Maxwell GPU Surface Book 940M GDDR5 vs Radeon R9 M390X
In this comparison between Maxwell GPU Surface Book 940M GDDR5 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 Maxwell GPU Surface Book 940M GDDR5 will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.
Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M390X are Laptop Graphics Cards
Note: Maxwell GPU Surface Book 940M GDDR5 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 Maxwell GPU Surface Book 940M GDDR5 or Radeon R9 M390X here:
Main Specs
Maxwell GPU Surface Book 940M GDDR5
Radeon R9 M390X
Power consumption (TDP)
100 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
No outputs
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Radeon R9 M390X has 3 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
Both cards are used in Laptops.
Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 231 MHz higher, than Radeon R9 M390X.
Maxwell GPU Surface Book 940M GDDR5 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
9−10
21−24
ultra / 1080p
5−6
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
21−24
40−45
medium / 1080p
12−14
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 116% more, than Maxwell GPU Surface Book 940M GDDR5.
high / 1080p
16−18
35−40
ultra / 1080p
14−16
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
30−35
70−75
medium / 1080p
16−18
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 130% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M390X in Call of Duty: Warzone is 10% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
160−170
230−240
medium / 768p
130−140
210−220
ultra / 1080p
70−75
120−130
QHD / 1440p
40−45
100−110
4K / 2160p
30−33
55−60
high / 768p
100−110
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 67% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
55−60
60−65
ultra / 1080p
27−30
55−60
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 34% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
90−95
120−130
medium / 768p
70−75
110−120
ultra / 1080p
45−50
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 55% more, than Maxwell GPU Surface Book 940M GDDR5.
high / 1080p
10−12
27−30
ultra / 1080p
10−11
24−27
QHD / 1440p
−
20−22
4K / 2160p
4−5
9−10
low / 720p
24−27
55−60
medium / 1080p
12−14
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 150% more, than Maxwell GPU Surface Book 940M GDDR5.
high / 1080p
18−20
35−40
ultra / 1080p
12−14
27−30
QHD / 1440p
−
16−18
low / 720p
75−80
130−140
medium / 1080p
30−35
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 97% more, than Maxwell GPU Surface Book 940M GDDR5.
high / 1080p
16−18
35−40
ultra / 1080p
14−16
27−30
QHD / 1440p
4−5
16−18
4K / 2160p
−
14−16
low / 720p
35−40
75−80
medium / 1080p
18−20
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 122% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
65−70
110−120
medium / 768p
55−60
95−100
high / 1080p
18−20
45−50
ultra / 1080p
8−9
18−20
QHD / 1440p
0−1
9−10
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 81% more, than Maxwell GPU Surface Book 940M GDDR5.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
10−12
QHD / 1440p
−
10−12
4K / 2160p
1−2
3−4
low / 720p
18−20
40−45
medium / 1080p
8−9
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 125% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
100−110
120−130
ultra / 1080p
90−95
−
medium / 1080p
95−100
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 18% more, than Maxwell GPU Surface Book 940M GDDR5.
high / 1080p
18−20
−
ultra / 1080p
14−16
14−16
low / 720p
40−45
75−80
medium / 1080p
20−22
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 42% more, than Maxwell GPU Surface Book 940M GDDR5.
high / 1080p
12−14
16−18
ultra / 1080p
8−9
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
18−20
40−45
medium / 1080p
12−14
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 76% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
35−40
80−85
medium / 768p
21−24
50−55
high / 1080p
12−14
27−30
ultra / 1080p
8−9
16−18
4K / 2160p
7−8
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 123% more, than Maxwell GPU Surface Book 940M GDDR5.
low / 768p
90−95
90−95
medium / 768p
50−55
60−65
ultra / 1080p
24−27
40−45
high / 768p
40−45
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 18% more, than Maxwell GPU Surface Book 940M GDDR5.
Full Specs
Maxwell GPU Surface Book 940M GDDR5
Radeon R9 M390X
Architecture
Maxwell
GCN 3
Code name
Surface Book
Amethyst (XT) / Tonga
Type
Laptop
Laptop
Release date
1 October 2015
9 June 2015
Pipelines
384
2048
Core clock speed
954 MHz
723 MHz
Boost Clock
993 MHz
Transistor count
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
92.54
Floating-point performance
2,961 gflops
Memory bus width
64 Bit
256 Bit
Memory clock speed
5012 MHz
Memory bandwidth
160.0 GB/s
Shared memory
-
-
DirectX
DirectX 12 (FL 11_0), Shader 5.0
Shader Model
6.3
OpenGL
4.4
OpenCL
Not Listed
Vulkan
+
CUDA
+
FreeSync
+
Bus support
PCIe 3.0
Laptop size
large
Optimus
+
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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