Radeon R9 280 vs Radeon R9 M390X
When choosing between Radeon R9 280 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 R9 280 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 R9 280
Radeon R9 M390X
Power consumption (TDP)
200 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, 2x mini-DisplayPort
No outputs
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Radeon R9 280 has 100% 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 280.
Radeon R9 280 is used in Desktops, and Radeon R9 M390X - in Laptops.
Radeon R9 280 is build with GCN 1.0 architecture, and Radeon R9 M390X - with GCN 3.
Radeon R9 280 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 280 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 280 in Battlefield 5 is 58% more, than Radeon R9 M390X.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
Radeon R9 280 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 280 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 280 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 280 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 280 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 280 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 280 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 280 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 280 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 280 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 280 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 280 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 280 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 280 in World of Tanks is 6% more, than Radeon R9 M390X.
Full Specs
Radeon R9 280
Radeon R9 M390X
Architecture
GCN 1.0
GCN 3
Code name
Tahiti
Amethyst (XT) / Tonga
Type
Desktop
Laptop
Release date
4 March 2014
9 June 2015
Pipelines
1792
2048
Core clock speed
723 MHz
Boost Clock
933 MHz
Transistor count
4,313 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
104.5
92.54
Floating-point performance
3,344 gflops
2,961 gflops
Length
275 mm
Memory bus width
384 Bit
256 Bit
Memory clock speed
1250 MHz
Memory bandwidth
240 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
+
+
FreeSync
+
+
Bus support
PCIe 3.0
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
408 Mh/s
Laptop size
large
Eyefinity
+
+
HD3D
+
+
PowerTune
+
DualGraphics
+
TrueAudio
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Design
reference
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
21.5 Mh/s
LiquidVR
+
TressFX
+
UVD
+
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