Radeon R8 M445DX vs Radeon RX 640

Find out if it is worth upgrading your current GPU setup by comparing Radeon R8 M445DX and Radeon RX 640. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon R8 M445DX and Radeon RX 640. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon R8 M445DX Check Price

Radeon RX 640 Check Price

Radeon R8 M445DX and Radeon RX 640 are Laptop Graphics Cards

Note: Radeon R8 M445DX 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 R8 M445DX or Radeon RX 640 here:

Radeon R8 M445DX Laptops

Radeon RX 640 Laptops

Main Specs

	Radeon R8 M445DX	Radeon RX 640
Power consumption (TDP)		50 Watt
Interface	IGP	PCIe 3.0 x8
Supplementary power connectors		None
Memory type	DDR4/DDR3	GDDR5
Maximum RAM amount		4 GB
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x DisplayPort
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Radeon R8 M445DX is connected by IGP, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Both cards are used in Laptops.
Radeon R8 M445DX is build with GCN architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 498 MHz higher, than Radeon R8 M445DX.
Radeon R8 M445DX is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 5067 MHz higher, than Radeon R8 M445DX.

Game benchmarks


high / 1080p	0−1	5−6
ultra / 1080p	−	3−4
QHD / 1440p	0−1	2−3
low / 720p	1−2	16−18
medium / 1080p	0−1	7−8
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 1600% more, than Radeon R8 M445DX.
high / 1080p	−	10−12
ultra / 1080p	−	8−9
QHD / 1440p	0−1	0−1
low / 720p	0−1	24−27
medium / 1080p	−	10−12
low / 768p	50−55	45−50
high / 1080p	45−50	40−45
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon R8 M445DX in Call of Duty: Warzone is 11% more, than Radeon RX 640.
low / 768p	60−65	130−140
medium / 768p	27−30	100−110
ultra / 1080p	7−8	50−55
QHD / 1440p	−	27−30
4K / 2160p	−	12−14
high / 768p	16−18	80−85
The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 232% more, than Radeon R8 M445DX.
low / 768p	70−75	50−55
ultra / 1080p	0−1	18−20
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon R8 M445DX in Cyberpunk 2077 is 20% more, than Radeon RX 640.
low / 768p	45−50	80−85
medium / 768p	10−11	55−60
ultra / 1080p	0−1	30−35
The average gaming FPS of Radeon RX 640 in Dota 2 is 141% more, than Radeon R8 M445DX.
high / 1080p	−	7−8
ultra / 1080p	−	5−6
4K / 2160p	−	5−6
low / 720p	0−1	18−20
medium / 1080p	−	8−9
high / 1080p	−	7−8
ultra / 1080p	−	0−1
QHD / 1440p	−	0−1
low / 720p	21−24	60−65
medium / 1080p	0−1	18−20
The average gaming FPS of Radeon RX 640 in Fortnite is 181% more, than Radeon R8 M445DX.
high / 1080p	0−1	10−11
QHD / 1440p	0−1	−
4K / 2160p	−	8−9
low / 720p	0−1	24−27
medium / 1080p	0−1	12−14
low / 768p	18−20	50−55
high / 1080p	0−1	10−12
ultra / 1080p	−	5−6
QHD / 1440p	0−1	−
medium / 720p	12−14	45−50
The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 212% more, than Radeon R8 M445DX.
high / 1080p	−	3−4
ultra / 1080p	−	1−2
low / 720p	0−1	10−11
medium / 1080p	−	5−6
low / 768p	75−80	90−95
high / 1080p	27−30	−
ultra / 1080p	−	80−85
The average gaming FPS of Radeon RX 640 in Minecraft is 19% more, than Radeon R8 M445DX.
high / 1080p	−	6−7
ultra / 1080p	−	2−3
4K / 2160p	−	0−1
low / 720p	8−9	27−30
medium / 1080p	−	10−11
The average gaming FPS of Radeon RX 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 250% more, than Radeon R8 M445DX.
low / 720p	0−1	10−12
medium / 1080p	−	9−10
low / 768p	0−1	21−24
medium / 768p	−	14−16
high / 1080p	−	6−7
ultra / 1080p	−	4−5
4K / 2160p	−	3−4
low / 768p	45−50	75−80
medium / 768p	14−16	40−45
ultra / 1080p	0−1	18−20
high / 768p	12−14	35−40
The average gaming FPS of Radeon RX 640 in World of Tanks is 108% more, than Radeon R8 M445DX.

Full Specs

	Radeon R8 M445DX	Radeon RX 640
Architecture	GCN	Polaris
Code name	Meso	Polaris 12
Type	Laptop	Laptop
Release date	1 June 2016	12 August 2019
Pipelines	704	640
Core clock speed	720 / 1020 MHz	1218 MHz
Boost Clock	1021 MHz	1218 MHz
Transistor count	1,550 million	2,200 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	20.42	38.98
Memory bus width	128 + 64 Bit	64 Bit
Memory clock speed	933 / 1000 MHz	6000 MHz
Memory bandwidth		112.0 GB/s
Shared memory	-	-
DirectX	12 (12_0)	12 (12_0)
Shader Model	6.0	6.4
OpenGL	4.6	4.6
OpenCL	2.0	2.0
Vulkan	1.2.131	1.2.131
FreeSync		+
Laptop size	medium sized	large
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Radeon R8 M445DX vs Radeon RX 640

Radeon R8 M445DX and Radeon RX 640 are Laptop Graphics Cards

Main Specs

Game benchmarks

Full Specs

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