Quadro K420 vs Radeon RX 640

In this comparison between Quadro K420 and Radeon RX 640 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Quadro K420 will be the best choice, for others Radeon RX 640 will be their preference. Study the comparison tables below and make your choice.

Quadro K420 Check Price

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

	Quadro K420	Radeon RX 640
Power consumption (TDP)	41 Watt	50 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x8
Supplementary power connectors	None	None
Memory type	128 Bit	GDDR5
Maximum RAM amount	1 GB/2 GB	4 GB
Display Connectors	1x DVI, 1x DisplayPort	1x DVI, 1x HDMI, 1x DisplayPort
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Radeon RX 640 has 21% more power consumption, than Quadro K420.
Quadro K420 is connected by PCIe 2.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Radeon RX 640 has 3 GB more memory, than Quadro K420.
Quadro K420 is used in Desktops, and Radeon RX 640 - in Laptops.
Quadro K420 is build with Kepler architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 342 MHz higher, than Quadro K420.
Quadro K420 is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 4218 MHz higher, than Quadro K420.

Game benchmarks


high / 1080p	0−1	5−6
ultra / 1080p	0−1	3−4
QHD / 1440p	0−1	2−3
low / 720p	9−10	16−18
medium / 1080p	1−2	7−8
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 140% more, than Quadro K420.
high / 1080p	−	10−12
ultra / 1080p	1−2	8−9
QHD / 1440p	0−1	0−1
low / 720p	9−10	24−27
medium / 1080p	2−3	10−12
The average gaming FPS of Radeon RX 640 in Battlefield 5 is 275% more, than Quadro K420.
low / 768p	50−55	45−50
high / 1080p	45−50	40−45
QHD / 1440p	0−1	0−1
The average gaming FPS of Quadro K420 in Call of Duty: Warzone is 11% more, than Radeon RX 640.
low / 768p	100−110	130−140
medium / 768p	75−80	100−110
ultra / 1080p	30−35	50−55
QHD / 1440p	−	27−30
4K / 2160p	9−10	12−14
high / 768p	50−55	80−85
The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 40% more, than Quadro K420.
low / 768p	70−75	50−55
ultra / 1080p	10−12	18−20
medium / 1080p	45−50	45−50
The average gaming FPS of Quadro K420 in Cyberpunk 2077 is 10% more, than Radeon RX 640.
low / 768p	65−70	80−85
medium / 768p	35−40	55−60
ultra / 1080p	14−16	30−35
The average gaming FPS of Radeon RX 640 in Dota 2 is 42% more, than Quadro K420.
high / 1080p	1−2	7−8
ultra / 1080p	−	5−6
4K / 2160p	0−1	5−6
low / 720p	7−8	18−20
medium / 1080p	2−3	8−9
The average gaming FPS of Radeon RX 640 in Far Cry 5 is 266% more, than Quadro K420.
high / 1080p	−	7−8
ultra / 1080p	−	0−1
QHD / 1440p	0−1	0−1
low / 720p	40−45	60−65
medium / 1080p	4−5	18−20
The average gaming FPS of Radeon RX 640 in Fortnite is 73% more, than Quadro K420.
high / 1080p	1−2	10−11
QHD / 1440p	0−1	−
4K / 2160p	−	8−9
low / 720p	10−12	24−27
medium / 1080p	3−4	12−14
The average gaming FPS of Radeon RX 640 in Forza Horizon 4 is 220% more, than Quadro K420.
low / 768p	35−40	50−55
high / 1080p	1−2	10−12
ultra / 1080p	−	5−6
QHD / 1440p	0−1	−
medium / 720p	30−35	45−50
The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 60% more, than Quadro K420.
high / 1080p	0−1	3−4
ultra / 1080p	0−1	1−2
4K / 2160p	0−1	−
low / 720p	1−2	10−11
medium / 1080p	−	5−6
The average gaming FPS of Radeon RX 640 in Metro Exodus is 900% more, than Quadro K420.
low / 768p	85−90	90−95
high / 1080p	50−55	−
ultra / 1080p	−	80−85
The average gaming FPS of Radeon RX 640 in Minecraft is 5% more, than Quadro K420.
high / 1080p	14−16	6−7
ultra / 1080p	12−14	2−3
4K / 2160p	−	0−1
low / 720p	21−24	27−30
medium / 1080p	14−16	10−11
The average gaming FPS of Quadro K420 in PLAYERUNKNOWN'S BATTLEGROUNDS is 33% more, than Radeon RX 640.
QHD / 1440p	0−1	−
low / 720p	2−3	10−12
medium / 1080p	−	9−10
The average gaming FPS of Radeon RX 640 in Red Dead Redemption 2 is 450% more, than Quadro K420.
low / 768p	4−5	21−24
medium / 768p	−	14−16
high / 1080p	2−3	6−7
ultra / 1080p	−	4−5
4K / 2160p	0−1	3−4
The average gaming FPS of Radeon RX 640 in The Witcher 3: Wild Hunt is 366% more, than Quadro K420.
low / 768p	65−70	75−80
medium / 768p	30−35	40−45
ultra / 1080p	10−12	18−20
high / 768p	27−30	35−40
The average gaming FPS of Radeon RX 640 in World of Tanks is 29% more, than Quadro K420.

Full Specs

	Quadro K420	Radeon RX 640
Architecture	Kepler	Polaris
Code name	GK107	Polaris 12
Type	Workstation	Laptop
Release date	22 July 2014	12 August 2019
Pipelines	192	640
Core clock speed	876 MHz	1218 MHz
Boost Clock		1218 MHz
Transistor count	1,270 million	2,200 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	14.02	38.98
Floating-point performance	336.4 gflops
Length	160 mm
Memory bus width	128 Bit	64 Bit
Memory clock speed	1782 MHz	6000 MHz
Memory bandwidth		112.0 GB/s
Shared memory		-
DirectX	12	12 (12_0)
Shader Model	5	6.4
OpenGL	4.5	4.6
OpenCL	1.2	2.0
Vulkan	+	1.2.131
CUDA	3.0
FreeSync		+
Bitcoin / BTC (SHA256)	11 Mh/s
Laptop size		large
3D Vision Pro	+
Mosaic	+
Width	1" (2.5 cm)
Number of simultaneous displays	4
nView Desktop Management	+
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Quadro K420 vs Radeon RX 640

Radeon RX 640 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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