Mobility Radeon HD 3870 X2 vs Radeon HD 5870
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 3870 X2 and Radeon HD 5870, 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 3870 X2 stacks up against Radeon HD 5870, check out specs charts below.
Mobility Radeon HD 3870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 3870 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 3870 X2 here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon HD 5870
Power consumption (TDP)
110 Watt
188 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
Check Price
Check Price
Radeon HD 5870 has 70% more power consumption, than Mobility Radeon HD 3870 X2.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 3870 X2 has 511 GB more memory, than Radeon HD 5870.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon HD 5870 - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 5870 - with TeraScale 2.
Core clock speed of Radeon HD 5870 is 190 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 5870 - by 40 nm process technology.
Memory clock speed of Radeon HD 5870 is 3950 MHz higher, than Mobility Radeon HD 3870 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
6−7
10−12
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
1−2
low / 720p
16−18
24−27
medium / 1080p
8−9
14−16
The average gaming FPS of Radeon HD 5870 in Assassin's Creed Odyssey is 55% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
18−20
ultra / 1080p
10−11
16−18
QHD / 1440p
0−1
1−2
low / 720p
24−27
35−40
medium / 1080p
12−14
20−22
The average gaming FPS of Radeon HD 5870 in Battlefield 5 is 53% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Mobility Radeon HD 3870 X2 and Radeon HD 5870 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
180−190
medium / 768p
110−120
150−160
ultra / 1080p
50−55
75−80
QHD / 1440p
27−30
45−50
4K / 2160p
27−30
30−33
high / 768p
80−85
110−120
The average gaming FPS of Radeon HD 5870 in Counter-Strike: Global Offensive is 38% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
18−20
30−35
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 5870 in Cyberpunk 2077 is 9% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
95−100
medium / 768p
55−60
80−85
ultra / 1080p
30−35
50−55
The average gaming FPS of Radeon HD 5870 in Dota 2 is 35% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
12−14
ultra / 1080p
7−8
12−14
4K / 2160p
3−4
5−6
low / 720p
18−20
30−33
medium / 1080p
8−9
14−16
The average gaming FPS of Radeon HD 5870 in Far Cry 5 is 66% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
20−22
ultra / 1080p
10−11
14−16
low / 720p
60−65
80−85
medium / 1080p
21−24
35−40
The average gaming FPS of Radeon HD 5870 in Fortnite is 44% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
18−20
ultra / 1080p
10−12
16−18
QHD / 1440p
1−2
5−6
low / 720p
24−27
40−45
medium / 1080p
14−16
21−24
The average gaming FPS of Radeon HD 5870 in Forza Horizon 4 is 61% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
70−75
medium / 768p
45−50
60−65
high / 1080p
12−14
21−24
ultra / 1080p
6−7
9−10
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 5870 in Grand Theft Auto V is 41% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
7−8
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
1−2
low / 720p
12−14
21−24
medium / 1080p
6−7
10−11
The average gaming FPS of Radeon HD 5870 in Metro Exodus is 83% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
100−110
high / 1080p
85−90
−
ultra / 1080p
80−85
95−100
medium / 1080p
90−95
100−110
The average gaming FPS of Radeon HD 5870 in Minecraft is 13% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
20−22
ultra / 1080p
14−16
16−18
low / 720p
30−35
45−50
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon HD 5870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 35% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
21−24
medium / 1080p
10−12
14−16
The average gaming FPS of Radeon HD 5870 in Red Dead Redemption 2 is 50% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
40−45
medium / 768p
16−18
24−27
high / 1080p
9−10
14−16
ultra / 1080p
6−7
9−10
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 5870 in The Witcher 3: Wild Hunt is 53% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
95−100
medium / 768p
45−50
55−60
ultra / 1080p
18−20
27−30
high / 768p
35−40
45−50
The average gaming FPS of Radeon HD 5870 in World of Tanks is 21% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon HD 5870
Architecture
RV6xx
TeraScale 2
Code name
M88-XT CF
Cypress
Type
Laptop
Desktop
Release date
1 September 2008
23 September 2009
Pipelines
640
1600
Core clock speed
660 MHz
850 MHz
Transistor count
666 million
2,154 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
10.56
68.00
Floating-point performance
2x 422.4 gflops
2,720.0 gflops
Length
282 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
850 MHz
4800 MHz
Memory bandwidth
54.4 GB/s
153.6 GB/s
Shared memory
-
DirectX
10.1 (10_1)
11.2 (11_0)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
N/A
1.2
Vulkan
N/A
N/A
Laptop size
large
Check Price
Check Price
