GeForce 940M vs Radeon R9 M390X
In this comparison between GeForce 940M and Radeon R9 M390X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce 940M will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.
GeForce 940M and Radeon R9 M390X are Laptop Graphics Cards
Note: GeForce 940M and Radeon R9 M390X 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 GeForce 940M or Radeon R9 M390X here:
Main Specs
GeForce 940M
Radeon R9 M390X
Power consumption (TDP)
75 Watt
100 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
4 GB
Display Connectors
No outputs
No outputs
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Radeon R9 M390X has 33% more power consumption, than GeForce 940M.
GeForce 940M is connected by PCIe 3.0 x8, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
GeForce 940M and Radeon R9 M390X have maximum RAM of 4 GB.
Both cards are used in Laptops.
GeForce 940M is build with Maxwell architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of GeForce 940M is 349 MHz higher, than Radeon R9 M390X.
GeForce 940M 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
2−3
21−24
ultra / 1080p
1−2
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
12−14
40−45
medium / 1080p
4−5
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 420% more, than GeForce 940M.
high / 1080p
6−7
35−40
ultra / 1080p
4−5
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
16−18
70−75
medium / 1080p
6−7
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 475% more, than GeForce 940M.
low / 768p
50−55
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
GeForce 940M and Radeon R9 M390X have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
230−240
medium / 768p
90−95
210−220
ultra / 1080p
40−45
120−130
QHD / 1440p
24−27
100−110
4K / 2160p
18−20
55−60
high / 768p
65−70
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 145% more, than GeForce 940M.
low / 768p
70−75
60−65
ultra / 1080p
18−20
55−60
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 28% more, than GeForce 940M.
low / 768p
70−75
120−130
medium / 768p
50−55
110−120
ultra / 1080p
24−27
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 118% more, than GeForce 940M.
high / 1080p
3−4
27−30
ultra / 1080p
3−4
24−27
QHD / 1440p
−
20−22
4K / 2160p
2−3
9−10
low / 720p
12−14
55−60
medium / 1080p
4−5
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 500% more, than GeForce 940M.
high / 1080p
10−11
35−40
ultra / 1080p
5−6
27−30
QHD / 1440p
2−3
16−18
low / 720p
50−55
130−140
medium / 1080p
12−14
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 268% more, than GeForce 940M.
high / 1080p
7−8
35−40
ultra / 1080p
6−7
27−30
QHD / 1440p
2−3
16−18
4K / 2160p
−
14−16
low / 720p
20−22
75−80
medium / 1080p
9−10
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 344% more, than GeForce 940M.
low / 768p
45−50
110−120
medium / 768p
35−40
95−100
high / 1080p
6−7
45−50
ultra / 1080p
3−4
18−20
QHD / 1440p
0−1
9−10
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 200% more, than GeForce 940M.
high / 1080p
1−2
14−16
ultra / 1080p
0−1
10−12
QHD / 1440p
−
10−12
4K / 2160p
0−1
3−4
low / 720p
6−7
40−45
medium / 1080p
3−4
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 766% more, than GeForce 940M.
low / 768p
90−95
120−130
high / 1080p
85−90
−
ultra / 1080p
75−80
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 30% more, than GeForce 940M.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
24−27
75−80
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 105% more, than GeForce 940M.
high / 1080p
−
16−18
ultra / 1080p
4−5
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
5−6
40−45
medium / 1080p
−
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 420% more, than GeForce 940M.
low / 768p
14−16
80−85
medium / 768p
10−11
50−55
high / 1080p
5−6
27−30
ultra / 1080p
4−5
16−18
4K / 2160p
1−2
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 442% more, than GeForce 940M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
14−16
40−45
high / 768p
30−35
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 53% more, than GeForce 940M.
Full Specs
GeForce 940M
Radeon R9 M390X
Architecture
Maxwell
GCN 3
Code name
N16S-GT-S/B
Amethyst (XT) / Tonga
Type
Laptop
Laptop
Release date
12 March 2015
9 June 2015
Pipelines
384
2048
Core clock speed
1072 MHz
723 MHz
Boost Clock
1176 MHz
Transistor count
1,870 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.22
92.54
Floating-point performance
903.2 gflops
2,961 gflops
Memory bus width
64 Bit
256 Bit
Memory clock speed
2000 MHz
Memory bandwidth
14.4 GB/s
160.0 GB/s
Shared memory
-
-
DirectX
12 (11_0)
Shader Model
5.1
6.3
OpenGL
4.5
4.4
OpenCL
1.2
Not Listed
Vulkan
1.1.126
+
CUDA
+
FreeSync
+
Bus support
PCI Express 3.0
PCIe 3.0
Bitcoin / BTC (SHA256)
101 Mh/s
Laptop size
medium sized
large
Optimus
+
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
GPU Boost
2.0
GameWorks
+
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