Radeon HD 7790 vs Radeon R9 M390X
When choosing between Radeon HD 7790 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 7790 and Radeon R9 M390X.
Radeon R9 M390X is a Laptop Graphics Card
Note: Radeon R9 M390X is only used in laptop graphics. It has 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 R9 M390X here:
Main Specs
Radeon HD 7790
Radeon R9 M390X
Power consumption (TDP)
85 Watt
100 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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Radeon R9 M390X has 17% more power consumption, than Radeon HD 7790.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon R9 M390X has 3 GB more memory, than Radeon HD 7790.
Radeon HD 7790 is used in Desktops, and Radeon R9 M390X - in Laptops.
Radeon HD 7790 is build with GCN 2.0 architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Radeon HD 7790 is 277 MHz higher, than Radeon R9 M390X.
Radeon HD 7790 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
16−18
21−24
ultra / 1080p
9−10
12−14
QHD / 1440p
4−5
8−9
4K / 2160p
4−5
5−6
low / 720p
30−35
40−45
medium / 1080p
20−22
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 42% more, than Radeon HD 7790.
high / 1080p
24−27
35−40
ultra / 1080p
21−24
30−35
QHD / 1440p
8−9
14−16
4K / 2160p
6−7
9−10
low / 720p
50−55
70−75
medium / 1080p
27−30
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 41% more, than Radeon HD 7790.
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 7790.
low / 768p
210−220
230−240
medium / 768p
180−190
210−220
ultra / 1080p
100−110
120−130
QHD / 1440p
55−60
100−110
4K / 2160p
30−35
55−60
high / 768p
140−150
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 23% more, than Radeon HD 7790.
low / 768p
55−60
60−65
ultra / 1080p
40−45
55−60
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 20% more, than Radeon HD 7790.
low / 768p
110−120
120−130
medium / 768p
95−100
110−120
ultra / 1080p
65−70
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 17% more, than Radeon HD 7790.
high / 1080p
18−20
27−30
ultra / 1080p
16−18
24−27
QHD / 1440p
16−18
20−22
4K / 2160p
6−7
9−10
low / 720p
40−45
55−60
medium / 1080p
20−22
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 40% more, than Radeon HD 7790.
high / 1080p
24−27
35−40
ultra / 1080p
20−22
27−30
QHD / 1440p
16−18
16−18
low / 720p
100−110
130−140
medium / 1080p
55−60
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 31% more, than Radeon HD 7790.
high / 1080p
27−30
35−40
ultra / 1080p
21−24
27−30
QHD / 1440p
10−11
16−18
4K / 2160p
10−11
14−16
low / 720p
55−60
75−80
medium / 1080p
30−33
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 38% more, than Radeon HD 7790.
low / 768p
85−90
110−120
medium / 768p
75−80
95−100
high / 1080p
30−35
45−50
ultra / 1080p
12−14
18−20
QHD / 1440p
3−4
9−10
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 35% more, than Radeon HD 7790.
high / 1080p
10−11
14−16
ultra / 1080p
8−9
10−12
QHD / 1440p
−
10−12
4K / 2160p
3−4
3−4
low / 720p
30−35
40−45
medium / 1080p
12−14
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 38% more, than Radeon HD 7790.
low / 768p
110−120
120−130
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 9% more, than Radeon HD 7790.
high / 1080p
21−24
−
ultra / 1080p
18−20
14−16
low / 720p
55−60
75−80
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 8% more, than Radeon HD 7790.
high / 1080p
14−16
16−18
ultra / 1080p
10−11
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
30−33
40−45
medium / 1080p
16−18
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 27% more, than Radeon HD 7790.
low / 768p
55−60
80−85
medium / 768p
35−40
50−55
high / 1080p
20−22
27−30
ultra / 1080p
10−12
16−18
4K / 2160p
8−9
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 40% more, than Radeon HD 7790.
low / 768p
100−110
90−95
medium / 768p
60−65
60−65
ultra / 1080p
35−40
40−45
high / 768p
55−60
55−60
The average gaming FPS of Radeon HD 7790 in World of Tanks is 3% more, than Radeon R9 M390X.
Full Specs
Radeon HD 7790
Radeon R9 M390X
Architecture
GCN 2.0
GCN 3
Code name
Bonaire
Amethyst (XT) / Tonga
Type
Desktop
Laptop
Release date
22 March 2013
9 June 2015
Pipelines
896
2048
Core clock speed
1000 MHz
723 MHz
Transistor count
2,080 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
56.00
92.54
Floating-point performance
1,792 gflops
2,961 gflops
Length
183 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
Memory bandwidth
96 GB/s
160.0 GB/s
Shared memory
-
DirectX
12 (12_0)
Shader Model
6.3
6.3
OpenGL
4.6
4.4
OpenCL
2.0
Not Listed
Vulkan
1.2.131
+
FreeSync
+
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
218 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Ethereum / ETH (DaggerHashimoto)
5.2 Mh/s
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