Mobility Radeon HD 4870 vs Radeon HD 8870M
Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 and Radeon HD 8870M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 4870 and Radeon HD 8870M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Mobility Radeon HD 4870 and Radeon HD 8870M are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 and Radeon HD 8870M 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 HD 8870M here:
Main Specs
Mobility Radeon HD 4870
Radeon HD 8870M
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Memory type
GDDR5
GDDR5, DDR3
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 8870M uses PCIe 3.0 x16 interface.
Radeon HD 8870M has 1 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 HD 8870M - with GCN.
Core clock speed of Radeon HD 8870M is 175 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 8870M - by 28 nm process technology.
Memory clock speed of Radeon HD 8870M 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
7−8
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
8−9
9−10
The average gaming FPS of Radeon HD 8870M in Assassin's Creed Odyssey is 11% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
12−14
ultra / 1080p
10−11
10−12
QHD / 1440p
0−1
0−1
low / 720p
24−27
27−30
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon HD 8870M in Battlefield 5 is 6% more, than Mobility Radeon HD 4870.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4870 and Radeon HD 8870M have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
140−150
medium / 768p
110−120
110−120
ultra / 1080p
55−60
55−60
QHD / 1440p
30−33
30−35
4K / 2160p
27−30
27−30
high / 768p
80−85
85−90
The average gaming FPS of Radeon HD 8870M in Counter-Strike: Global Offensive is 1% more, than Mobility Radeon HD 4870.
low / 768p
55−60
55−60
ultra / 1080p
20−22
21−24
medium / 1080p
45−50
45−50
Mobility Radeon HD 4870 and Radeon HD 8870M have the same average FPS in Cyberpunk 2077.
low / 768p
80−85
85−90
medium / 768p
60−65
60−65
ultra / 1080p
35−40
35−40
The average gaming FPS of Radeon HD 8870M in Dota 2 is 3% more, than Mobility Radeon HD 4870.
high / 1080p
8−9
9−10
ultra / 1080p
8−9
8−9
4K / 2160p
3−4
4−5
low / 720p
18−20
21−24
medium / 1080p
9−10
10−11
The average gaming FPS of Radeon HD 8870M in Far Cry 5 is 22% more, than Mobility Radeon HD 4870.
high / 1080p
14−16
16−18
ultra / 1080p
10−11
10−12
low / 720p
60−65
65−70
medium / 1080p
24−27
24−27
The average gaming FPS of Radeon HD 8870M in Fortnite is 7% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
12−14
ultra / 1080p
10−12
12−14
QHD / 1440p
1−2
2−3
low / 720p
27−30
27−30
medium / 1080p
14−16
14−16
The average gaming FPS of Radeon HD 8870M in Forza Horizon 4 is 7% more, than Mobility Radeon HD 4870.
low / 768p
50−55
55−60
medium / 768p
45−50
45−50
high / 1080p
12−14
14−16
ultra / 1080p
6−7
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 8870M in Grand Theft Auto V is 6% more, than Mobility Radeon HD 4870.
high / 1080p
5−6
5−6
ultra / 1080p
3−4
3−4
4K / 2160p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
6−7
7−8
Mobility Radeon HD 4870 and Radeon HD 8870M have the same average FPS in Metro Exodus.
low / 768p
95−100
95−100
high / 1080p
90−95
90−95
ultra / 1080p
80−85
80−85
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon HD 8870M in Minecraft is 1% more, than Mobility Radeon HD 4870.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
35−40
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 8870M in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Mobility Radeon HD 4870.
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
10−12
10−12
The average gaming FPS of Radeon HD 8870M in Red Dead Redemption 2 is 10% more, than Mobility Radeon HD 4870.
low / 768p
24−27
27−30
medium / 768p
16−18
18−20
high / 1080p
9−10
10−11
ultra / 1080p
6−7
7−8
4K / 2160p
6−7
6−7
The average gaming FPS of Radeon HD 8870M in The Witcher 3: Wild Hunt is 7% more, than Mobility Radeon HD 4870.
low / 768p
85−90
85−90
medium / 768p
45−50
45−50
ultra / 1080p
20−22
21−24
high / 768p
35−40
35−40
Mobility Radeon HD 4870 and Radeon HD 8870M have the same average FPS in World of Tanks.
Full Specs
Mobility Radeon HD 4870
Radeon HD 8870M
Architecture
Terascale 1
GCN
Code name
M98-XT
Venus
Type
Laptop
Laptop
Release date
9 January 2009
18 December 2012
Pipelines
800
640
Core clock speed
550 MHz
725 MHz
Boost Clock
775 MHz
Transistor count
956 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
31.00
Floating-point performance
880.0 gflops
992.0 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
4500 MHz
Memory bandwidth
56.83 GB/s
72 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)
107 Mh/s
Laptop size
large
large
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