Radeon R7 384 Cores Kaveri vs Radeon RX 640

When choosing between Radeon R7 384 Cores Kaveri 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 R7 384 Cores Kaveri and Radeon RX 640.

Radeon R7 384 Cores Kaveri

Radeon RX 640 Check Price

Radeon RX 640 is a Laptop Graphics Card

Note: Radeon RX 640 is only used in laptop graphics. It has 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 RX 640 here:

Radeon RX 640 Laptops

Main Specs

	Radeon R7 384 Cores Kaveri	Radeon RX 640
Power consumption (TDP)		50 Watt
Interface		PCIe 3.0 x8
Supplementary power connectors		None
Memory type		GDDR5
Maximum RAM amount		4 GB
Display Connectors		1x DVI, 1x HDMI, 1x DisplayPort
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Radeon R7 384 Cores Kaveri is used in Desktops, and Radeon RX 640 - in Laptops.
Radeon R7 384 Cores Kaveri is build with GCN architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 498 MHz higher, than Radeon R7 384 Cores Kaveri.
Radeon R7 384 Cores Kaveri is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.

Game benchmarks


high / 1080p	7−8	5−6
ultra / 1080p	4−5	3−4
QHD / 1440p	0−1	2−3
low / 720p	18−20	16−18
medium / 1080p	9−10	7−8
The average gaming FPS of Radeon R7 384 Cores Kaveri in Assassin's Creed Odyssey is 25% more, than Radeon RX 640.
high / 1080p	12−14	10−12
ultra / 1080p	10−12	8−9
QHD / 1440p	0−1	0−1
low / 720p	27−30	24−27
medium / 1080p	14−16	10−12
The average gaming FPS of Radeon R7 384 Cores Kaveri in Battlefield 5 is 14% 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 R7 384 Cores Kaveri 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	30−35	27−30
4K / 2160p	27−30	12−14
high / 768p	85−90	80−85
The average gaming FPS of Radeon R7 384 Cores Kaveri in Counter-Strike: Global Offensive is 11% 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 R7 384 Cores Kaveri in Cyberpunk 2077 is 7% more, than Radeon RX 640.
low / 768p	85−90	80−85
medium / 768p	60−65	55−60
ultra / 1080p	35−40	30−35
The average gaming FPS of Radeon R7 384 Cores Kaveri in Dota 2 is 8% more, than Radeon RX 640.
high / 1080p	9−10	7−8
ultra / 1080p	8−9	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 R7 384 Cores Kaveri in Far Cry 5 is 22% more, than Radeon RX 640.
high / 1080p	16−18	7−8
ultra / 1080p	10−12	0−1
QHD / 1440p	−	0−1
low / 720p	65−70	60−65
medium / 1080p	24−27	18−20
The average gaming FPS of Radeon R7 384 Cores Kaveri in Fortnite is 24% more, than Radeon RX 640.
high / 1080p	12−14	10−11
ultra / 1080p	12−14	−
QHD / 1440p	2−3	−
4K / 2160p	−	8−9
low / 720p	27−30	24−27
medium / 1080p	14−16	12−14
The average gaming FPS of Radeon R7 384 Cores Kaveri in Forza Horizon 4 is 12% more, than Radeon RX 640.
low / 768p	55−60	50−55
medium / 768p	45−50	−
high / 1080p	14−16	10−12
ultra / 1080p	7−8	5−6
QHD / 1440p	0−1	−
medium / 720p	−	45−50
The average gaming FPS of Radeon R7 384 Cores Kaveri in Grand Theft Auto V is 13% more, than Radeon RX 640.
high / 1080p	5−6	3−4
ultra / 1080p	3−4	1−2
4K / 2160p	0−1	−
low / 720p	14−16	10−11
medium / 1080p	7−8	5−6
The average gaming FPS of Radeon R7 384 Cores Kaveri 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	95−100	−
The average gaming FPS of Radeon R7 384 Cores Kaveri 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	35−40	27−30
medium / 1080p	18−20	10−11
The average gaming FPS of Radeon R7 384 Cores Kaveri 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	10−12	9−10
The average gaming FPS of Radeon R7 384 Cores Kaveri in Red Dead Redemption 2 is 30% more, than Radeon RX 640.
low / 768p	27−30	21−24
medium / 768p	18−20	14−16
high / 1080p	10−11	6−7
ultra / 1080p	7−8	4−5
4K / 2160p	6−7	3−4
The average gaming FPS of Radeon R7 384 Cores Kaveri in The Witcher 3: Wild Hunt is 40% more, than Radeon RX 640.
low / 768p	85−90	75−80
medium / 768p	45−50	40−45
ultra / 1080p	21−24	18−20
high / 768p	35−40	35−40
The average gaming FPS of Radeon R7 384 Cores Kaveri in World of Tanks is 9% more, than Radeon RX 640.

Full Specs

	Radeon R7 384 Cores Kaveri	Radeon RX 640
Architecture	GCN	Polaris
Code name	Kaveri Spectre	Polaris 12
Type	Desktop	Laptop
Release date	14 January 2014	12 August 2019
Pipelines	384	640
Core clock speed	720 MHz	1218 MHz
Boost Clock		1218 MHz
Transistor count		2,200 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate		38.98
Memory bus width		64 Bit
Memory clock speed		6000 MHz
Memory bandwidth		112.0 GB/s
Shared memory	+	-
DirectX	DirectX 12 (FL 12_0), Shader 5.2	12 (12_0)
Shader Model		6.4
OpenGL		4.6
OpenCL		2.0
Vulkan		1.2.131
FreeSync		+
Laptop size		large
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Radeon R7 384 Cores Kaveri vs Radeon RX 640

Radeon RX 640 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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