Mobility Radeon HD 4870 vs Radeon R9 270
In this comparison between Mobility Radeon HD 4870 and Radeon R9 270 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 4870 will be the best choice, for others Radeon R9 270 will be their preference. Study the comparison tables below and make your choice.
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 270
Power consumption (TDP)
150 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 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 270 uses PCIe 3.0 x16 interface.
Radeon R9 270 has 1 GB more memory, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is used in Laptops, and Radeon R9 270 - in Desktops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon R9 270 - with GCN 1.0.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon R9 270 - 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
21−24
ultra / 1080p
4−5
12−14
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
16−18
40−45
medium / 1080p
8−9
27−30
The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 188% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
30−35
ultra / 1080p
10−11
30−33
QHD / 1440p
0−1
14−16
4K / 2160p
−
8−9
low / 720p
24−27
70−75
medium / 1080p
12−14
35−40
The average gaming FPS of Radeon R9 270 in Battlefield 5 is 186% 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 270 in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 4870.
low / 768p
140−150
230−240
medium / 768p
110−120
200−210
ultra / 1080p
55−60
120−130
QHD / 1440p
30−33
95−100
4K / 2160p
27−30
55−60
high / 768p
80−85
170−180
The average gaming FPS of Radeon R9 270 in Counter-Strike: Global Offensive is 96% more, than Mobility Radeon HD 4870.
low / 768p
55−60
60−65
ultra / 1080p
20−22
50−55
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 270 in Cyberpunk 2077 is 35% more, than Mobility Radeon HD 4870.
low / 768p
80−85
120−130
medium / 768p
60−65
110−120
ultra / 1080p
35−40
80−85
The average gaming FPS of Radeon R9 270 in Dota 2 is 78% more, than Mobility Radeon HD 4870.
high / 1080p
8−9
27−30
ultra / 1080p
8−9
24−27
QHD / 1440p
−
20−22
4K / 2160p
3−4
8−9
low / 720p
18−20
55−60
medium / 1080p
9−10
27−30
The average gaming FPS of Radeon R9 270 in Far Cry 5 is 222% more, than Mobility Radeon HD 4870.
high / 1080p
14−16
35−40
ultra / 1080p
10−11
27−30
QHD / 1440p
−
16−18
low / 720p
60−65
130−140
medium / 1080p
24−27
75−80
The average gaming FPS of Radeon R9 270 in Fortnite is 146% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
35−40
ultra / 1080p
10−12
27−30
QHD / 1440p
1−2
14−16
4K / 2160p
−
14−16
low / 720p
27−30
70−75
medium / 1080p
14−16
40−45
The average gaming FPS of Radeon R9 270 in Forza Horizon 4 is 200% more, than Mobility Radeon HD 4870.
low / 768p
50−55
100−110
medium / 768p
45−50
95−100
high / 1080p
12−14
40−45
ultra / 1080p
6−7
18−20
QHD / 1440p
0−1
8−9
The average gaming FPS of Radeon R9 270 in Grand Theft Auto V is 127% more, than Mobility Radeon HD 4870.
high / 1080p
5−6
14−16
ultra / 1080p
3−4
10−12
QHD / 1440p
−
10−12
4K / 2160p
0−1
3−4
low / 720p
12−14
40−45
medium / 1080p
6−7
18−20
The average gaming FPS of Radeon R9 270 in Metro Exodus is 200% 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 270 in Minecraft is 26% more, than Mobility Radeon HD 4870.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
70−75
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 270 in PLAYERUNKNOWN'S BATTLEGROUNDS is 59% more, than Mobility Radeon HD 4870.
high / 1080p
−
16−18
ultra / 1080p
7−8
10−12
QHD / 1440p
0−1
2−3
4K / 2160p
−
2−3
low / 720p
12−14
40−45
medium / 1080p
10−12
21−24
The average gaming FPS of Radeon R9 270 in Red Dead Redemption 2 is 150% more, than Mobility Radeon HD 4870.
low / 768p
24−27
75−80
medium / 768p
16−18
45−50
high / 1080p
9−10
27−30
ultra / 1080p
6−7
14−16
4K / 2160p
6−7
9−10
The average gaming FPS of Radeon R9 270 in The Witcher 3: Wild Hunt is 169% more, than Mobility Radeon HD 4870.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
20−22
40−45
high / 768p
35−40
55−60
The average gaming FPS of Radeon R9 270 in World of Tanks is 31% more, than Mobility Radeon HD 4870.
Full Specs
Mobility Radeon HD 4870
Radeon R9 270
Architecture
Terascale 1
GCN 1.0
Code name
M98-XT
Curacao
Type
Laptop
Desktop
Release date
9 January 2009
13 November 2013
Pipelines
800
1280
Core clock speed
550 MHz
Boost Clock
925 MHz
Transistor count
956 million
2,800 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
74.00
Floating-point performance
880.0 gflops
2,368 gflops
Length
210 mm
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)
293 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
TrueAudio
+
Design
reference
DisplayPort support
+
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
16 Mh/s
LiquidVR
+
TressFX
+
UVD
+
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