Mobility Radeon HD 4870 vs Radeon R9 M275
In this comparison between Mobility Radeon HD 4870 and Radeon R9 M275 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 M275 will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 4870 and Radeon R9 M275 are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 and Radeon R9 M275 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 4870 or Radeon R9 M275 here:
Main Specs
Mobility Radeon HD 4870
Radeon R9 M275
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon R9 M275 uses PCIe 3.0 x16 interface.
Radeon R9 M275 has 3 GB more memory, than Mobility Radeon HD 4870.
Both cards are used in Laptops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon R9 M275 - with GCN.
Core clock speed of Radeon R9 M275 is 375 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon R9 M275 - by 28 nm process technology.
Memory clock speed of Radeon R9 M275 is 3612 MHz higher, than Mobility Radeon HD 4870.
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
0−1
ultra / 1080p
4−5
−
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
3−4
The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 50% more, than Radeon R9 M275.
high / 1080p
12−14
5−6
ultra / 1080p
10−11
4−5
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
5−6
The average gaming FPS of Mobility Radeon HD 4870 in Battlefield 5 is 87% more, than Radeon R9 M275.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
medium / 1080p
−
50−55
The average gaming FPS of Radeon R9 M275 in Call of Duty: Warzone is 6% more, than Mobility Radeon HD 4870.
low / 768p
140−150
110−120
medium / 768p
110−120
90−95
ultra / 1080p
55−60
40−45
QHD / 1440p
30−33
24−27
4K / 2160p
27−30
18−20
high / 768p
80−85
65−70
The average gaming FPS of Mobility Radeon HD 4870 in Counter-Strike: Global Offensive is 26% more, than Radeon R9 M275.
low / 768p
55−60
60−65
ultra / 1080p
20−22
18−20
medium / 1080p
45−50
50−55
The average gaming FPS of Radeon R9 M275 in Cyberpunk 2077 is 4% more, than Mobility Radeon HD 4870.
low / 768p
80−85
70−75
medium / 768p
60−65
50−55
ultra / 1080p
35−40
24−27
The average gaming FPS of Mobility Radeon HD 4870 in Dota 2 is 20% more, than Radeon R9 M275.
high / 1080p
8−9
1−2
ultra / 1080p
8−9
−
4K / 2160p
3−4
0−1
low / 720p
18−20
10−12
medium / 1080p
9−10
3−4
The average gaming FPS of Mobility Radeon HD 4870 in Far Cry 5 is 140% more, than Radeon R9 M275.
high / 1080p
14−16
9−10
ultra / 1080p
10−11
5−6
QHD / 1440p
−
1−2
low / 720p
60−65
50−55
medium / 1080p
24−27
12−14
The average gaming FPS of Mobility Radeon HD 4870 in Fortnite is 40% more, than Radeon R9 M275.
high / 1080p
12−14
6−7
ultra / 1080p
10−12
4−5
QHD / 1440p
1−2
0−1
low / 720p
27−30
18−20
medium / 1080p
14−16
7−8
The average gaming FPS of Mobility Radeon HD 4870 in Forza Horizon 4 is 77% more, than Radeon R9 M275.
low / 768p
50−55
45−50
medium / 768p
45−50
−
high / 1080p
12−14
7−8
ultra / 1080p
6−7
4−5
QHD / 1440p
0−1
0−1
medium / 720p
−
35−40
The average gaming FPS of Mobility Radeon HD 4870 in Grand Theft Auto V is 26% more, than Radeon R9 M275.
high / 1080p
5−6
3−4
ultra / 1080p
3−4
1−2
4K / 2160p
0−1
0−1
low / 720p
12−14
7−8
medium / 1080p
6−7
4−5
The average gaming FPS of Mobility Radeon HD 4870 in Metro Exodus is 75% more, than Radeon R9 M275.
low / 768p
95−100
85−90
high / 1080p
90−95
70−75
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Mobility Radeon HD 4870 in Minecraft is 18% more, than Radeon R9 M275.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
low / 720p
30−35
24−27
medium / 1080p
18−20
14−16
The average gaming FPS of Mobility Radeon HD 4870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 17% more, than Radeon R9 M275.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
8−9
medium / 1080p
10−12
−
The average gaming FPS of Mobility Radeon HD 4870 in Red Dead Redemption 2 is 25% more, than Radeon R9 M275.
low / 768p
24−27
16−18
medium / 768p
16−18
12−14
high / 1080p
9−10
6−7
ultra / 1080p
6−7
5−6
4K / 2160p
6−7
−
The average gaming FPS of Mobility Radeon HD 4870 in The Witcher 3: Wild Hunt is 40% more, than Radeon R9 M275.
low / 768p
85−90
85−90
medium / 768p
45−50
35−40
ultra / 1080p
20−22
14−16
high / 768p
35−40
30−33
The average gaming FPS of Mobility Radeon HD 4870 in World of Tanks is 14% more, than Radeon R9 M275.
Full Specs
Mobility Radeon HD 4870
Radeon R9 M275
Architecture
Terascale 1
GCN
Code name
M98-XT
Venus
Type
Laptop
Laptop
Release date
9 January 2009
1 August 2014
Pipelines
800
640
Core clock speed
550 MHz
925 MHz
Boost Clock
925 MHz
Transistor count
956 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
37.00
Floating-point performance
880.0 gflops
1,184 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
4500 MHz
Memory bandwidth
56.83 GB/s
64 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
12 (11_1)
Shader Model
4.1
5.1
OpenGL
3.3
4.6
OpenCL
1.1
1.2
Vulkan
N/A
1.2.131
Bitcoin / BTC (SHA256)
122 Mh/s
Laptop size
large
large
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