Radeon HD 4870 vs Radeon HD 7870M
When choosing between Radeon HD 4870 and Radeon HD 7870M, 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 4870 and Radeon HD 7870M.
Radeon HD 7870M is a Laptop Graphics Card
Note: Radeon HD 7870M 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 Radeon HD 7870M here:
Main Specs
Radeon HD 4870
Radeon HD 7870M
Power consumption (TDP)
150 Watt
45 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4870 has 233% more power consumption, than Radeon HD 7870M.
Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 7870M uses PCIe 3.0 x16 interface.
Radeon HD 7870M has 1 GB more memory, than Radeon HD 4870.
Radeon HD 4870 is used in Desktops, and Radeon HD 7870M - in Laptops.
Radeon HD 4870 is build with TeraScale architecture, and Radeon HD 7870M - with GCN.
Core clock speed of Radeon HD 7870M is 50 MHz higher, than Radeon HD 4870.
Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 7870M - by 28 nm process technology.
Memory clock speed of Radeon HD 7870M is 400 MHz higher, than 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
3−4
6−7
ultra / 1080p
1−2
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
16−18
medium / 1080p
6−7
8−9
The average gaming FPS of Radeon HD 7870M in Assassin's Creed Odyssey is 50% more, than Radeon HD 4870.
high / 1080p
8−9
12−14
ultra / 1080p
6−7
10−11
QHD / 1440p
0−1
0−1
low / 720p
21−24
24−27
medium / 1080p
9−10
12−14
The average gaming FPS of Radeon HD 7870M in Battlefield 5 is 36% more, than Radeon HD 4870.
low / 768p
45−50
45−50
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7870M in Call of Duty: Warzone is 4% more, than Radeon HD 4870.
low / 768p
120−130
130−140
medium / 768p
100−110
110−120
ultra / 1080p
45−50
50−55
QHD / 1440p
24−27
30−33
4K / 2160p
−
27−30
high / 768p
75−80
80−85
The average gaming FPS of Radeon HD 7870M in Counter-Strike: Global Offensive is 9% more, than Radeon HD 4870.
low / 768p
70−75
55−60
ultra / 1080p
21−24
18−20
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon HD 4870 in Cyberpunk 2077 is 9% more, than Radeon HD 7870M.
low / 768p
75−80
80−85
medium / 768p
55−60
60−65
ultra / 1080p
30−35
30−35
The average gaming FPS of Radeon HD 7870M in Dota 2 is 7% more, than Radeon HD 4870.
high / 1080p
4−5
8−9
ultra / 1080p
4−5
8−9
4K / 2160p
1−2
3−4
low / 720p
14−16
18−20
medium / 1080p
6−7
9−10
The average gaming FPS of Radeon HD 7870M in Far Cry 5 is 50% more, than Radeon HD 4870.
high / 1080p
12−14
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
4−5
−
low / 720p
60−65
60−65
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon HD 7870M in Fortnite is 8% more, than Radeon HD 4870.
high / 1080p
7−8
12−14
ultra / 1080p
7−8
10−12
QHD / 1440p
0−1
1−2
low / 720p
21−24
24−27
medium / 1080p
10−11
14−16
The average gaming FPS of Radeon HD 7870M in Forza Horizon 4 is 33% more, than Radeon HD 4870.
low / 768p
50−55
50−55
medium / 768p
−
45−50
high / 1080p
10−11
12−14
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 7870M in Grand Theft Auto V is 9% more, than Radeon HD 4870.
high / 1080p
2−3
5−6
ultra / 1080p
0−1
3−4
4K / 2160p
0−1
0−1
low / 720p
9−10
12−14
medium / 1080p
4−5
6−7
The average gaming FPS of Radeon HD 7870M in Metro Exodus is 60% more, than Radeon HD 4870.
low / 768p
85−90
95−100
high / 1080p
70−75
90−95
ultra / 1080p
−
80−85
medium / 1080p
−
90−95
The average gaming FPS of Radeon HD 7870M in Minecraft is 18% more, than Radeon HD 4870.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
30−35
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7870M in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon HD 4870.
high / 1080p
7−8
−
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
8−9
12−14
medium / 1080p
8−9
10−12
The average gaming FPS of Radeon HD 7870M in Red Dead Redemption 2 is 42% more, than Radeon HD 4870.
low / 768p
18−20
24−27
medium / 768p
12−14
16−18
high / 1080p
7−8
9−10
ultra / 1080p
5−6
6−7
4K / 2160p
1−2
6−7
The average gaming FPS of Radeon HD 7870M in The Witcher 3: Wild Hunt is 44% more, than Radeon HD 4870.
low / 768p
75−80
85−90
medium / 768p
40−45
45−50
ultra / 1080p
18−20
20−22
high / 768p
30−35
35−40
The average gaming FPS of Radeon HD 7870M in World of Tanks is 14% more, than Radeon HD 4870.
Full Specs
Radeon HD 4870
Radeon HD 7870M
Architecture
TeraScale
GCN
Code name
RV770
Heathrow XT
Type
Desktop
Laptop
Release date
25 June 2008
24 April 2012
Pipelines
800
640
Core clock speed
750 MHz
800 MHz
Transistor count
956 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
30.00
32.00
Floating-point performance
1,200.0 gflops
1,024 gflops
Length
250 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
4000 MHz
Memory bandwidth
115.2 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
Laptop size
large
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