Quadro K620 vs Radeon R9 M390X
When comparing Quadro K620 and Radeon R9 M390X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Quadro K620 and Radeon R9 M390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
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:
Main Specs
Quadro K620
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
2 GB
4 GB
Display Connectors
1x DVI, 1x DisplayPort
No outputs
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Radeon R9 M390X has 143% more power consumption, than Quadro K620.
Quadro K620 is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
Radeon R9 M390X has 2 GB more memory, than Quadro K620.
Quadro K620 is used in Desktops, and Radeon R9 M390X - in Laptops.
Quadro K620 is build with Maxwell architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Quadro K620 is 335 MHz higher, than Radeon R9 M390X.
Quadro K620 and Radeon R9 M390X are manufactured by 28 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
10−12
21−24
ultra / 1080p
6−7
12−14
QHD / 1440p
1−2
8−9
4K / 2160p
−
5−6
low / 720p
24−27
40−45
medium / 1080p
14−16
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 109% more, than Quadro K620.
high / 1080p
18−20
35−40
ultra / 1080p
16−18
30−35
QHD / 1440p
2−3
14−16
4K / 2160p
−
9−10
low / 720p
40−45
70−75
medium / 1080p
20−22
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 100% more, than Quadro K620.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M390X in Call of Duty: Warzone is 10% more, than Quadro K620.
low / 768p
180−190
230−240
medium / 768p
150−160
210−220
ultra / 1080p
75−80
120−130
QHD / 1440p
45−50
100−110
4K / 2160p
30−33
55−60
high / 768p
110−120
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 50% more, than Quadro K620.
low / 768p
55−60
60−65
ultra / 1080p
30−35
55−60
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 31% more, than Quadro K620.
low / 768p
95−100
120−130
medium / 768p
80−85
110−120
ultra / 1080p
50−55
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 41% more, than Quadro K620.
high / 1080p
12−14
27−30
ultra / 1080p
12−14
24−27
QHD / 1440p
−
20−22
4K / 2160p
5−6
9−10
low / 720p
30−33
55−60
medium / 1080p
14−16
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 100% more, than Quadro K620.
high / 1080p
20−22
35−40
ultra / 1080p
14−16
27−30
QHD / 1440p
−
16−18
low / 720p
80−85
130−140
medium / 1080p
40−45
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 72% more, than Quadro K620.
high / 1080p
20−22
35−40
ultra / 1080p
16−18
27−30
QHD / 1440p
5−6
16−18
4K / 2160p
−
14−16
low / 720p
40−45
75−80
medium / 1080p
21−24
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 90% more, than Quadro K620.
low / 768p
70−75
110−120
medium / 768p
60−65
95−100
high / 1080p
21−24
45−50
ultra / 1080p
9−10
18−20
QHD / 1440p
0−1
9−10
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 68% more, than Quadro K620.
high / 1080p
7−8
14−16
ultra / 1080p
5−6
10−12
QHD / 1440p
−
10−12
4K / 2160p
1−2
3−4
low / 720p
21−24
40−45
medium / 1080p
10−11
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 100% more, than Quadro K620.
low / 768p
100−110
120−130
ultra / 1080p
95−100
−
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 14% more, than Quadro K620.
high / 1080p
20−22
−
ultra / 1080p
16−18
14−16
low / 720p
45−50
75−80
medium / 1080p
21−24
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than Quadro K620.
high / 1080p
12−14
16−18
ultra / 1080p
8−9
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
21−24
40−45
medium / 1080p
14−16
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 64% more, than Quadro K620.
low / 768p
40−45
80−85
medium / 768p
24−27
50−55
high / 1080p
14−16
27−30
ultra / 1080p
9−10
16−18
4K / 2160p
7−8
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 90% more, than Quadro K620.
low / 768p
95−100
90−95
medium / 768p
55−60
60−65
ultra / 1080p
27−30
40−45
high / 768p
45−50
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 10% more, than Quadro K620.
Full Specs
Quadro K620
Radeon R9 M390X
Architecture
Maxwell
GCN 3
Code name
GM107
Amethyst (XT) / Tonga
Type
Workstation
Laptop
Release date
22 July 2014
9 June 2015
Pipelines
384
2048
Core clock speed
1058 MHz
723 MHz
Boost Clock
1124 MHz
Transistor count
1,870 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
26.98
92.54
Floating-point performance
863.2 gflops
2,961 gflops
Length
160 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 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
5.0
FreeSync
+
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
104 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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