Quadro K420 vs Radeon R9 M390

When choosing between Quadro K420 and Radeon R9 M390, 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 Quadro K420 and Radeon R9 M390.

Quadro K420 Check Price

Radeon R9 M390 Check Price

Radeon R9 M390 is a Laptop Graphics Card

Note: Radeon R9 M390 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 R9 M390 here:

Radeon R9 M390 Laptops

Main Specs

	Quadro K420	Radeon R9 M390
Power consumption (TDP)	41 Watt
Interface	PCIe 2.0 x16
Supplementary power connectors	None
Memory type	128 Bit	GDDR5
Maximum RAM amount	1 GB/2 GB	2 GB
Display Connectors	1x DVI, 1x DisplayPort
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Radeon R9 M390 has 1 GB more memory, than Quadro K420.
Quadro K420 is used in Desktops, and Radeon R9 M390 - in Laptops.
Quadro K420 is build with Kepler architecture, and Radeon R9 M390 - with GCN.
Quadro K420 and Radeon R9 M390 are manufactured by 28 nm process technology.

Game benchmarks


high / 1080p	0−1	18−20
ultra / 1080p	0−1	10−11
QHD / 1440p	0−1	5−6
4K / 2160p	−	4−5
low / 720p	9−10	35−40
medium / 1080p	1−2	21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 500% more, than Quadro K420.
high / 1080p	−	27−30
ultra / 1080p	1−2	24−27
QHD / 1440p	0−1	10−12
4K / 2160p	−	7−8
low / 720p	9−10	60−65
medium / 1080p	2−3	30−35
The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 900% more, than Quadro K420.
low / 768p	50−55	45−50
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Quadro K420 in Call of Duty: Warzone is 10% more, than Radeon R9 M390.
low / 768p	100−110	220−230
medium / 768p	75−80	190−200
ultra / 1080p	30−35	110−120
QHD / 1440p	−	65−70
4K / 2160p	9−10	35−40
high / 768p	50−55	150−160
The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 163% more, than Quadro K420.
low / 768p	70−75	55−60
ultra / 1080p	10−12	45−50
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 16% more, than Quadro K420.
low / 768p	65−70	110−120
medium / 768p	35−40	100−110
ultra / 1080p	14−16	70−75
The average gaming FPS of Radeon R9 M390 in Dota 2 is 142% more, than Quadro K420.
high / 1080p	1−2	21−24
ultra / 1080p	−	18−20
QHD / 1440p	−	16−18
4K / 2160p	0−1	7−8
low / 720p	7−8	45−50
medium / 1080p	2−3	21−24
The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 900% more, than Quadro K420.
high / 1080p	−	27−30
ultra / 1080p	−	21−24
QHD / 1440p	0−1	16−18
low / 720p	40−45	110−120
medium / 1080p	4−5	60−65
The average gaming FPS of Radeon R9 M390 in Fortnite is 282% more, than Quadro K420.
high / 1080p	1−2	30−33
ultra / 1080p	−	21−24
QHD / 1440p	0−1	12−14
4K / 2160p	−	10−12
low / 720p	10−12	60−65
medium / 1080p	3−4	30−35
The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 740% more, than Quadro K420.
low / 768p	35−40	95−100
medium / 768p	−	85−90
high / 1080p	1−2	35−40
ultra / 1080p	−	14−16
QHD / 1440p	0−1	5−6
medium / 720p	30−35	−
The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 252% more, than Quadro K420.
high / 1080p	0−1	10−12
ultra / 1080p	0−1	9−10
4K / 2160p	0−1	3−4
low / 720p	1−2	35−40
medium / 1080p	−	14−16
The average gaming FPS of Radeon R9 M390 in Metro Exodus is 3600% more, than Quadro K420.
low / 768p	85−90	110−120
high / 1080p	50−55	−
medium / 1080p	−	110−120
The average gaming FPS of Radeon R9 M390 in Minecraft is 32% more, than Quadro K420.
high / 1080p	14−16	24−27
ultra / 1080p	12−14	18−20
low / 720p	21−24	65−70
medium / 1080p	14−16	27−30
The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 118% more, than Quadro K420.
high / 1080p	−	14−16
ultra / 1080p	−	10−11
QHD / 1440p	0−1	0−1
low / 720p	2−3	30−35
medium / 1080p	−	18−20
The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 1500% more, than Quadro K420.
low / 768p	4−5	65−70
medium / 768p	−	40−45
high / 1080p	2−3	21−24
ultra / 1080p	−	12−14
4K / 2160p	0−1	9−10
The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 1400% more, than Quadro K420.
low / 768p	65−70	100−110
medium / 768p	30−35	65−70
ultra / 1080p	10−12	35−40
high / 768p	27−30	55−60
The average gaming FPS of Radeon R9 M390 in World of Tanks is 94% more, than Quadro K420.

Full Specs

	Quadro K420	Radeon R9 M390
Architecture	Kepler	GCN
Code name	GK107	Pitcairn
Type	Workstation	Laptop
Release date	22 July 2014	9 June 2015
Pipelines	192	1024
Core clock speed	876 MHz
Transistor count	1,270 million	5000 Million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	14.02
Floating-point performance	336.4 gflops
Length	160 mm
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz
Shared memory		-
DirectX	12
Shader Model	5
OpenGL	4.5	4.4
OpenCL	1.2	Not Listed
Vulkan	+
CUDA	3.0
FreeSync		+
Bus support		PCIe 3.0
Bitcoin / BTC (SHA256)	11 Mh/s	242 Mh/s
Laptop size		large
Eyefinity		+
HD3D		+
PowerTune		+
DualGraphics		+
ZeroCore		+
Switchable graphics		+
Mantle		+
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 R9 M390

Radeon R9 M390 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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