Mobility Radeon HD 4870 vs Mobility Radeon HD 5870 Crossfire
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Mobility Radeon HD 5870 Crossfire, 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 stacks up against Mobility Radeon HD 5870 Crossfire, check out specs charts below.
Mobility Radeon HD 4870 and Mobility Radeon HD 5870 Crossfire are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 and Mobility Radeon HD 5870 Crossfire 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 Mobility Radeon HD 5870 Crossfire here:
Main Specs
Mobility Radeon HD 4870
Mobility Radeon HD 5870 Crossfire
Power consumption (TDP)
120 Watt
Interface
PCIe 2.0 x16
Memory type
GDDR5
DDR3, GDDR3, GDDR5
Maximum RAM amount
1 GB
2x1 GB
Display Connectors
No outputs
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Mobility Radeon HD 5870 Crossfire 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 Mobility Radeon HD 5870 Crossfire - with Terascale 2.
Core clock speed of Mobility Radeon HD 5870 Crossfire is 150 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Mobility Radeon HD 5870 Crossfire - by 40 nm process technology.
Memory clock speed of Mobility Radeon HD 5870 Crossfire is 112 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
16−18
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
4−5
low / 720p
16−18
30−35
medium / 1080p
8−9
18−20
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 111% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
24−27
ultra / 1080p
10−11
21−24
QHD / 1440p
0−1
8−9
4K / 2160p
−
6−7
low / 720p
24−27
50−55
medium / 1080p
12−14
27−30
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Battlefield 5 is 113% more, than Mobility Radeon HD 4870.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4870 and Mobility Radeon HD 5870 Crossfire have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
210−220
medium / 768p
110−120
180−190
ultra / 1080p
55−60
100−110
QHD / 1440p
30−33
50−55
4K / 2160p
27−30
30−35
high / 768p
80−85
140−150
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Counter-Strike: Global Offensive is 60% more, than Mobility Radeon HD 4870.
low / 768p
55−60
55−60
ultra / 1080p
20−22
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Cyberpunk 2077 is 16% more, than Mobility Radeon HD 4870.
low / 768p
80−85
110−120
medium / 768p
60−65
95−100
ultra / 1080p
35−40
65−70
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Dota 2 is 55% more, than Mobility Radeon HD 4870.
high / 1080p
8−9
18−20
ultra / 1080p
8−9
16−18
QHD / 1440p
−
16−18
4K / 2160p
3−4
6−7
low / 720p
18−20
40−45
medium / 1080p
9−10
20−22
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Far Cry 5 is 133% more, than Mobility Radeon HD 4870.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
20−22
QHD / 1440p
−
16−18
low / 720p
60−65
100−110
medium / 1080p
24−27
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Fortnite is 85% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
27−30
ultra / 1080p
10−12
21−24
QHD / 1440p
1−2
9−10
4K / 2160p
−
9−10
low / 720p
27−30
55−60
medium / 1080p
14−16
30−33
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Forza Horizon 4 is 123% more, than Mobility Radeon HD 4870.
low / 768p
50−55
85−90
medium / 768p
45−50
75−80
high / 1080p
12−14
30−35
ultra / 1080p
6−7
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Grand Theft Auto V is 79% more, than Mobility Radeon HD 4870.
high / 1080p
5−6
10−11
ultra / 1080p
3−4
8−9
4K / 2160p
0−1
3−4
low / 720p
12−14
30−35
medium / 1080p
6−7
12−14
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Metro Exodus is 128% more, than Mobility Radeon HD 4870.
low / 768p
95−100
110−120
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
100−110
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Minecraft is 15% more, than Mobility Radeon HD 4870.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
18−20
low / 720p
30−35
55−60
medium / 1080p
18−20
24−27
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 55% more, than Mobility Radeon HD 4870.
high / 1080p
−
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
0−1
0−1
low / 720p
12−14
30−33
medium / 1080p
10−12
16−18
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Red Dead Redemption 2 is 90% more, than Mobility Radeon HD 4870.
low / 768p
24−27
55−60
medium / 768p
16−18
35−40
high / 1080p
9−10
20−22
ultra / 1080p
6−7
10−12
4K / 2160p
6−7
8−9
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in The Witcher 3: Wild Hunt is 107% more, than Mobility Radeon HD 4870.
low / 768p
85−90
100−110
medium / 768p
45−50
60−65
ultra / 1080p
20−22
35−40
high / 768p
35−40
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in World of Tanks is 35% more, than Mobility Radeon HD 4870.
Full Specs
Mobility Radeon HD 4870
Mobility Radeon HD 5870 Crossfire
Architecture
Terascale 1
Terascale 2
Code name
M98-XT
Broadway-XT
Type
Laptop
Laptop
Release date
9 January 2009
7 January 2010
Pipelines
800
1600
Core clock speed
550 MHz
700 MHz
Transistor count
956 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
22.00
Floating-point performance
880.0 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
1000 MHz
Memory bandwidth
56.83 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
DirectX 11, Shader 5.0
Shader Model
4.1
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Laptop size
large
large
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