Mobility Radeon HD 4870 X2 vs Radeon HD 7870
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 X2 and Radeon HD 7870, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 4870 X2 stacks up against Radeon HD 7870, check out specs charts below.
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 7870
Power consumption (TDP)
175 Watt
Interface
PCIe 2.0 x16
Memory type
GDDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
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Mobility Radeon HD 4870 X2 and Radeon HD 7870 have maximum RAM of 2 GB.
Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon HD 7870 - in Desktops.
Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon HD 7870 - with GCN.
Core clock speed of Radeon HD 7870 is 450 MHz higher, than Mobility Radeon HD 4870 X2.
Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 7870 - by 28 nm process technology.
Memory clock speed of Radeon HD 7870 is 3912 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
24−27
ultra / 1080p
5−6
14−16
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
21−24
45−50
medium / 1080p
12−14
30−33
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 141% more, than Mobility Radeon HD 4870 X2.
high / 1080p
16−18
35−40
ultra / 1080p
14−16
30−35
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
35−40
75−80
medium / 1080p
16−18
40−45
The average gaming FPS of Radeon HD 7870 in Battlefield 5 is 123% more, than Mobility Radeon HD 4870 X2.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7870 in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 4870 X2.
low / 768p
160−170
240−250
medium / 768p
130−140
210−220
ultra / 1080p
70−75
130−140
QHD / 1440p
40−45
100−110
4K / 2160p
30−33
60−65
high / 768p
100−110
180−190
The average gaming FPS of Radeon HD 7870 in Counter-Strike: Global Offensive is 72% more, than Mobility Radeon HD 4870 X2.
low / 768p
55−60
60−65
ultra / 1080p
27−30
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7870 in Cyberpunk 2077 is 15% more, than Mobility Radeon HD 4870 X2.
low / 768p
90−95
120−130
medium / 768p
70−75
110−120
ultra / 1080p
45−50
85−90
The average gaming FPS of Radeon HD 7870 in Dota 2 is 55% more, than Mobility Radeon HD 4870 X2.
high / 1080p
10−12
30−33
ultra / 1080p
10−11
27−30
QHD / 1440p
−
21−24
4K / 2160p
4−5
9−10
low / 720p
24−27
60−65
medium / 1080p
12−14
30−35
The average gaming FPS of Radeon HD 7870 in Far Cry 5 is 166% more, than Mobility Radeon HD 4870 X2.
high / 1080p
18−20
35−40
ultra / 1080p
12−14
30−33
QHD / 1440p
−
18−20
low / 720p
75−80
130−140
medium / 1080p
30−35
80−85
The average gaming FPS of Radeon HD 7870 in Fortnite is 102% more, than Mobility Radeon HD 4870 X2.
high / 1080p
16−18
40−45
ultra / 1080p
14−16
30−33
QHD / 1440p
4−5
18−20
4K / 2160p
−
14−16
low / 720p
35−40
75−80
medium / 1080p
18−20
45−50
The average gaming FPS of Radeon HD 7870 in Forza Horizon 4 is 138% more, than Mobility Radeon HD 4870 X2.
low / 768p
65−70
110−120
medium / 768p
55−60
100−110
high / 1080p
18−20
45−50
ultra / 1080p
8−9
20−22
QHD / 1440p
0−1
10−11
The average gaming FPS of Radeon HD 7870 in Grand Theft Auto V is 89% more, than Mobility Radeon HD 4870 X2.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
12−14
QHD / 1440p
−
10−12
4K / 2160p
1−2
4−5
low / 720p
18−20
45−50
medium / 1080p
8−9
21−24
The average gaming FPS of Radeon HD 7870 in Metro Exodus is 150% more, than Mobility Radeon HD 4870 X2.
low / 768p
100−110
120−130
ultra / 1080p
90−95
−
medium / 1080p
95−100
110−120
The average gaming FPS of Radeon HD 7870 in Minecraft is 18% more, than Mobility Radeon HD 4870 X2.
high / 1080p
18−20
−
ultra / 1080p
14−16
14−16
low / 720p
40−45
75−80
medium / 1080p
20−22
18−20
The average gaming FPS of Radeon HD 7870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 42% more, than Mobility Radeon HD 4870 X2.
high / 1080p
12−14
16−18
ultra / 1080p
8−9
10−12
QHD / 1440p
0−1
4−5
4K / 2160p
−
2−3
low / 720p
18−20
45−50
medium / 1080p
12−14
24−27
The average gaming FPS of Radeon HD 7870 in Red Dead Redemption 2 is 92% more, than Mobility Radeon HD 4870 X2.
low / 768p
35−40
85−90
medium / 768p
21−24
50−55
high / 1080p
12−14
30−33
ultra / 1080p
8−9
16−18
4K / 2160p
7−8
10−11
The average gaming FPS of Radeon HD 7870 in The Witcher 3: Wild Hunt is 129% more, than Mobility Radeon HD 4870 X2.
low / 768p
90−95
90−95
medium / 768p
50−55
60−65
ultra / 1080p
24−27
45−50
high / 768p
40−45
55−60
The average gaming FPS of Radeon HD 7870 in World of Tanks is 22% more, than Mobility Radeon HD 4870 X2.
Full Specs
Mobility Radeon HD 4870 X2
Radeon HD 7870
Architecture
Terascale 1
GCN
Code name
M98-XT
Pitcairn XT
Type
Laptop
Desktop
Release date
9 January 2009
5 March 2012
Pipelines
1600
1280
Core clock speed
550 MHz
1000 MHz
Transistor count
956 million
2800 Million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
Floating-point performance
2x 880.0 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
888 MHz
4800 MHz
Memory bandwidth
89.6 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
DirectX 11.1, Shader 5.1
Shader Model
4.1
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Monero / XMR (CryptoNight)
0.39 kh/s
Laptop size
large
Eyefinity
+
Decred / DCR (Decred)
0.63 Gh/s
Ethereum / ETH (DaggerHashimoto)
16.6 Mh/s
Zcash / ZEC (Equihash)
145 Sol/s
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