Radeon HD 7790 vs Radeon R9 M390
If you are going to buy a new graphics card and are choosing between Radeon HD 7790 and Radeon R9 M390, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 7790 stacks up against Radeon R9 M390, check out specs charts below.
Radeon R9 M390 is a Laptop Graphics Card
Note: Radeon R9 M390 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 M390 here:
Main Specs
Radeon HD 7790
Radeon R9 M390
Power consumption (TDP)
85 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon R9 M390 has 1 GB more memory, than Radeon HD 7790.
Radeon HD 7790 is used in Desktops, and Radeon R9 M390 - in Laptops.
Radeon HD 7790 is build with GCN 2.0 architecture, and Radeon R9 M390 - with GCN.
Radeon HD 7790 and Radeon R9 M390 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
18−20
ultra / 1080p
9−10
10−11
QHD / 1440p
4−5
5−6
4K / 2160p
4−5
4−5
low / 720p
30−35
35−40
medium / 1080p
20−22
21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 14% more, than Radeon HD 7790.
high / 1080p
24−27
27−30
ultra / 1080p
21−24
24−27
QHD / 1440p
8−9
10−12
4K / 2160p
6−7
7−8
low / 720p
50−55
60−65
medium / 1080p
27−30
30−35
The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 12% more, than Radeon HD 7790.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 7790 and Radeon R9 M390 have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
220−230
medium / 768p
180−190
190−200
ultra / 1080p
100−110
110−120
QHD / 1440p
55−60
65−70
4K / 2160p
30−35
35−40
high / 768p
140−150
150−160
The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 7% more, than Radeon HD 7790.
low / 768p
55−60
55−60
ultra / 1080p
40−45
45−50
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 2% more, than Radeon HD 7790.
low / 768p
110−120
110−120
medium / 768p
95−100
100−110
ultra / 1080p
65−70
70−75
The average gaming FPS of Radeon R9 M390 in Dota 2 is 4% more, than Radeon HD 7790.
high / 1080p
18−20
21−24
ultra / 1080p
16−18
18−20
QHD / 1440p
16−18
16−18
4K / 2160p
6−7
7−8
low / 720p
40−45
45−50
medium / 1080p
20−22
21−24
The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 10% more, than Radeon HD 7790.
high / 1080p
24−27
27−30
ultra / 1080p
20−22
21−24
QHD / 1440p
16−18
16−18
low / 720p
100−110
110−120
medium / 1080p
55−60
60−65
The average gaming FPS of Radeon R9 M390 in Fortnite is 8% more, than Radeon HD 7790.
high / 1080p
27−30
30−33
ultra / 1080p
21−24
21−24
QHD / 1440p
10−11
12−14
4K / 2160p
10−11
10−12
low / 720p
55−60
60−65
medium / 1080p
30−33
30−35
The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 7% more, than Radeon HD 7790.
low / 768p
85−90
95−100
medium / 768p
75−80
85−90
high / 1080p
30−35
35−40
ultra / 1080p
12−14
14−16
QHD / 1440p
3−4
5−6
The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 14% more, than Radeon HD 7790.
high / 1080p
10−11
10−12
ultra / 1080p
8−9
9−10
4K / 2160p
3−4
3−4
low / 720p
30−35
35−40
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon R9 M390 in Metro Exodus is 15% more, than Radeon HD 7790.
low / 768p
110−120
110−120
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon R9 M390 in Minecraft is 4% more, than Radeon HD 7790.
high / 1080p
21−24
24−27
ultra / 1080p
18−20
18−20
low / 720p
55−60
65−70
medium / 1080p
24−27
27−30
The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 12% more, than Radeon HD 7790.
high / 1080p
14−16
14−16
ultra / 1080p
10−11
10−11
QHD / 1440p
0−1
0−1
low / 720p
30−33
30−35
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 5% more, than Radeon HD 7790.
low / 768p
55−60
65−70
medium / 768p
35−40
40−45
high / 1080p
20−22
21−24
ultra / 1080p
10−12
12−14
4K / 2160p
8−9
9−10
The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 14% more, than Radeon HD 7790.
low / 768p
100−110
100−110
medium / 768p
60−65
65−70
ultra / 1080p
35−40
35−40
high / 768p
55−60
55−60
The average gaming FPS of Radeon R9 M390 in World of Tanks is 1% more, than Radeon HD 7790.
Full Specs
Radeon HD 7790
Radeon R9 M390
Architecture
GCN 2.0
GCN
Code name
Bonaire
Pitcairn
Type
Desktop
Laptop
Release date
22 March 2013
9 June 2015
Pipelines
896
1024
Core clock speed
1000 MHz
Transistor count
2,080 million
5000 Million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
56.00
Floating-point performance
1,792 gflops
Length
183 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
Memory bandwidth
96 GB/s
Shared memory
-
DirectX
12 (12_0)
Shader Model
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
242 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Ethereum / ETH (DaggerHashimoto)
5.2 Mh/s
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