GeForce GTX 670MX vs Radeon RX 640
When choosing between GeForce GTX 670MX 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 GTX 670MX and Radeon RX 640.
GeForce GTX 670MX and Radeon RX 640 are Laptop Graphics Cards
Note: GeForce GTX 670MX 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 GTX 670MX or Radeon RX 640 here:
Main Specs
GeForce GTX 670MX
Radeon RX 640
Power consumption (TDP)
75 Watt
50 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 670MX has 50% more power consumption, than Radeon RX 640.
GeForce GTX 670MX is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Radeon RX 640 has 1 GB more memory, than GeForce GTX 670MX.
Both cards are used in Laptops.
GeForce GTX 670MX is build with Kepler architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 618 MHz higher, than GeForce GTX 670MX.
GeForce GTX 670MX is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 4600 MHz higher, than GeForce GTX 670MX.
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
8−9
5−6
ultra / 1080p
5−6
3−4
QHD / 1440p
0−1
2−3
low / 720p
20−22
16−18
medium / 1080p
10−12
7−8
The average gaming FPS of GeForce GTX 670MX in Assassin's Creed Odyssey is 37% more, than Radeon RX 640.
high / 1080p
14−16
10−12
ultra / 1080p
12−14
8−9
QHD / 1440p
0−1
0−1
low / 720p
30−35
24−27
medium / 1080p
16−18
10−12
The average gaming FPS of GeForce GTX 670MX in Battlefield 5 is 35% 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 GTX 670MX in Call of Duty: Warzone is 4% more, than Radeon RX 640.
low / 768p
150−160
130−140
medium / 768p
130−140
100−110
ultra / 1080p
65−70
50−55
QHD / 1440p
35−40
27−30
4K / 2160p
27−30
12−14
high / 768p
95−100
80−85
The average gaming FPS of GeForce GTX 670MX in Counter-Strike: Global Offensive is 24% more, than Radeon RX 640.
low / 768p
55−60
50−55
ultra / 1080p
24−27
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GTX 670MX in Cyberpunk 2077 is 10% more, than Radeon RX 640.
low / 768p
85−90
80−85
medium / 768p
65−70
55−60
ultra / 1080p
40−45
30−35
The average gaming FPS of GeForce GTX 670MX in Dota 2 is 14% more, than Radeon RX 640.
high / 1080p
10−11
7−8
ultra / 1080p
9−10
5−6
4K / 2160p
4−5
5−6
low / 720p
24−27
18−20
medium / 1080p
10−12
8−9
The average gaming FPS of GeForce GTX 670MX in Far Cry 5 is 33% more, than Radeon RX 640.
high / 1080p
16−18
7−8
ultra / 1080p
12−14
0−1
QHD / 1440p
−
0−1
low / 720p
70−75
60−65
medium / 1080p
30−33
18−20
The average gaming FPS of GeForce GTX 670MX in Fortnite is 37% more, than Radeon RX 640.
high / 1080p
14−16
10−11
ultra / 1080p
12−14
−
QHD / 1440p
3−4
−
4K / 2160p
−
8−9
low / 720p
30−35
24−27
medium / 1080p
16−18
12−14
The average gaming FPS of GeForce GTX 670MX in Forza Horizon 4 is 31% more, than Radeon RX 640.
low / 768p
60−65
50−55
medium / 768p
50−55
−
high / 1080p
16−18
10−12
ultra / 1080p
8−9
5−6
QHD / 1440p
0−1
−
medium / 720p
−
45−50
The average gaming FPS of GeForce GTX 670MX in Grand Theft Auto V is 26% more, than Radeon RX 640.
high / 1080p
6−7
3−4
ultra / 1080p
4−5
1−2
4K / 2160p
1−2
−
low / 720p
16−18
10−11
medium / 1080p
8−9
5−6
The average gaming FPS of GeForce GTX 670MX in Metro Exodus is 80% more, than Radeon RX 640.
low / 768p
95−100
90−95
high / 1080p
95−100
−
ultra / 1080p
85−90
80−85
medium / 1080p
95−100
−
The average gaming FPS of GeForce GTX 670MX in Minecraft is 5% more, than Radeon RX 640.
high / 1080p
18−20
6−7
ultra / 1080p
14−16
2−3
4K / 2160p
−
0−1
low / 720p
35−40
27−30
medium / 1080p
18−20
10−11
The average gaming FPS of GeForce GTX 670MX in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than Radeon RX 640.
high / 1080p
12−14
−
ultra / 1080p
8−9
−
QHD / 1440p
0−1
−
low / 720p
16−18
10−12
medium / 1080p
12−14
9−10
The average gaming FPS of GeForce GTX 670MX in Red Dead Redemption 2 is 50% more, than Radeon RX 640.
low / 768p
30−35
21−24
medium / 768p
21−24
14−16
high / 1080p
10−12
6−7
ultra / 1080p
7−8
4−5
4K / 2160p
6−7
3−4
The average gaming FPS of GeForce GTX 670MX in The Witcher 3: Wild Hunt is 60% more, than Radeon RX 640.
low / 768p
90−95
75−80
medium / 768p
50−55
40−45
ultra / 1080p
24−27
18−20
high / 768p
40−45
35−40
The average gaming FPS of GeForce GTX 670MX in World of Tanks is 20% more, than Radeon RX 640.
Full Specs
GeForce GTX 670MX
Radeon RX 640
Architecture
Kepler
Polaris
Code name
N13E-GR
Polaris 12
Type
Laptop
Laptop
Release date
1 October 2012
12 August 2019
Pipelines
960
640
Core clock speed
600 MHz
1218 MHz
Boost Clock
1218 MHz
Transistor count
3,540 million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
48.0 billion/sec
38.98
Floating-point performance
1,154 gflops
Memory bus width
192 Bit
64 Bit
Memory clock speed
1400 MHz
6000 MHz
Memory bandwidth
67.2 GB/s
112.0 GB/s
Shared memory
-
-
DirectX
12 API
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.5
4.6
OpenCL
1.1
2.0
Vulkan
1.1.126
1.2.131
CUDA
+
FreeSync
+
CUDA cores
960
Bus support
PCI Express 2.0
SLI options
+
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Laptop size
large
large
Optimus
+
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