Radeon R9 M385X vs Radeon RX 640
When choosing between Radeon R9 M385X 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 Radeon R9 M385X and Radeon RX 640.
Radeon R9 M385X and Radeon RX 640 are Laptop Graphics Cards
Note: Radeon R9 M385X 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 Radeon R9 M385X or Radeon RX 640 here:
Main Specs
Radeon R9 M385X
Radeon RX 640
Power consumption (TDP)
50 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 M385X is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Radeon R9 M385X and Radeon RX 640 have maximum RAM of 4 GB.
Both cards are used in Laptops.
Radeon R9 M385X is build with GCN architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 118 MHz higher, than Radeon R9 M385X.
Radeon R9 M385X is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 4500 MHz higher, than Radeon R9 M385X.
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
18−20
16−18
medium / 1080p
10−11
7−8
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 25% 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
30−33
24−27
medium / 1080p
14−16
10−12
The average gaming FPS of Radeon R9 M385X in Battlefield 5 is 28% 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 Radeon R9 M385X in Call of Duty: Warzone is 4% more, than Radeon RX 640.
low / 768p
150−160
130−140
medium / 768p
120−130
100−110
ultra / 1080p
60−65
50−55
QHD / 1440p
35−40
27−30
4K / 2160p
27−30
12−14
high / 768p
90−95
80−85
The average gaming FPS of Radeon R9 M385X in Counter-Strike: Global Offensive is 20% more, than Radeon RX 640.
low / 768p
55−60
50−55
ultra / 1080p
21−24
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R9 M385X in Cyberpunk 2077 is 7% 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 Radeon R9 M385X 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
21−24
18−20
medium / 1080p
10−11
8−9
The average gaming FPS of Radeon R9 M385X in Far Cry 5 is 22% more, than Radeon RX 640.
high / 1080p
16−18
7−8
ultra / 1080p
12−14
0−1
QHD / 1440p
−
0−1
low / 720p
65−70
60−65
medium / 1080p
27−30
18−20
The average gaming FPS of Radeon R9 M385X in Fortnite is 27% more, than Radeon RX 640.
high / 1080p
14−16
10−11
ultra / 1080p
12−14
−
QHD / 1440p
2−3
−
4K / 2160p
−
8−9
low / 720p
30−35
24−27
medium / 1080p
16−18
12−14
The average gaming FPS of Radeon R9 M385X 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
7−8
5−6
QHD / 1440p
0−1
−
medium / 720p
−
45−50
The average gaming FPS of Radeon R9 M385X in Grand Theft Auto V is 26% more, than Radeon RX 640.
high / 1080p
5−6
3−4
ultra / 1080p
4−5
1−2
4K / 2160p
1−2
−
low / 720p
16−18
10−11
medium / 1080p
7−8
5−6
The average gaming FPS of Radeon R9 M385X in Metro Exodus is 60% 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 Radeon R9 M385X 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 Radeon R9 M385X in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than Radeon RX 640.
ultra / 1080p
8−9
−
QHD / 1440p
0−1
−
low / 720p
14−16
10−12
medium / 1080p
12−14
9−10
The average gaming FPS of Radeon R9 M385X in Red Dead Redemption 2 is 40% more, than Radeon RX 640.
low / 768p
30−35
21−24
medium / 768p
20−22
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 Radeon R9 M385X in The Witcher 3: Wild Hunt is 50% more, than Radeon RX 640.
low / 768p
90−95
75−80
medium / 768p
45−50
40−45
ultra / 1080p
21−24
18−20
high / 768p
40−45
35−40
The average gaming FPS of Radeon R9 M385X in World of Tanks is 15% more, than Radeon RX 640.
Full Specs
Radeon R9 M385X
Radeon RX 640
Architecture
GCN
Polaris
Code name
Strato-XT-M3
Polaris 12
Type
Laptop
Laptop
Release date
16 June 2015
12 August 2019
Pipelines
896
640
Core clock speed
1100 MHz
1218 MHz
Boost Clock
1100 MHz
1218 MHz
Transistor count
2,080 million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
61.60
38.98
Floating-point performance
1,971 gflops
Memory bus width
128 Bit
64 Bit
Memory clock speed
1500 MHz
6000 MHz
Memory bandwidth
76.8 GB/s
112.0 GB/s
Shared memory
-
-
DirectX
12 (12_0)
Shader Model
6.3
6.4
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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