Mobility Radeon HD 3870 X2 vs Radeon HD 7770M
Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon HD 7770M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 3870 X2 and Radeon HD 7770M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Mobility Radeon HD 3870 X2 and Radeon HD 7770M are Laptop Graphics Cards
Note: Mobility Radeon HD 3870 X2 and Radeon HD 7770M 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 HD 7770M here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon HD 7770M
Power consumption (TDP)
110 Watt
32 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 3870 X2 has 243% more power consumption, than Radeon HD 7770M.
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 7770M.
Both cards are used in Laptops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 7770M - with GCN.
Core clock speed of Radeon HD 7770M is 15 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 3150 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
9−10
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
8−9
10−12
The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 33% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
14−16
ultra / 1080p
10−11
12−14
QHD / 1440p
0−1
0−1
low / 720p
24−27
30−35
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 7770M in Battlefield 5 is 26% 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 7770M have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
160−170
medium / 768p
110−120
130−140
ultra / 1080p
50−55
65−70
QHD / 1440p
27−30
35−40
4K / 2160p
27−30
27−30
high / 768p
80−85
100−110
The average gaming FPS of Radeon HD 7770M in Counter-Strike: Global Offensive is 21% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
18−20
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7770M in Cyberpunk 2077 is 4% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
90−95
medium / 768p
55−60
70−75
ultra / 1080p
30−35
40−45
The average gaming FPS of Radeon HD 7770M in Dota 2 is 21% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
10−12
ultra / 1080p
7−8
10−11
4K / 2160p
3−4
4−5
low / 720p
18−20
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 7770M in Far Cry 5 is 33% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
low / 720p
60−65
70−75
medium / 1080p
21−24
30−35
The average gaming FPS of Radeon HD 7770M in Fortnite is 25% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
16−18
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
3−4
low / 720p
24−27
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7770M in Forza Horizon 4 is 30% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
60−65
medium / 768p
45−50
55−60
high / 1080p
12−14
18−20
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7770M in Grand Theft Auto V is 24% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
6−7
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
low / 720p
12−14
18−20
medium / 1080p
6−7
8−9
The average gaming FPS of Radeon HD 7770M in Metro Exodus is 50% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
100−110
high / 1080p
85−90
95−100
ultra / 1080p
80−85
85−90
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon HD 7770M in Minecraft is 6% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
40−45
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7770M in PLAYERUNKNOWN'S BATTLEGROUNDS is 15% 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
16−18
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 7770M in Red Dead Redemption 2 is 20% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
30−35
medium / 768p
16−18
21−24
high / 1080p
9−10
12−14
ultra / 1080p
6−7
7−8
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 7770M in The Witcher 3: Wild Hunt is 23% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
90−95
medium / 768p
45−50
50−55
ultra / 1080p
18−20
24−27
high / 768p
35−40
40−45
The average gaming FPS of Radeon HD 7770M in World of Tanks is 12% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon HD 7770M
Architecture
RV6xx
GCN
Code name
M88-XT CF
Chelsea XT
Type
Laptop
Laptop
Release date
1 September 2008
24 April 2012
Pipelines
640
512
Core clock speed
660 MHz
675 MHz
Transistor count
666 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
10.56
21.60
Floating-point performance
2x 422.4 gflops
691.2 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
4000 MHz
Memory bandwidth
54.4 GB/s
64 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
12 (11_1)
Shader Model
4.1
5.1
OpenGL
3.3
4.6
OpenCL
N/A
1.2
Vulkan
N/A
1.2.131
Laptop size
large
medium sized
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