Radeon R9 280X vs Radeon R9 M390X
When comparing Radeon R9 280X and Radeon R9 M390X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon R9 280X and Radeon R9 M390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
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 R9 280X
Radeon R9 M390X
Power consumption (TDP)
250 Watt
100 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Radeon R9 280X has 150% more power consumption, than Radeon R9 M390X.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon R9 M390X has 1 GB more memory, than Radeon R9 280X.
Radeon R9 280X is used in Desktops, and Radeon R9 M390X - in Laptops.
Radeon R9 280X is build with GCN architecture, and Radeon R9 M390X - with GCN 3.
Radeon R9 280X 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
35−40
21−24
ultra / 1080p
21−24
12−14
QHD / 1440p
16−18
8−9
4K / 2160p
10−11
5−6
low / 720p
60−65
40−45
medium / 1080p
40−45
27−30
The average gaming FPS of Radeon R9 280X in Assassin's Creed Odyssey is 60% more, than Radeon R9 M390X.
high / 1080p
55−60
35−40
ultra / 1080p
45−50
30−35
QHD / 1440p
35−40
14−16
4K / 2160p
18−20
9−10
low / 720p
100−110
70−75
medium / 1080p
60−65
40−45
The average gaming FPS of Radeon R9 280X in Battlefield 5 is 58% more, than Radeon R9 M390X.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
Radeon R9 280X and Radeon R9 M390X have the same average FPS in Call of Duty: Warzone.
low / 768p
250−260
230−240
medium / 768p
220−230
210−220
ultra / 1080p
180−190
120−130
QHD / 1440p
110−120
100−110
4K / 2160p
70−75
55−60
high / 768p
210−220
170−180
The average gaming FPS of Radeon R9 280X in Counter-Strike: Global Offensive is 16% more, than Radeon R9 M390X.
low / 768p
60−65
60−65
ultra / 1080p
−
55−60
medium / 1080p
55−60
55−60
Radeon R9 280X and Radeon R9 M390X have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
100−110
85−90
The average gaming FPS of Radeon R9 280X in Dota 2 is 5% more, than Radeon R9 M390X.
high / 1080p
45−50
27−30
ultra / 1080p
40−45
24−27
QHD / 1440p
27−30
20−22
4K / 2160p
14−16
9−10
low / 720p
80−85
55−60
medium / 1080p
45−50
30−33
The average gaming FPS of Radeon R9 280X in Far Cry 5 is 53% more, than Radeon R9 M390X.
high / 1080p
60−65
35−40
ultra / 1080p
45−50
27−30
QHD / 1440p
27−30
16−18
4K / 2160p
27−30
−
low / 720p
180−190
130−140
medium / 1080p
110−120
75−80
The average gaming FPS of Radeon R9 280X in Fortnite is 47% more, than Radeon R9 M390X.
high / 1080p
60−65
35−40
ultra / 1080p
45−50
27−30
QHD / 1440p
30−35
16−18
4K / 2160p
24−27
14−16
low / 720p
100−110
75−80
medium / 1080p
65−70
40−45
The average gaming FPS of Radeon R9 280X in Forza Horizon 4 is 55% more, than Radeon R9 M390X.
low / 768p
140−150
110−120
medium / 768p
120−130
95−100
high / 1080p
70−75
45−50
ultra / 1080p
30−35
18−20
QHD / 1440p
21−24
9−10
The average gaming FPS of Radeon R9 280X in Grand Theft Auto V is 38% more, than Radeon R9 M390X.
high / 1080p
24−27
14−16
ultra / 1080p
20−22
10−12
QHD / 1440p
16−18
10−12
4K / 2160p
8−9
3−4
low / 720p
65−70
40−45
medium / 1080p
30−35
20−22
The average gaming FPS of Radeon R9 280X in Metro Exodus is 64% more, than Radeon R9 M390X.
low / 768p
130−140
120−130
medium / 1080p
120−130
110−120
The average gaming FPS of Radeon R9 280X in Minecraft is 8% more, than Radeon R9 M390X.
ultra / 1080p
14−16
14−16
low / 720p
100−110
75−80
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 280X in PLAYERUNKNOWN'S BATTLEGROUNDS is 24% more, than Radeon R9 M390X.
high / 1080p
24−27
16−18
ultra / 1080p
16−18
10−12
QHD / 1440p
10−11
3−4
4K / 2160p
7−8
2−3
low / 720p
65−70
40−45
medium / 1080p
35−40
21−24
The average gaming FPS of Radeon R9 280X in Red Dead Redemption 2 is 68% more, than Radeon R9 M390X.
low / 768p
130−140
80−85
medium / 768p
85−90
50−55
high / 1080p
45−50
27−30
ultra / 1080p
24−27
16−18
4K / 2160p
16−18
9−10
The average gaming FPS of Radeon R9 280X in The Witcher 3: Wild Hunt is 63% more, than Radeon R9 M390X.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
50−55
40−45
high / 768p
60−65
55−60
The average gaming FPS of Radeon R9 280X in World of Tanks is 6% more, than Radeon R9 M390X.
Full Specs
Radeon R9 280X
Radeon R9 M390X
Architecture
GCN
GCN 3
Code name
Thaiti XTL
Amethyst (XT) / Tonga
Type
Desktop
Laptop
Release date
8 October 2013
9 June 2015
Pipelines
2048
2048
Core clock speed
723 MHz
Boost Clock
1000 MHz
Transistor count
4,313 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
128.0
92.54
Floating-point performance
4,096 gflops
2,961 gflops
Length
275 mm
Memory bus width
384 Bit
256 Bit
Memory bandwidth
288 GB/s
160.0 GB/s
Shared memory
-
-
Shader Model
5.1
6.3
OpenGL
4.6
4.4
OpenCL
1.2
Not Listed
Vulkan
+
+
Monero / XMR (CryptoNight)
0.5 kh/s
FreeSync
+
+
Bus support
PCIe 3.0
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
494 Mh/s
Laptop size
large
Eyefinity
+
+
HD3D
+
+
PowerTune
+
DualGraphics
+
TrueAudio
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Design
reference
DisplayPort support
+
CrossFire
+
DDMA audio
+
Decred / DCR (Decred)
1.07 Gh/s
Ethereum / ETH (DaggerHashimoto)
14.42 Mh/s
Zcash / ZEC (Equihash)
285 Sol/s
AppAcceleration
+
LiquidVR
+
TressFX
+
UVD
+
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