Radeon HD 7770M vs Radeon R9 M390X
When choosing between Radeon HD 7770M and Radeon R9 M390X, 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 R9 M390X.
Radeon HD 7770M and Radeon R9 M390X are Laptop Graphics Cards
Note: Radeon HD 7770M and Radeon R9 M390X 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 R9 M390X here:
Main Specs
Radeon HD 7770M
Radeon R9 M390X
Power consumption (TDP)
32 Watt
100 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
No outputs
No outputs
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Radeon R9 M390X has 212% more power consumption, than Radeon HD 7770M.
Radeon HD 7770M is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
Radeon R9 M390X has 3 GB more memory, than Radeon HD 7770M.
Both cards are used in Laptops.
Radeon HD 7770M is build with GCN architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Radeon R9 M390X is 48 MHz higher, than Radeon HD 7770M.
Radeon HD 7770M and Radeon R9 M390X are manufactured 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
9−10
21−24
ultra / 1080p
5−6
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
21−24
40−45
medium / 1080p
10−12
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 116% more, than Radeon HD 7770M.
high / 1080p
14−16
35−40
ultra / 1080p
12−14
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
30−35
70−75
medium / 1080p
16−18
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 142% more, than Radeon HD 7770M.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M390X in Call of Duty: Warzone is 10% more, than Radeon HD 7770M.
low / 768p
160−170
230−240
medium / 768p
130−140
210−220
ultra / 1080p
65−70
120−130
QHD / 1440p
35−40
100−110
4K / 2160p
27−30
55−60
high / 768p
100−110
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 70% more, than Radeon HD 7770M.
low / 768p
55−60
60−65
ultra / 1080p
24−27
55−60
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 37% more, than Radeon HD 7770M.
low / 768p
90−95
120−130
medium / 768p
70−75
110−120
ultra / 1080p
40−45
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 57% more, than Radeon HD 7770M.
high / 1080p
10−12
27−30
ultra / 1080p
10−11
24−27
QHD / 1440p
−
20−22
4K / 2160p
4−5
9−10
low / 720p
24−27
55−60
medium / 1080p
12−14
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 150% more, than Radeon HD 7770M.
high / 1080p
18−20
35−40
ultra / 1080p
12−14
27−30
QHD / 1440p
−
16−18
low / 720p
70−75
130−140
medium / 1080p
30−35
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 102% more, than Radeon HD 7770M.
high / 1080p
16−18
35−40
ultra / 1080p
14−16
27−30
QHD / 1440p
3−4
16−18
4K / 2160p
−
14−16
low / 720p
30−35
75−80
medium / 1080p
18−20
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 135% more, than Radeon HD 7770M.
low / 768p
60−65
110−120
medium / 768p
55−60
95−100
high / 1080p
18−20
45−50
ultra / 1080p
8−9
18−20
QHD / 1440p
0−1
9−10
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 91% more, than Radeon HD 7770M.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
10−12
QHD / 1440p
−
10−12
4K / 2160p
1−2
3−4
low / 720p
18−20
40−45
medium / 1080p
8−9
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 125% more, than Radeon HD 7770M.
low / 768p
100−110
120−130
high / 1080p
95−100
−
ultra / 1080p
85−90
−
medium / 1080p
95−100
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 18% more, than Radeon HD 7770M.
high / 1080p
18−20
−
ultra / 1080p
14−16
14−16
low / 720p
40−45
75−80
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 48% more, than Radeon HD 7770M.
high / 1080p
12−14
16−18
ultra / 1080p
8−9
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
16−18
40−45
medium / 1080p
12−14
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 91% more, than Radeon HD 7770M.
low / 768p
30−35
80−85
medium / 768p
21−24
50−55
high / 1080p
12−14
27−30
ultra / 1080p
7−8
16−18
4K / 2160p
7−8
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 137% more, than Radeon HD 7770M.
low / 768p
90−95
90−95
medium / 768p
50−55
60−65
ultra / 1080p
24−27
40−45
high / 768p
40−45
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 18% more, than Radeon HD 7770M.
Full Specs
Radeon HD 7770M
Radeon R9 M390X
Architecture
GCN
GCN 3
Code name
Chelsea XT
Amethyst (XT) / Tonga
Type
Laptop
Laptop
Release date
24 April 2012
9 June 2015
Pipelines
512
2048
Core clock speed
675 MHz
723 MHz
Transistor count
1,500 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
21.60
92.54
Floating-point performance
691.2 gflops
2,961 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
Memory bandwidth
64 GB/s
160.0 GB/s
Shared memory
-
-
DirectX
12 (11_1)
Shader Model
5.1
6.3
OpenGL
4.6
4.4
OpenCL
1.2
Not Listed
Vulkan
1.2.131
+
FreeSync
+
Bus support
PCIe 3.0
Laptop size
medium sized
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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