Radeon HD 7870M vs Radeon R9 M275
When choosing between Radeon HD 7870M and Radeon R9 M275, 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 Radeon HD 7870M and Radeon R9 M275.
Radeon HD 7870M and Radeon R9 M275 are Laptop Graphics Cards
Note: Radeon HD 7870M 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 Radeon HD 7870M or Radeon R9 M275 here:
Main Specs
Radeon HD 7870M
Radeon R9 M275
Power consumption (TDP)
45 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
No outputs
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Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon R9 M275 has 2 GB more memory, than Radeon HD 7870M.
Both cards are used in Laptops.
Radeon HD 7870M and Radeon R9 M275 are build with GCN architecture.
Core clock speed of Radeon R9 M275 is 125 MHz higher, than Radeon HD 7870M.
Radeon HD 7870M and Radeon R9 M275 are manufactured by 28 nm process technology.
Memory clock speed of Radeon R9 M275 is 500 MHz higher, than Radeon HD 7870M.
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
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 Radeon HD 7870M 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 Radeon HD 7870M 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 Radeon HD 7870M.
low / 768p
130−140
110−120
medium / 768p
110−120
90−95
ultra / 1080p
50−55
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 Radeon HD 7870M in Counter-Strike: Global Offensive is 23% more, than Radeon R9 M275.
low / 768p
55−60
60−65
ultra / 1080p
18−20
18−20
medium / 1080p
45−50
50−55
The average gaming FPS of Radeon R9 M275 in Cyberpunk 2077 is 7% more, than Radeon HD 7870M.
low / 768p
80−85
70−75
medium / 768p
60−65
50−55
ultra / 1080p
30−35
24−27
The average gaming FPS of Radeon HD 7870M in Dota 2 is 18% 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 Radeon HD 7870M 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
21−24
12−14
The average gaming FPS of Radeon HD 7870M in Fortnite is 35% 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
24−27
18−20
medium / 1080p
14−16
7−8
The average gaming FPS of Radeon HD 7870M 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 Radeon HD 7870M 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 Radeon HD 7870M 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 Radeon HD 7870M 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 Radeon HD 7870M 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 Radeon HD 7870M 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 Radeon HD 7870M 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 Radeon HD 7870M in World of Tanks is 14% more, than Radeon R9 M275.
Full Specs
Radeon HD 7870M
Radeon R9 M275
Architecture
GCN
GCN
Code name
Heathrow XT
Venus
Type
Laptop
Laptop
Release date
24 April 2012
1 August 2014
Pipelines
640
640
Core clock speed
800 MHz
925 MHz
Boost Clock
925 MHz
Transistor count
1,500 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
32.00
37.00
Floating-point performance
1,024 gflops
1,184 gflops
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
4500 MHz
Memory bandwidth
64 GB/s
64 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2.131
1.2.131
Bitcoin / BTC (SHA256)
122 Mh/s
Laptop size
large
large
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