Radeon HD 7770M vs Radeon Pro 555X
When choosing between Radeon HD 7770M and Radeon Pro 555X, 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 Pro 555X.
Radeon HD 7770M and Radeon Pro 555X are Laptop Graphics Cards
Note: Radeon HD 7770M and Radeon Pro 555X 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 Pro 555X here:
Main Specs
Radeon HD 7770M
Radeon Pro 555X
Power consumption (TDP)
32 Watt
75 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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Radeon Pro 555X has 134% more power consumption, than Radeon HD 7770M.
Radeon HD 7770M is connected by PCIe 2.0 x16, and Radeon Pro 555X uses PCIe 3.0 x8 interface.
Radeon Pro 555X has 1 GB more memory, than Radeon HD 7770M.
Radeon HD 7770M is used in Laptops, and Radeon Pro 555X - in Mobile workstations.
Radeon HD 7770M is build with GCN architecture, and Radeon Pro 555X - with Polaris.
Core clock speed of Radeon Pro 555X is 180 MHz higher, than Radeon HD 7770M.
Radeon HD 7770M is manufactured by 28 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
Memory clock speed of Radeon Pro 555X is 1080 MHz higher, than Radeon HD 7770M.
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
16−18
ultra / 1080p
5−6
10−11
QHD / 1440p
0−1
4−5
4K / 2160p
−
4−5
low / 720p
21−24
30−35
medium / 1080p
10−12
21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 66% more, than Radeon HD 7770M.
high / 1080p
14−16
24−27
ultra / 1080p
12−14
21−24
QHD / 1440p
0−1
10−11
4K / 2160p
−
6−7
low / 720p
30−35
55−60
medium / 1080p
16−18
30−33
The average gaming FPS of Radeon Pro 555X in Battlefield 5 is 78% more, than Radeon HD 7770M.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 7770M and Radeon Pro 555X have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
220−230
medium / 768p
130−140
190−200
ultra / 1080p
65−70
100−110
QHD / 1440p
35−40
60−65
4K / 2160p
27−30
30−35
high / 768p
100−110
150−160
The average gaming FPS of Radeon Pro 555X in Counter-Strike: Global Offensive is 44% more, than Radeon HD 7770M.
low / 768p
55−60
55−60
ultra / 1080p
24−27
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon Pro 555X in Cyberpunk 2077 is 13% more, than Radeon HD 7770M.
low / 768p
90−95
110−120
medium / 768p
70−75
95−100
ultra / 1080p
40−45
65−70
The average gaming FPS of Radeon Pro 555X in Dota 2 is 34% more, than Radeon HD 7770M.
high / 1080p
10−12
20−22
ultra / 1080p
10−11
18−20
QHD / 1440p
−
16−18
4K / 2160p
4−5
6−7
low / 720p
24−27
40−45
medium / 1080p
12−14
21−24
The average gaming FPS of Radeon Pro 555X in Far Cry 5 is 83% more, than Radeon HD 7770M.
high / 1080p
18−20
27−30
ultra / 1080p
12−14
21−24
QHD / 1440p
−
16−18
low / 720p
70−75
100−110
medium / 1080p
30−35
55−60
The average gaming FPS of Radeon Pro 555X in Fortnite is 55% more, than Radeon HD 7770M.
high / 1080p
16−18
27−30
ultra / 1080p
14−16
21−24
QHD / 1440p
3−4
10−11
4K / 2160p
−
10−11
low / 720p
30−35
55−60
medium / 1080p
18−20
30−35
The average gaming FPS of Radeon Pro 555X in Forza Horizon 4 is 76% more, than Radeon HD 7770M.
low / 768p
60−65
90−95
medium / 768p
55−60
80−85
high / 1080p
18−20
30−35
ultra / 1080p
8−9
12−14
QHD / 1440p
0−1
4−5
The average gaming FPS of Radeon Pro 555X in Grand Theft Auto V is 52% more, than Radeon HD 7770M.
high / 1080p
6−7
10−11
ultra / 1080p
4−5
8−9
4K / 2160p
1−2
3−4
low / 720p
18−20
30−35
medium / 1080p
8−9
14−16
The average gaming FPS of Radeon Pro 555X in Metro Exodus is 75% more, than Radeon HD 7770M.
low / 768p
100−110
110−120
high / 1080p
95−100
−
ultra / 1080p
85−90
−
medium / 1080p
95−100
100−110
The average gaming FPS of Radeon Pro 555X in Minecraft is 8% more, than Radeon HD 7770M.
high / 1080p
18−20
24−27
ultra / 1080p
14−16
18−20
low / 720p
40−45
60−65
medium / 1080p
18−20
24−27
The average gaming FPS of Radeon Pro 555X in PLAYERUNKNOWN'S BATTLEGROUNDS is 43% more, than Radeon HD 7770M.
high / 1080p
12−14
14−16
ultra / 1080p
8−9
10−11
QHD / 1440p
0−1
0−1
low / 720p
16−18
30−35
medium / 1080p
12−14
18−20
The average gaming FPS of Radeon Pro 555X in Red Dead Redemption 2 is 58% more, than Radeon HD 7770M.
low / 768p
30−35
60−65
medium / 768p
21−24
35−40
high / 1080p
12−14
21−24
ultra / 1080p
7−8
12−14
4K / 2160p
7−8
8−9
The average gaming FPS of Radeon Pro 555X in The Witcher 3: Wild Hunt is 75% more, than Radeon HD 7770M.
low / 768p
90−95
100−110
medium / 768p
50−55
60−65
ultra / 1080p
24−27
35−40
high / 768p
40−45
55−60
The average gaming FPS of Radeon Pro 555X in World of Tanks is 22% more, than Radeon HD 7770M.
Full Specs
Radeon HD 7770M
Radeon Pro 555X
Architecture
GCN
Polaris
Code name
Chelsea XT
Polaris 21
Type
Laptop
Mobile workstation
Release date
24 April 2012
5 June 2017
Pipelines
512
768
Core clock speed
675 MHz
855 MHz
Transistor count
1,500 million
3,000 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
21.60
43.54
Floating-point performance
691.2 gflops
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
5080 MHz
Memory bandwidth
64 GB/s
81.6 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
1.2.131
FreeSync
+
Laptop size
medium sized
large
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