Radeon R9 M280X vs Radeon R9 M390
If you are going to buy a new graphics card and are choosing between Radeon R9 M280X 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 R9 M280X stacks up against Radeon R9 M390, check out specs charts below.
Radeon R9 M280X and Radeon R9 M390 are Laptop Graphics Cards
Note: Radeon R9 M280X and Radeon R9 M390 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 R9 M280X or Radeon R9 M390 here:
Main Specs
Radeon R9 M280X
Radeon R9 M390
Interface
PCIe 3.0 x16
Memory type
Not Listed
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
Radeon R9 M280X and Radeon R9 M390 are build with GCN architecture.
Radeon R9 M280X 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
2−3
18−20
ultra / 1080p
1−2
10−11
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
14−16
35−40
medium / 1080p
4−5
21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 340% more, than Radeon R9 M280X.
high / 1080p
7−8
27−30
ultra / 1080p
5−6
24−27
QHD / 1440p
0−1
10−12
4K / 2160p
−
7−8
low / 720p
18−20
60−65
medium / 1080p
7−8
30−35
The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 311% more, than Radeon R9 M280X.
low / 768p
50−55
45−50
high / 1080p
30−35
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M280X in Call of Duty: Warzone is 10% more, than Radeon R9 M390.
low / 768p
110−120
220−230
medium / 768p
90−95
190−200
ultra / 1080p
40−45
110−120
QHD / 1440p
24−27
65−70
4K / 2160p
18−20
35−40
high / 768p
65−70
150−160
The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 120% more, than Radeon R9 M280X.
low / 768p
70−75
55−60
ultra / 1080p
21−24
45−50
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 6% more, than Radeon R9 M280X.
low / 768p
70−75
110−120
medium / 768p
50−55
100−110
ultra / 1080p
27−30
70−75
The average gaming FPS of Radeon R9 M390 in Dota 2 is 90% more, than Radeon R9 M280X.
high / 1080p
3−4
21−24
ultra / 1080p
3−4
18−20
QHD / 1440p
−
16−18
4K / 2160p
2−3
7−8
low / 720p
14−16
45−50
medium / 1080p
4−5
21−24
The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 360% more, than Radeon R9 M280X.
high / 1080p
10−12
27−30
ultra / 1080p
5−6
21−24
QHD / 1440p
2−3
16−18
low / 720p
50−55
110−120
medium / 1080p
14−16
60−65
The average gaming FPS of Radeon R9 M390 in Fortnite is 188% more, than Radeon R9 M280X.
high / 1080p
6−7
30−33
ultra / 1080p
−
21−24
QHD / 1440p
4−5
12−14
4K / 2160p
2−3
10−12
low / 720p
21−24
60−65
medium / 1080p
9−10
30−35
The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 233% more, than Radeon R9 M280X.
low / 768p
45−50
95−100
medium / 768p
40−45
85−90
high / 1080p
7−8
35−40
ultra / 1080p
3−4
14−16
QHD / 1440p
0−1
5−6
The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 136% more, than Radeon R9 M280X.
high / 1080p
2−3
10−12
ultra / 1080p
0−1
9−10
4K / 2160p
0−1
3−4
low / 720p
8−9
35−40
medium / 1080p
4−5
14−16
The average gaming FPS of Radeon R9 M390 in Metro Exodus is 320% more, than Radeon R9 M280X.
low / 768p
80−85
110−120
ultra / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon R9 M390 in Minecraft is 40% more, than Radeon R9 M280X.
high / 1080p
−
24−27
ultra / 1080p
12−14
18−20
low / 720p
27−30
65−70
medium / 1080p
14−16
27−30
The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 111% more, than Radeon R9 M280X.
high / 1080p
−
14−16
ultra / 1080p
6−7
10−11
QHD / 1440p
−
0−1
low / 720p
8−9
30−35
medium / 1080p
7−8
18−20
The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 185% more, than Radeon R9 M280X.
low / 768p
16−18
65−70
medium / 768p
10−12
40−45
high / 1080p
6−7
21−24
ultra / 1080p
4−5
12−14
4K / 2160p
2−3
9−10
The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 287% more, than Radeon R9 M280X.
low / 768p
70−75
100−110
medium / 768p
35−40
65−70
ultra / 1080p
16−18
35−40
high / 768p
30−35
55−60
The average gaming FPS of Radeon R9 M390 in World of Tanks is 69% more, than Radeon R9 M280X.
Full Specs
Radeon R9 M280X
Radeon R9 M390
Architecture
GCN
GCN
Code name
Saturn XT
Pitcairn
Type
Laptop
Laptop
Release date
1 February 2015
9 June 2015
Pipelines
896
1024
Core clock speed
900 MHz
Transistor count
2,080 million
5000 Million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
61.60
Floating-point performance
1,792 gflops
Memory bus width
256 Bit
Memory bandwidth
96 GB/s
Shared memory
-
-
Shader Model
6.3
OpenGL
4.4
4.4
OpenCL
Not Listed
Not Listed
FreeSync
+
+
Bus support
Not Listed
PCIe 3.0
Bitcoin / BTC (SHA256)
242 Mh/s
Laptop size
large
large
Eyefinity
+
HD3D
+
+
PowerTune
+
+
DualGraphics
+
+
ZeroCore
+
+
Switchable graphics
+
+
Mantle
+
+
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