GeForce 940MX vs Radeon RX 640
When choosing between GeForce 940MX and Radeon RX 640, 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 GeForce 940MX and Radeon RX 640.
GeForce 940MX and Radeon RX 640 are Laptop Graphics Cards
Note: GeForce 940MX and Radeon RX 640 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 940MX or Radeon RX 640 here:
Main Specs
GeForce 940MX
Radeon RX 640
Power consumption (TDP)
23 Watt
50 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon RX 640 has 117% more power consumption, than GeForce 940MX.
Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
GeForce 940MX and Radeon RX 640 have maximum RAM of 4 GB.
Both cards are used in Laptops.
GeForce 940MX is build with Maxwell architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 96 MHz higher, than GeForce 940MX.
GeForce 940MX is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 2000 MHz higher, than GeForce 940MX.
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
7−8
5−6
ultra / 1080p
4−5
3−4
QHD / 1440p
0−1
2−3
low / 720p
16−18
16−18
medium / 1080p
8−9
7−8
The average gaming FPS of GeForce 940MX in Assassin's Creed Odyssey is 12% more, than Radeon RX 640.
high / 1080p
12−14
10−12
ultra / 1080p
10−11
8−9
QHD / 1440p
0−1
0−1
low / 720p
24−27
24−27
medium / 1080p
12−14
10−12
The average gaming FPS of GeForce 940MX in Battlefield 5 is 7% more, than Radeon RX 640.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce 940MX in Call of Duty: Warzone is 4% more, than Radeon RX 640.
low / 768p
140−150
130−140
medium / 768p
110−120
100−110
ultra / 1080p
55−60
50−55
QHD / 1440p
30−33
27−30
4K / 2160p
27−30
12−14
high / 768p
80−85
80−85
The average gaming FPS of GeForce 940MX in Counter-Strike: Global Offensive is 10% more, than Radeon RX 640.
low / 768p
55−60
50−55
ultra / 1080p
20−22
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce 940MX in Cyberpunk 2077 is 7% more, than Radeon RX 640.
low / 768p
80−85
80−85
medium / 768p
60−65
55−60
ultra / 1080p
35−40
30−35
The average gaming FPS of GeForce 940MX in Dota 2 is 5% more, than Radeon RX 640.
high / 1080p
8−9
7−8
ultra / 1080p
8−9
5−6
4K / 2160p
3−4
5−6
low / 720p
18−20
18−20
medium / 1080p
9−10
8−9
GeForce 940MX and Radeon RX 640 have the same average FPS in Far Cry 5.
high / 1080p
14−16
7−8
ultra / 1080p
10−11
0−1
QHD / 1440p
−
0−1
low / 720p
60−65
60−65
medium / 1080p
24−27
18−20
The average gaming FPS of GeForce 940MX in Fortnite is 17% more, than Radeon RX 640.
high / 1080p
12−14
10−11
ultra / 1080p
10−12
−
QHD / 1440p
1−2
−
4K / 2160p
−
8−9
low / 720p
27−30
24−27
medium / 1080p
14−16
12−14
The average gaming FPS of GeForce 940MX in Forza Horizon 4 is 12% more, than Radeon RX 640.
low / 768p
50−55
50−55
medium / 768p
45−50
−
high / 1080p
12−14
10−12
ultra / 1080p
6−7
5−6
QHD / 1440p
0−1
−
medium / 720p
−
45−50
The average gaming FPS of GeForce 940MX in Grand Theft Auto V is 4% more, than Radeon RX 640.
high / 1080p
5−6
3−4
ultra / 1080p
3−4
1−2
4K / 2160p
0−1
−
low / 720p
12−14
10−11
medium / 1080p
6−7
5−6
The average gaming FPS of GeForce 940MX in Metro Exodus is 40% more, than Radeon RX 640.
low / 768p
95−100
90−95
high / 1080p
90−95
−
ultra / 1080p
80−85
80−85
medium / 1080p
90−95
−
The average gaming FPS of GeForce 940MX in Minecraft is 3% more, than Radeon RX 640.
high / 1080p
16−18
6−7
ultra / 1080p
14−16
2−3
4K / 2160p
−
0−1
low / 720p
30−35
27−30
medium / 1080p
18−20
10−11
The average gaming FPS of GeForce 940MX in PLAYERUNKNOWN'S BATTLEGROUNDS is 66% more, than Radeon RX 640.
ultra / 1080p
7−8
−
QHD / 1440p
0−1
−
low / 720p
12−14
10−12
medium / 1080p
10−12
9−10
The average gaming FPS of GeForce 940MX in Red Dead Redemption 2 is 20% more, than Radeon RX 640.
low / 768p
24−27
21−24
medium / 768p
16−18
14−16
high / 1080p
9−10
6−7
ultra / 1080p
6−7
4−5
4K / 2160p
6−7
3−4
The average gaming FPS of GeForce 940MX in The Witcher 3: Wild Hunt is 30% more, than Radeon RX 640.
low / 768p
85−90
75−80
medium / 768p
45−50
40−45
ultra / 1080p
20−22
18−20
high / 768p
35−40
35−40
The average gaming FPS of GeForce 940MX in World of Tanks is 9% more, than Radeon RX 640.
Full Specs
GeForce 940MX
Radeon RX 640
Architecture
Maxwell
Polaris
Code name
N16S-GTR-B/S
Polaris 12
Type
Laptop
Laptop
Release date
10 March 2016
12 August 2019
Pipelines
384
640
Core clock speed
1122 MHz
1218 MHz
Boost Clock
1242 MHz
1218 MHz
Transistor count
1,870 million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
23.83
38.98
Floating-point performance
762.6 gflops
Memory bus width
64 Bit
64 Bit
Memory clock speed
4000 MHz
6000 MHz
Memory bandwidth
40.1 GB/s
112.0 GB/s
Shared memory
-
-
DirectX
12 (11_0)
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.5
4.6
OpenCL
1.2
2.0
Vulkan
1.1
1.2.131
CUDA
+
FreeSync
+
Bus support
PCI Express 3.0
Bitcoin / BTC (SHA256)
102 Mh/s
Laptop size
medium sized
large
Optimus
+
GPU Boost
2.0
GameWorks
+
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