Radeon HD 7770M vs Radeon HD 7870M
When choosing between Radeon HD 7770M and Radeon HD 7870M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 7770M and Radeon HD 7870M.
Radeon HD 7770M and Radeon HD 7870M are Laptop Graphics Cards
Note: Radeon HD 7770M and Radeon HD 7870M 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 Radeon HD 7770M or Radeon HD 7870M here:
Main Specs
Radeon HD 7770M
Radeon HD 7870M
Power consumption (TDP)
32 Watt
45 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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Radeon HD 7870M has 40% more power consumption, than Radeon HD 7770M.
Radeon HD 7770M is connected by PCIe 2.0 x16, and Radeon HD 7870M uses PCIe 3.0 x16 interface.
Radeon HD 7870M has 1 GB more memory, than Radeon HD 7770M.
Both cards are used in Laptops.
Radeon HD 7770M and Radeon HD 7870M are build with GCN architecture.
Core clock speed of Radeon HD 7870M is 125 MHz higher, than Radeon HD 7770M.
Radeon HD 7770M and Radeon HD 7870M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770M and Radeon HD 7870M is 4000 MHz.
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
6−7
ultra / 1080p
5−6
4−5
QHD / 1440p
0−1
0−1
low / 720p
21−24
16−18
medium / 1080p
10−12
8−9
The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 33% more, than Radeon HD 7870M.
high / 1080p
14−16
12−14
ultra / 1080p
12−14
10−11
QHD / 1440p
0−1
0−1
low / 720p
30−35
24−27
medium / 1080p
16−18
12−14
The average gaming FPS of Radeon HD 7770M in Battlefield 5 is 26% more, than Radeon HD 7870M.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Radeon HD 7770M and Radeon HD 7870M have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
130−140
medium / 768p
130−140
110−120
ultra / 1080p
65−70
50−55
QHD / 1440p
35−40
30−33
4K / 2160p
27−30
27−30
high / 768p
100−110
80−85
The average gaming FPS of Radeon HD 7770M in Counter-Strike: Global Offensive is 20% more, than Radeon HD 7870M.
low / 768p
55−60
55−60
ultra / 1080p
24−27
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7770M in Cyberpunk 2077 is 4% more, than Radeon HD 7870M.
low / 768p
90−95
80−85
medium / 768p
70−75
60−65
ultra / 1080p
40−45
30−35
The average gaming FPS of Radeon HD 7770M in Dota 2 is 16% more, than Radeon HD 7870M.
high / 1080p
10−12
8−9
ultra / 1080p
10−11
8−9
4K / 2160p
4−5
3−4
low / 720p
24−27
18−20
medium / 1080p
12−14
9−10
The average gaming FPS of Radeon HD 7770M in Far Cry 5 is 33% more, than Radeon HD 7870M.
high / 1080p
18−20
14−16
ultra / 1080p
12−14
10−11
low / 720p
70−75
60−65
medium / 1080p
30−35
21−24
The average gaming FPS of Radeon HD 7770M in Fortnite is 25% more, than Radeon HD 7870M.
high / 1080p
16−18
12−14
ultra / 1080p
14−16
10−12
QHD / 1440p
3−4
1−2
low / 720p
30−35
24−27
medium / 1080p
18−20
14−16
The average gaming FPS of Radeon HD 7770M in Forza Horizon 4 is 30% more, than Radeon HD 7870M.
low / 768p
60−65
50−55
medium / 768p
55−60
45−50
high / 1080p
18−20
12−14
ultra / 1080p
8−9
6−7
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7770M in Grand Theft Auto V is 24% more, than Radeon HD 7870M.
high / 1080p
6−7
5−6
ultra / 1080p
4−5
3−4
4K / 2160p
1−2
0−1
low / 720p
18−20
12−14
medium / 1080p
8−9
6−7
The average gaming FPS of Radeon HD 7770M in Metro Exodus is 28% more, than Radeon HD 7870M.
low / 768p
100−110
95−100
high / 1080p
95−100
90−95
ultra / 1080p
85−90
80−85
medium / 1080p
95−100
90−95
The average gaming FPS of Radeon HD 7770M in Minecraft is 5% more, than Radeon HD 7870M.
high / 1080p
18−20
16−18
ultra / 1080p
14−16
14−16
low / 720p
40−45
30−35
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7770M in PLAYERUNKNOWN'S BATTLEGROUNDS is 15% more, than Radeon HD 7870M.
high / 1080p
12−14
−
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
12−14
10−12
The average gaming FPS of Radeon HD 7770M in Red Dead Redemption 2 is 20% more, than Radeon HD 7870M.
low / 768p
30−35
24−27
medium / 768p
21−24
16−18
high / 1080p
12−14
9−10
ultra / 1080p
7−8
6−7
4K / 2160p
7−8
6−7
The average gaming FPS of Radeon HD 7770M in The Witcher 3: Wild Hunt is 23% more, than Radeon HD 7870M.
low / 768p
90−95
85−90
medium / 768p
50−55
45−50
ultra / 1080p
24−27
20−22
high / 768p
40−45
35−40
The average gaming FPS of Radeon HD 7770M in World of Tanks is 10% more, than Radeon HD 7870M.
Full Specs
Radeon HD 7770M
Radeon HD 7870M
Architecture
GCN
GCN
Code name
Chelsea XT
Heathrow XT
Type
Laptop
Laptop
Release date
24 April 2012
24 April 2012
Pipelines
512
640
Core clock speed
675 MHz
800 MHz
Transistor count
1,500 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
21.60
32.00
Floating-point performance
691.2 gflops
1,024 gflops
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
4000 MHz
Memory bandwidth
64 GB/s
64 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2.131
1.2.131
Laptop size
medium sized
large
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