Mobility Radeon HD 4870 X2 vs Radeon HD 6870
When choosing between Mobility Radeon HD 4870 X2 and Radeon HD 6870, 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 6870.
Mobility Radeon HD 4870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 4870 X2 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 Mobility Radeon HD 4870 X2 here:
Main Specs
Mobility Radeon HD 4870 X2
Radeon HD 6870
Power consumption (TDP)
151 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 4870 X2 has 1 GB more memory, than Radeon HD 6870.
Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon HD 6870 - in Desktops.
Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon HD 6870 - with Terascale 2.
Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
Memory clock speed of Radeon HD 6870 is 162 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
10−12
ultra / 1080p
5−6
6−7
QHD / 1440p
0−1
1−2
low / 720p
21−24
24−27
medium / 1080p
12−14
12−14
The average gaming FPS of Radeon HD 6870 in Assassin's Creed Odyssey is 16% more, than Mobility Radeon HD 4870 X2.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
QHD / 1440p
0−1
1−2
low / 720p
35−40
35−40
medium / 1080p
16−18
20−22
The average gaming FPS of Radeon HD 6870 in Battlefield 5 is 9% more, than Mobility Radeon HD 4870 X2.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4870 X2 and Radeon HD 6870 have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
180−190
medium / 768p
130−140
140−150
ultra / 1080p
70−75
75−80
QHD / 1440p
40−45
40−45
4K / 2160p
30−33
30−33
high / 768p
100−110
110−120
The average gaming FPS of Radeon HD 6870 in Counter-Strike: Global Offensive is 8% more, than Mobility Radeon HD 4870 X2.
low / 768p
55−60
55−60
ultra / 1080p
27−30
30−33
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6870 in Cyberpunk 2077 is 2% more, than Mobility Radeon HD 4870 X2.
low / 768p
90−95
95−100
medium / 768p
70−75
75−80
ultra / 1080p
45−50
50−55
The average gaming FPS of Radeon HD 6870 in Dota 2 is 7% more, than Mobility Radeon HD 4870 X2.
high / 1080p
10−12
12−14
ultra / 1080p
10−11
12−14
4K / 2160p
4−5
5−6
low / 720p
24−27
27−30
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon HD 6870 in Far Cry 5 is 25% more, than Mobility Radeon HD 4870 X2.
high / 1080p
18−20
20−22
ultra / 1080p
12−14
14−16
low / 720p
75−80
80−85
medium / 1080p
30−35
35−40
The average gaming FPS of Radeon HD 6870 in Fortnite is 11% more, than Mobility Radeon HD 4870 X2.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
QHD / 1440p
4−5
5−6
low / 720p
35−40
40−45
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon HD 6870 in Forza Horizon 4 is 11% more, than Mobility Radeon HD 4870 X2.
low / 768p
65−70
70−75
medium / 768p
55−60
60−65
high / 1080p
18−20
21−24
ultra / 1080p
8−9
9−10
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6870 in Grand Theft Auto V is 7% more, than Mobility Radeon HD 4870 X2.
high / 1080p
6−7
7−8
ultra / 1080p
4−5
5−6
4K / 2160p
1−2
1−2
low / 720p
18−20
21−24
medium / 1080p
8−9
9−10
The average gaming FPS of Radeon HD 6870 in Metro Exodus is 12% more, than Mobility Radeon HD 4870 X2.
low / 768p
100−110
100−110
ultra / 1080p
90−95
90−95
medium / 1080p
95−100
100−105
The average gaming FPS of Radeon HD 6870 in Minecraft is 2% more, than Mobility Radeon HD 4870 X2.
high / 1080p
18−20
18−20
ultra / 1080p
14−16
16−18
low / 720p
40−45
45−50
medium / 1080p
20−22
21−24
The average gaming FPS of Radeon HD 6870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 8% more, than Mobility Radeon HD 4870 X2.
high / 1080p
12−14
12−14
ultra / 1080p
8−9
8−9
QHD / 1440p
0−1
0−1
low / 720p
18−20
20−22
medium / 1080p
12−14
12−14
Mobility Radeon HD 4870 X2 and Radeon HD 6870 have the same average FPS in Red Dead Redemption 2.
low / 768p
35−40
40−45
medium / 768p
21−24
24−27
high / 1080p
12−14
14−16
ultra / 1080p
8−9
8−9
4K / 2160p
7−8
7−8
The average gaming FPS of Radeon HD 6870 in The Witcher 3: Wild Hunt is 11% more, than Mobility Radeon HD 4870 X2.
low / 768p
90−95
95−100
medium / 768p
50−55
55−60
ultra / 1080p
24−27
27−30
high / 768p
40−45
45−50
The average gaming FPS of Radeon HD 6870 in World of Tanks is 7% more, than Mobility Radeon HD 4870 X2.
Full Specs
Mobility Radeon HD 4870 X2
Radeon HD 6870
Architecture
Terascale 1
Terascale 2
Code name
M98-XT
RV940 Barts
Type
Laptop
Desktop
Release date
9 January 2009
22 October 2010
Pipelines
1600
1120
Core clock speed
550 MHz
Boost Clock
900 MHz
Transistor count
956 million
1,700 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
22.00
50.40
Floating-point performance
2x 880.0 gflops
2,016.0 gflops
Length
220 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
888 MHz
1050 MHz
Memory bandwidth
89.6 GB/s
134.4 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
1.1
1.2
Vulkan
N/A
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
213 Mh/s
Laptop size
large
Eyefinity
+
Design
reference
CrossFire
+
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