Mobility Radeon HD 3870 X2 vs Radeon R7 Carrizo
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 3870 X2 and Radeon R7 Carrizo, 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 R7 Carrizo, check out specs charts below.
Mobility Radeon HD 3870 X2 and Radeon R7 Carrizo are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Radeon R7 Carrizo 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 3870 X2 or Radeon R7 Carrizo here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon R7 Carrizo
Power consumption (TDP)
110 Watt
12-35 Watt
Interface
PCIe 2.0 x16
Memory type
GDDR3
Maximum RAM amount
512 MB
Display Connectors
No outputs
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Mobility Radeon HD 3870 X2 has 816% more power consumption, than Radeon R7 Carrizo.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon R7 Carrizo - with GCN 1.2/2.0.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon R7 Carrizo - by 28 nm process technology.
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
2−3
ultra / 1080p
4−5
0−1
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
5−6
The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 42% more, than Radeon R7 Carrizo.
high / 1080p
12−14
6−7
ultra / 1080p
10−11
5−6
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
7−8
The average gaming FPS of Mobility Radeon HD 3870 X2 in Battlefield 5 is 66% more, than Radeon R7 Carrizo.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 3870 X2 in Call of Duty: Warzone is 4% more, than Radeon R7 Carrizo.
low / 768p
130−140
110−120
medium / 768p
110−120
90−95
ultra / 1080p
50−55
40−45
QHD / 1440p
27−30
24−27
4K / 2160p
27−30
−
high / 768p
80−85
65−70
The average gaming FPS of Mobility Radeon HD 3870 X2 in Counter-Strike: Global Offensive is 20% more, than Radeon R7 Carrizo.
low / 768p
55−60
70−75
ultra / 1080p
18−20
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon R7 Carrizo in Cyberpunk 2077 is 7% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
70−75
medium / 768p
55−60
50−55
ultra / 1080p
30−35
27−30
The average gaming FPS of Mobility Radeon HD 3870 X2 in Dota 2 is 11% more, than Radeon R7 Carrizo.
high / 1080p
8−9
3−4
ultra / 1080p
7−8
3−4
4K / 2160p
3−4
0−1
low / 720p
18−20
14−16
medium / 1080p
8−9
5−6
The average gaming FPS of Mobility Radeon HD 3870 X2 in Far Cry 5 is 66% more, than Radeon R7 Carrizo.
high / 1080p
14−16
10−12
ultra / 1080p
10−11
6−7
QHD / 1440p
−
4−5
low / 720p
60−65
55−60
medium / 1080p
21−24
12−14
The average gaming FPS of Mobility Radeon HD 3870 X2 in Fortnite is 22% more, than Radeon R7 Carrizo.
high / 1080p
12−14
7−8
ultra / 1080p
10−12
6−7
QHD / 1440p
1−2
0−1
low / 720p
24−27
20−22
medium / 1080p
14−16
10−11
The average gaming FPS of Mobility Radeon HD 3870 X2 in Forza Horizon 4 is 45% more, than Radeon R7 Carrizo.
low / 768p
50−55
45−50
medium / 768p
45−50
−
high / 1080p
12−14
7−8
ultra / 1080p
6−7
3−4
QHD / 1440p
0−1
0−1
medium / 720p
−
35−40
The average gaming FPS of Mobility Radeon HD 3870 X2 in Grand Theft Auto V is 26% more, than Radeon R7 Carrizo.
high / 1080p
4−5
1−2
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
0−1
low / 720p
12−14
6−7
medium / 1080p
6−7
3−4
The average gaming FPS of Mobility Radeon HD 3870 X2 in Metro Exodus is 166% more, than Radeon R7 Carrizo.
low / 768p
95−100
85−90
high / 1080p
85−90
65−70
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Mobility Radeon HD 3870 X2 in Minecraft is 19% more, than Radeon R7 Carrizo.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
30−35
27−30
medium / 1080p
18−20
14−16
The average gaming FPS of Mobility Radeon HD 3870 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than Radeon R7 Carrizo.
ultra / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
12−14
6−7
medium / 1080p
10−12
−
The average gaming FPS of Mobility Radeon HD 3870 X2 in Red Dead Redemption 2 is 100% more, than Radeon R7 Carrizo.
low / 768p
24−27
14−16
medium / 768p
16−18
10−12
high / 1080p
9−10
5−6
ultra / 1080p
6−7
4−5
4K / 2160p
6−7
0−1
The average gaming FPS of Mobility Radeon HD 3870 X2 in The Witcher 3: Wild Hunt is 55% more, than Radeon R7 Carrizo.
low / 768p
85−90
70−75
medium / 768p
45−50
35−40
ultra / 1080p
18−20
14−16
high / 768p
35−40
27−30
The average gaming FPS of Mobility Radeon HD 3870 X2 in World of Tanks is 23% more, than Radeon R7 Carrizo.
Full Specs
Mobility Radeon HD 3870 X2
Radeon R7 Carrizo
Architecture
RV6xx
GCN 1.2/2.0
Code name
M88-XT CF
Carrizo
Type
Laptop
Laptop
Release date
1 September 2008
4 June 2015
Pipelines
640
512
Core clock speed
660 MHz
Boost Clock
800 MHz
Transistor count
666 million
2410 Million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
10.56
Floating-point performance
2x 422.4 gflops
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
850 MHz
Memory bandwidth
54.4 GB/s
Shared memory
-
+
DirectX
10.1 (10_1)
DirectX 12 (FL 12_0)
Shader Model
4.1
OpenGL
3.3
OpenCL
N/A
Vulkan
N/A
Laptop size
large
medium sized
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