Quadro K420 vs Radeon R9 M390X

Find out if it is worth upgrading your current GPU setup by comparing Quadro K420 and Radeon R9 M390X. 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 Quadro K420 and Radeon R9 M390X. 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.

Quadro K420 Check Price

Radeon R9 M390X Check Price

Radeon R9 M390X is a Laptop Graphics Card

Note: Radeon R9 M390X 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 M390X here:

Radeon R9 M390X Laptops

Main Specs

	Quadro K420	Radeon R9 M390X
Power consumption (TDP)	41 Watt	100 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
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	No outputs
	Check Price	Check Price

Radeon R9 M390X has 143% more power consumption, than Quadro K420.
Quadro K420 is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
Radeon R9 M390X has 3 GB more memory, than Quadro K420.
Quadro K420 is used in Desktops, and Radeon R9 M390X - in Laptops.
Quadro K420 is build with Kepler architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Quadro K420 is 153 MHz higher, than Radeon R9 M390X.
Quadro K420 and Radeon R9 M390X are manufactured by 28 nm process technology.

Game benchmarks


high / 1080p	0−1	21−24
ultra / 1080p	0−1	12−14
QHD / 1440p	0−1	8−9
4K / 2160p	−	5−6
low / 720p	9−10	40−45
medium / 1080p	1−2	27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 600% more, than Quadro K420.
high / 1080p	−	35−40
ultra / 1080p	1−2	30−35
QHD / 1440p	0−1	14−16
4K / 2160p	−	9−10
low / 720p	9−10	70−75
medium / 1080p	2−3	40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 1125% more, than Quadro K420.
low / 768p	50−55	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
Quadro K420 and Radeon R9 M390X have the same average FPS in Call of Duty: Warzone.
low / 768p	100−110	230−240
medium / 768p	75−80	210−220
ultra / 1080p	30−35	120−130
QHD / 1440p	−	100−110
4K / 2160p	9−10	55−60
high / 768p	50−55	170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 192% more, than Quadro K420.
low / 768p	70−75	60−65
ultra / 1080p	10−12	55−60
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 37% more, than Quadro K420.
low / 768p	65−70	120−130
medium / 768p	35−40	110−120
ultra / 1080p	14−16	85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 172% more, than Quadro K420.
high / 1080p	1−2	27−30
ultra / 1080p	−	24−27
QHD / 1440p	−	20−22
4K / 2160p	0−1	9−10
low / 720p	7−8	55−60
medium / 1080p	2−3	30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 1200% more, than Quadro K420.
high / 1080p	−	35−40
ultra / 1080p	−	27−30
QHD / 1440p	0−1	16−18
low / 720p	40−45	130−140
medium / 1080p	4−5	75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 360% more, than Quadro K420.
high / 1080p	1−2	35−40
ultra / 1080p	−	27−30
QHD / 1440p	0−1	16−18
4K / 2160p	−	14−16
low / 720p	10−12	75−80
medium / 1080p	3−4	40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 940% more, than Quadro K420.
low / 768p	35−40	110−120
medium / 768p	−	95−100
high / 1080p	1−2	45−50
ultra / 1080p	−	18−20
QHD / 1440p	0−1	9−10
medium / 720p	30−35	−
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 326% more, than Quadro K420.
high / 1080p	0−1	14−16
ultra / 1080p	0−1	10−12
QHD / 1440p	−	10−12
4K / 2160p	0−1	3−4
low / 720p	1−2	40−45
medium / 1080p	−	20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 4100% more, than Quadro K420.
low / 768p	85−90	120−130
high / 1080p	50−55	−
medium / 1080p	−	110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 43% more, than Quadro K420.
high / 1080p	14−16	−
ultra / 1080p	12−14	14−16
low / 720p	21−24	75−80
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 131% more, than Quadro K420.
high / 1080p	−	16−18
ultra / 1080p	−	10−12
QHD / 1440p	0−1	3−4
4K / 2160p	−	2−3
low / 720p	2−3	40−45
medium / 1080p	−	21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 2000% more, than Quadro K420.
low / 768p	4−5	80−85
medium / 768p	−	50−55
high / 1080p	2−3	27−30
ultra / 1080p	−	16−18
4K / 2160p	0−1	9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 1733% more, than Quadro K420.
low / 768p	65−70	90−95
medium / 768p	30−35	60−65
ultra / 1080p	10−12	40−45
high / 768p	27−30	55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 85% more, than Quadro K420.

Full Specs

	Quadro K420	Radeon R9 M390X
Architecture	Kepler	GCN 3
Code name	GK107	Amethyst (XT) / Tonga
Type	Workstation	Laptop
Release date	22 July 2014	9 June 2015
Pipelines	192	2048
Core clock speed	876 MHz	723 MHz
Transistor count	1,270 million	5,000 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	14.02	92.54
Floating-point performance	336.4 gflops	2,961 gflops
Length	160 mm
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz
Memory bandwidth		160.0 GB/s
Shared memory		-
DirectX	12
Shader Model	5	6.3
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
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	+
	Check Price	Check Price

Quadro K420 vs Radeon R9 M390X

Radeon R9 M390X is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

Similar compares