Mobility Radeon HD 4870 X2 vs Radeon HD 8870M
When choosing between Mobility Radeon HD 4870 X2 and Radeon HD 8870M, 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 Mobility Radeon HD 4870 X2 and Radeon HD 8870M.
Mobility Radeon HD 4870 X2 and Radeon HD 8870M are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 X2 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 X2 or Radeon HD 8870M here:
Main Specs
Mobility Radeon HD 4870 X2
Radeon HD 8870M
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Memory type
GDDR3, GDDR5
GDDR5, DDR3
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon HD 8870M uses PCIe 3.0 x16 interface.
Mobility Radeon HD 4870 X2 and Radeon HD 8870M have maximum RAM of 2 GB.
Both cards are used in Laptops.
Mobility Radeon HD 4870 X2 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 X2.
Mobility Radeon HD 4870 X2 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 X2.
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
9−10
7−8
ultra / 1080p
5−6
4−5
QHD / 1440p
0−1
0−1
low / 720p
21−24
18−20
medium / 1080p
12−14
9−10
The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 20% more, than Radeon HD 8870M.
high / 1080p
16−18
12−14
ultra / 1080p
14−16
10−12
QHD / 1440p
0−1
0−1
low / 720p
35−40
27−30
medium / 1080p
16−18
14−16
The average gaming FPS of Mobility Radeon HD 4870 X2 in Battlefield 5 is 31% more, than Radeon HD 8870M.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4870 X2 and Radeon HD 8870M have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
140−150
medium / 768p
130−140
110−120
ultra / 1080p
70−75
55−60
QHD / 1440p
40−45
30−35
4K / 2160p
30−33
27−30
high / 768p
100−110
85−90
The average gaming FPS of Mobility Radeon HD 4870 X2 in Counter-Strike: Global Offensive is 18% more, than Radeon HD 8870M.
low / 768p
55−60
55−60
ultra / 1080p
27−30
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 4870 X2 in Cyberpunk 2077 is 4% more, than Radeon HD 8870M.
low / 768p
90−95
85−90
medium / 768p
70−75
60−65
ultra / 1080p
45−50
35−40
The average gaming FPS of Mobility Radeon HD 4870 X2 in Dota 2 is 12% more, than Radeon HD 8870M.
high / 1080p
10−12
9−10
ultra / 1080p
10−11
8−9
4K / 2160p
4−5
4−5
low / 720p
24−27
21−24
medium / 1080p
12−14
10−11
The average gaming FPS of Mobility Radeon HD 4870 X2 in Far Cry 5 is 9% more, than Radeon HD 8870M.
high / 1080p
18−20
16−18
ultra / 1080p
12−14
10−12
low / 720p
75−80
65−70
medium / 1080p
30−35
24−27
The average gaming FPS of Mobility Radeon HD 4870 X2 in Fortnite is 16% more, than Radeon HD 8870M.
high / 1080p
16−18
12−14
ultra / 1080p
14−16
12−14
QHD / 1440p
4−5
2−3
low / 720p
35−40
27−30
medium / 1080p
18−20
14−16
The average gaming FPS of Mobility Radeon HD 4870 X2 in Forza Horizon 4 is 28% more, than Radeon HD 8870M.
low / 768p
65−70
55−60
medium / 768p
55−60
45−50
high / 1080p
18−20
14−16
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4870 X2 in Grand Theft Auto V is 22% more, than Radeon HD 8870M.
high / 1080p
6−7
5−6
ultra / 1080p
4−5
3−4
4K / 2160p
1−2
0−1
low / 720p
18−20
14−16
medium / 1080p
8−9
7−8
The average gaming FPS of Mobility Radeon HD 4870 X2 in Metro Exodus is 28% more, than Radeon HD 8870M.
low / 768p
100−110
95−100
high / 1080p
−
90−95
ultra / 1080p
90−95
80−85
medium / 1080p
95−100
95−100
The average gaming FPS of Mobility Radeon HD 4870 X2 in Minecraft is 6% more, than Radeon HD 8870M.
high / 1080p
18−20
16−18
ultra / 1080p
14−16
14−16
low / 720p
40−45
35−40
medium / 1080p
20−22
18−20
The average gaming FPS of Mobility Radeon HD 4870 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 9% more, than Radeon HD 8870M.
high / 1080p
12−14
−
ultra / 1080p
8−9
8−9
QHD / 1440p
0−1
0−1
low / 720p
18−20
14−16
medium / 1080p
12−14
10−12
The average gaming FPS of Mobility Radeon HD 4870 X2 in Red Dead Redemption 2 is 18% more, than Radeon HD 8870M.
low / 768p
35−40
27−30
medium / 768p
21−24
18−20
high / 1080p
12−14
10−11
ultra / 1080p
8−9
7−8
4K / 2160p
7−8
6−7
The average gaming FPS of Mobility Radeon HD 4870 X2 in The Witcher 3: Wild Hunt is 21% more, than Radeon HD 8870M.
low / 768p
90−95
85−90
medium / 768p
50−55
45−50
ultra / 1080p
24−27
21−24
high / 768p
40−45
35−40
The average gaming FPS of Mobility Radeon HD 4870 X2 in World of Tanks is 10% more, than Radeon HD 8870M.
Full Specs
Mobility Radeon HD 4870 X2
Radeon HD 8870M
Architecture
Terascale 1
GCN
Code name
M98-XT
Venus
Type
Laptop
Laptop
Release date
9 January 2009
18 December 2012
Pipelines
1600
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
2x 880.0 gflops
992.0 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
4500 MHz
Memory bandwidth
89.6 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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