p
30−33
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 111% more, than Mobility Radeon HD 4870.
low / 768p
55−60
60−65
ultra / 1080p
20−22
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 270X in Cyberpunk 2077 is 15% more, than Mobility Radeon HD 4870.
low / 768p
80−85
120−130
medium / 768p
60−65
110−120
ultra / 1080p
35−40
90−95
The average gaming FPS of Radeon R9 270X in Dota 2 is 83% more, than Mobility Radeon HD 4870.
high / 1080p
8−9
30−35
ultra / 1080p
8−9
27−30
QHD / 1440p
−
21−24
4K / 2160p
3−4
10−11
low / 720p
18−20
60−65
medium / 1080p
9−10
30−35
The average gaming FPS of Radeon R9 270X in Far Cry 5 is 266% more, than Mobility Radeon HD 4870.
high / 1080p
14−16
40−45
ultra / 1080p
10−11
30−35
QHD / 1440p
−
18−20
low / 720p
60−65
140−150
medium / 1080p
24−27
85−90
The average gaming FPS of Radeon R9 270X in Fortnite is 171% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
40−45
ultra / 1080p
10−12
30−35
QHD / 1440p
1−2
18−20
4K / 2160p
−
16−18
low / 720p
27−30
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 4870.
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 4870.
high / 1080p
5−6
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 257% more, than Mobility Radeon HD 4870.
low / 768p
95−100
120−130
high / 1080p
90−95
−
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 4870.
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 4870.
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 4870.
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 4870.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
20−22
45−50
high / 768p
35−40
55−60
The average gaming FPS of Radeon R9 270X in World of Tanks is 35% more, than Mobility Radeon HD 4870.
Full Specs
Mobility Radeon HD 4870
Radeon R9 270X
Architecture
Terascale 1
GCN
Code name
M98-XT
Curacao XT
Type
Laptop
Desktop
Release date
9 January 2009
8 October 2013
Pipelines
800
1280
Core clock speed
550 MHz
Boost Clock
1050 MHz
Transistor count
956 million
2,800 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
84.00
Floating-point performance
880.0 gflops
2,688 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
888 MHz
Memory bandwidth
56.83 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
1.1
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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