Radeon R9 M390X vs Radeon R9 M485X
If you are going to buy a new graphics card and are choosing between Radeon R9 M390X and Radeon R9 M485X, 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 M390X stacks up against Radeon R9 M485X, check out specs charts below.
Radeon R9 M390X and Radeon R9 M485X are Laptop Graphics Cards
Note: Radeon R9 M390X and Radeon R9 M485X 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 M390X or Radeon R9 M485X here:
Main Specs
Radeon R9 M390X
Radeon R9 M485X
Power consumption (TDP)
100 Watt
250 Watt
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
None
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
8 GB MB
Display Connectors
No outputs
No outputs
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Radeon R9 M485X has 150% more power consumption, than Radeon R9 M390X.
Radeon R9 M390X is connected by PCIe 3.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
Radeon R9 M485X has 4 GB more memory, than Radeon R9 M390X.
Both cards are used in Laptops.
Radeon R9 M390X and Radeon R9 M485X are build with GCN 3 architecture.
Both graphics cards have the same core clock speed.
Radeon R9 M390X and Radeon R9 M485X 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
21−24
24−27
ultra / 1080p
12−14
14−16
QHD / 1440p
8−9
10−11
4K / 2160p
5−6
6−7
low / 720p
40−45
45−50
medium / 1080p
27−30
30−35
The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 10% more, than Radeon R9 M390X.
high / 1080p
35−40
35−40
ultra / 1080p
30−35
30−35
QHD / 1440p
14−16
18−20
4K / 2160p
9−10
10−12
low / 720p
70−75
80−85
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon R9 M485X in Battlefield 5 is 11% more, than Radeon R9 M390X.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
Radeon R9 M390X and Radeon R9 M485X have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
240−250
medium / 768p
210−220
210−220
ultra / 1080p
120−130
140−150
QHD / 1440p
100−110
110−120
4K / 2160p
55−60
60−65
high / 768p
170−180
180−190
The average gaming FPS of Radeon R9 M485X in Counter-Strike: Global Offensive is 5% more, than Radeon R9 M390X.
low / 768p
60−65
60−65
ultra / 1080p
55−60
−
medium / 1080p
55−60
55−60
Radeon R9 M390X and Radeon R9 M485X have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
85−90
90−95
The average gaming FPS of Radeon R9 M485X in Dota 2 is 0% more, than Radeon R9 M390X.
high / 1080p
27−30
30−35
ultra / 1080p
24−27
27−30
QHD / 1440p
20−22
21−24
4K / 2160p
9−10
10−11
low / 720p
55−60
60−65
medium / 1080p
30−33
30−35
The average gaming FPS of Radeon R9 M485X in Far Cry 5 is 10% more, than Radeon R9 M390X.
high / 1080p
35−40
40−45
ultra / 1080p
27−30
30−35
QHD / 1440p
16−18
18−20
low / 720p
130−140
140−150
medium / 1080p
75−80
85−90
The average gaming FPS of Radeon R9 M485X in Fortnite is 10% more, than Radeon R9 M390X.
high / 1080p
35−40
40−45
ultra / 1080p
27−30
30−35
QHD / 1440p
16−18
18−20
4K / 2160p
14−16
16−18
low / 720p
75−80
80−85
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon R9 M485X in Forza Horizon 4 is 11% more, than Radeon R9 M390X.
low / 768p
110−120
110−120
medium / 768p
95−100
100−110
high / 1080p
45−50
50−55
ultra / 1080p
18−20
21−24
QHD / 1440p
9−10
10−12
The average gaming FPS of Radeon R9 M485X in Grand Theft Auto V is 7% more, than Radeon R9 M390X.
high / 1080p
14−16
16−18
ultra / 1080p
10−12
12−14
QHD / 1440p
10−12
12−14
4K / 2160p
3−4
4−5
low / 720p
40−45
45−50
medium / 1080p
20−22
21−24
The average gaming FPS of Radeon R9 M485X in Metro Exodus is 11% more, than Radeon R9 M390X.
low / 768p
120−130
120−130
medium / 1080p
110−120
110−120
Radeon R9 M390X and Radeon R9 M485X have the same average FPS in Minecraft.
ultra / 1080p
14−16
14−16
low / 720p
75−80
80−85
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 M485X in PLAYERUNKNOWN'S BATTLEGROUNDS is 2% more, than Radeon R9 M390X.
high / 1080p
16−18
18−20
ultra / 1080p
10−12
12−14
QHD / 1440p
3−4
4−5
4K / 2160p
2−3
3−4
low / 720p
40−45
45−50
medium / 1080p
21−24
24−27
The average gaming FPS of Radeon R9 M485X in Red Dead Redemption 2 is 12% more, than Radeon R9 M390X.
low / 768p
80−85
90−95
medium / 768p
50−55
55−60
high / 1080p
27−30
30−35
ultra / 1080p
16−18
18−20
4K / 2160p
9−10
10−11
The average gaming FPS of Radeon R9 M485X in The Witcher 3: Wild Hunt is 10% more, than Radeon R9 M390X.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
45−50
high / 768p
55−60
55−60
The average gaming FPS of Radeon R9 M485X in World of Tanks is 3% more, than Radeon R9 M390X.
Full Specs
Radeon R9 M390X
Radeon R9 M485X
Architecture
GCN 3
GCN 3
Code name
Amethyst (XT) / Tonga
Amethyst
Type
Laptop
Laptop
Release date
9 June 2015
14 May 2016
Pipelines
2048
2048
Core clock speed
723 MHz
723 MHz
Transistor count
5,000 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
92.54
92.54
Floating-point performance
2,961 gflops
2,961 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
5000 MHz
Memory bandwidth
160.0 GB/s
160.0 GB/s
Shared memory
-
-
DirectX
12 (12_0)
Shader Model
6.3
6.3
OpenGL
4.4
4.6
OpenCL
Not Listed
2.0
Vulkan
+
1.2.131
FreeSync
+
Bus support
PCIe 3.0
Laptop size
large
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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