Compare Samsung Galaxy A51 VS Xiaomi Redmi K30 4G

Xiaom Redmi K30 4G is equipped with Snapdragon 730G SoC, 6 GB + 64 GB or 6 GB + 128 GB or 8 GB + 128 GB or 8 GB + 256 GB, 6.67" Super AMOLED display with a 120 Hz screen refreshment, 4500 mAh battery with 27W fast charging, quad rear camera with 64 MP main sensor + 8 MP ultra-wide + 2 MP depth-sensing and 2 MP macro, 20 MP + 2 MP (depth-sensing) dual front camera, and 230 $ start price on launch.

While Samsung Galaxy A51 features with Exynos 7 Octa 9611 SoC, 4 GB + 64 GB or 6 GB + 128 GB or 8 GB + 128 GB, 6.5" Super AMOLED display, 4000 mAh battery with 15 W fast charging, 48/12/5/5 MP quad rear camera and 32 MP front camera.

Here’s an in-depth specifications comparison between Xiaomi Redmi K30 4G and Samsung Galaxy A51.

Jump to:

1. Operating System  Comparison
2. System  on  Chip (SOC)  Comparison
3. RAM Comparison
4. Storage  Comparison
5. Display Comparison
6. Launch Date Comparison
7. Price  Comparison
8. Sensors  Comparison
9. Rear Camera Comparison
10. Front Camera Comparison
11. Tracking /  Positioning  Comparison
12. Wi-Fi  Comparison
13. Bluetooth  Comparison
14. USB Comparison
15. Connectivity  Comparison
16. Audio File Formats /  Codecs Comparison
17. Video File Formats /  Codecs Comparison
18. Battery  Comparison
19. Design  Comparison 
20. SIM Card  Comparison
21. Networks  Comparison
22. Mobile Network Technology and Bandwidth Comparison

Samsung Galaxy A51	Xiaomi Redmi K30 4G
Brand and Model	Brand and Model
Brand	Brand
Samsung	Xiaomi
Model	Model
Galaxy A51	Redmi K30 4G
Model Alias	Model Alias
	M1912G7BE
	M1912G7BC
Galaxy A51 Operating System	Redmi K30 4G Operating System (OS)
Android 10	MIUI 11 (Android 10)
User Interface (UI)	User Interface (UI)
One UI 2.0
Galaxy A51 System on  Chip (SOC)	Redmi K30 4G System on  Chip (SOC)
SOC	SOC
Samsung Exynos 7 Octa 9611	Qualcomm Snapdragon 730G
Process Technology	Process Technology
10 nm	8 nm
CPU	CPU
4x 2.3 GHz ARM Cortex-A73	2x 2.2 GHz Kryo 470
4x 1.7 GHz ARM Cortex-A53	6x 1.8 Ghz Kryo 470
CPU Bits	CPU Bits
64 bits	64 bits
Instruction Set	Instruction Set
ARMv8-A	ARMv8
CPU Frequency	CPU Frequency
2300 MHz	2200 MHz
CPU Cores	CPU Cores
8	8
GPU	GPU
ARM Mali-G72 MP3	Qualcomm Adreno 618
GPU Cores	GPU Cores
3
Galaxy A51 RAM Capacity	Redmi K30 4G RAM Capacity
4 GB
6 GB	6 GB
8 GB	8 GB
RAM Type	RAM Type
LPDDR4X	LPDDR4X
RAM Channels	RAM Channels
Double channel	Double channel
RAM Frequency	RAM Frequency
	1866 MHz
Other Features	Other Features
	Game Turbo 2.0
	MI Turbo
Galaxy A51 Storage	Redmi K30 4G Storage
64 GB	64 GB
128 GB	128 GB
	256 GB
	UFS 2.1
Galaxy A51 Memory Cards	Redmi K30 4G Memory Cards
microSD	microSD
microSDHC	microSDHC
microSDXC	microSDXC
Galaxy A51 Display	Redmi K30 4G Display
Type / Technology	Type / Technology
Super AMOLED	IPS
Diagonal Size	Diagonal Size
6.5 in	6.67 in
165.1 mm	169.42 mm
16.51 cm	16.91 cm
Width	Width
2.72 in	2.74 in
69.19 mm	69.52 mm
6.92 cm	6.95 cm
Height	Height
5.9 in	6.08 in
149.9 mm	154.5 mm
14.99 cm	15.45 cm
Aspect Ratio	Aspect Ratio
2.167:1	2.222:1
Resolution	Resolution
1080 x 2340 pixels	1080 x 2400 pixels
Pixel Density	Pixel Density
396 ppi	395 ppi
155 ppcm	155 ppcm
Color Depth	Color Depth
24 bits	24 bits
16777216 colors	16777216 colors
Display Area	Display Area
89.19 %	85.1 %
Other Features	Other Features
Capacitive	Capacitive
Multi-touch	Multi-touch
Scratch resistant	Scratch resistant
	Corning Gorilla Glass 5
	2.5D curved glass screen
	Oleophobic coating
	120Hz sampling rate
	HDR10
	TUV Rheinland Low Light Blue Certification
Galaxy A51 Sensors	Redmi K30 4G Sensors
Proximity	Proximity
Light	Light
Accelerometer	Accelerometer
Compass	Compass
Gyroscope	Gyroscope
Fingerprint	Fingerprint
	Gravity
	Pedometer
In-display fingerprint sensor	Side-mounted fingerprint sensor
	Geomagnetic
Galaxy A51 Rear Camera	Redmi K30 4G Rear Camera
Sensor Model	Sensor Model
Samsung S5KGM2	Sony IMX686
Sensor type	Sensor type
ISOCELL	CMOS BSI
Sensor Format	ISO
1/2.25”
Aperture	Aperture
f/2	f/1.7
Flash Type	Flash Type
LED	Dual LED
Image Resolution	Image Resolution
8000 x 6000 pixels	9248 x 6944 pixels
48 MP	64.22 MP
Video resolution	Video resolution
1920 x 1080 pixels	3840 x 2160 pixels
2.07 MP	8.29 MP
Video FPS	Video FPS
30 fps	30 fps
Features	Features
Autofocus	Autofocus
Continuous shooting	Continuous shooting
Digital zoom	Digital zoom
	Continuous autofocus
	Optical image stabilization
Digital image stabilization	Digital image stabilization
Geotagging	Geo tagging
Panorama	Panorama
HDR	HDR
Touch focus	Touch focus
Face detection	Face detection
White balance setting	White balance setting
ISO setting	ISO setting
Exposure compensation	Exposure compensation
Self-timer	Self-timer
Scene mode
Sensor size-1/2.25”	Sensor size- 1/1.7”
Pixel size- 1.6 um (4-in-1 pixel binning)	Pixel size-1.6 um (4-in-1 pixel binning)
Sensor type- ISOCELL Plus
Super Phase Detection	Phase Detection
6-element lens
PDAF	Pixel size- 0.8 um
	Angle of view- 79 degree
	10x digital zoom
	1080p @ 120 fps
	720p @ 960 fps
Secondary rear camera - 12 MP (ultra-wide)	Secondary rear camera- 8 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)	Aperture size- f/2.2 (#2)
Pixel size- 1.12 um (#2)	Pixel size- 1.12 um (#2)
	Angle of view- 120 degree (#2)
Third rear camera - 5 MP (depth-sensing)	Third rear camera- 2 MP (depth-sensing)
Aperture size - f/1.12 (#3)	Aperture size- f/2.4 (#3)
	Pixel size- 1.75 um (#3)
Fourth Rear Camera- 5 MP (Macro)	Fourth rear camera- 2 MP (macro)
	Pixel size- 1.75 um (#4)
Aperture size- f/2.4 (#4)	Aperture size- f/2.4 (#4)
Galaxy A51 Front Camera	Redmi K30 4G Front Camera
Sensor Model	Sensor Model
Samsung S5KGD1
Sensor Type	Sensor Type
ISOCELL
Aperture	Aperture
f/2.2
Image Resolution	Image Resolution
6560 x 4928 pixels	5963 x 3354 pixels
32.33 MP	20 MP
Video Resolution	Video Resolution
1920 x 1080 pixels	1920 x 1080 pixels
2.07 MP	2.07 MP
Video FPS	Video FPS
30 fps	30 fps
Features	Features
Sensor size-1/2.8”
Pixel size- 0.8 um
Sensor type- ISOCELL	Pixel size- 0.8 um
Face unlock	Angle of view- 78 degree
	Secondary front camera- 2 MP (depth-sensing)
	Pixel size- 1.75 um (#2)
	Angle of view- 83 degree (#2)
	Aperture size- f/2.4 (#2)
Galaxy A51 Audio	Redmi K30 4G Audio
Loudspeaker	Loudspeaker
Earpiece	Earpiece
	Hi-Res Audio
	Smart PA
	1217 super linear speaker
Galaxy A51 Radio	Redmi K30 4G Radio
Yes	Yes
Galaxy A51 Tracking /  Positioning	Redmi K30 4G Tracking /  Positioning
GPS	GPS
A-GPS	A-GPS
GLONASS	GLONASS
BeiDou	BeiDou
Galileo	Galileo
Galaxy A51 Wi-Fi	Redmi K30 4G Wi-Fi
802.11a (IEEE 802.11a-1999)	802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)	802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-1999)	802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2003)	802.11n (IEEE 802.11n-2009)
802.11n 5GHz	802.11n 5GHz
802.11ac (IEEE 802.11ac)	802.11ac (IEEE 802.11ac)
Dual band	Dual band
Wi-Fi Hotspot	Wi-Fi Hotspot
Wi-Fi Direct	Wi-Fi Direct
Wi-Fi Display	Wi-Fi Display
Galaxy A51 Bluetooth	Redmi K30 4G Bluetooth
Version	Version
5.0	5.0
Features	Features
A2DP	A2DP
AVRCP
DIP
HFP
HID
HSP
	LE
MAP
OPP
PAN
PBAP/PAB
HOGP
Galaxy A51 USB	Redmi K30 4G USB
Connector Type	Connector Type
USB Type-C	USB Type-C
Version	Version
2.0	2.0
Features	Features
Charging	Charging
Mass Storage	Mass Storage
On-The-Go	On-The-Go
Galaxy A51 Headphone Jack	Redmi K30 4G Headphone Jack
Yes	Yes
Galaxy A51 Connectivity	Redmi K30 4G Connectivity
Computer sync	Computer sync
OTA sync
Tethering	Tethering
	NFC
VoLTE	VoLTE
ANT+
Galaxy A51 Browser	Redmi K30 4G Browser
HTML	HTML
HTML5	HTML5
CSS 3	CSS 3
Galaxy A51 Audio File Formats /  Codecs	Redmi K30 4G Audio File Formats /  Codecs
AAC	AAC
	AAC+ / aacPlus / HE-AAC v1
AMR / AMR-NB / GSM-AMR	AMR / AMR-NB / GSM-AMR
AMR-WB	AMR-WB
	aptX / apt-X
	aptX HD / apt-X HD / aptX lossless
eAAC+ / aacPlus v2 / HE-AAC v2	eAAC+ / aacPlus v2 / HE-AAC v2
FLAC	FLAC
M4A
MIDI	MIDI
	MP3
OGG	OGG
WMA	WMA
WAV	WAV
Galaxy A51 Video File Formats /  Codecs	Redmi K30 4G Video File Formats /  Codecs
3GPP	3GPP
3GPP2
AVI	AVI
DivX	DivX
Flash Video	Flash Video
H.263	H.263
H.264 / MPEG-4 Part 10 / AVC video	H.264 / MPEG-4 Part 10 / AVC video
H.265 / MPEG-H Part 2 / HEVC
MKV	MKV
MP4	MP4
VC-1
VP8
VP9
WebM	WebM
WMV	WMV
WMV7
WMV8
Xvid	Xvid
Galaxy A51 Battery	Redmi K30 4G Battery
Capacity	Capacity
4000 mAh	4500 mAh
Type	Type
Li-Polymer	Li-Polymer
Features	Features
Non-removable	Non-removable
Fast charging	Fast charging
Charger Output Power	Charger Output Power
5 V / 2 A
9 V / 1.67 A	9 V / 3 A
Galaxy A51 Launch	Redmi K30 4G Launch
Announced	Announced
2019, 13th December	2019, 10th Dec.
Status	Status
Release December 2019	Release 12th Dec. 2019
Galaxy A51 Price	Redmi K30 4G Price
-	6 GB + 64 GB = 230 $
	6 GB + 128 GB = 240 $
	8 GB + 128 GB = 270 $
	8 GB + 256 GB = 310 $
Galaxy A51 Design	Redmi K30 4G Design
Colors	Colors
Prism Crush Black	Purple
Prism Crush Blue	Fuchsia
Prism Crush Pink
Prism Crush White
Width	Width
73.6 mm	76.6 mm
7.36 cm	7.66 cm
0.24 ft	0.25 ft
2.9 in	3.02 in
Height	Height
158.5 mm	165.3 mm
15.85 cm	16.53 cm
0.52 ft	0.54 ft
6.24 in	6.51 in
Thickness	Thickness
7.9 mm	8.79 mm
0.79 cm	0.88 cm
0.03 ft	0.03 ft
0.31 in	0.35 in
Weight	Weight
172 g	208 g
0.38 lbs	0.46 lbs
6.07 oz	7.34 oz
Volume	Volume
92.16 cm3	111.3 cm3
5.6 in3	6.76 in3
Body Materials	Body Materials
Plastic	Aluminium alloy
	Glass
Galaxy A51 SIM Card	Redmi K30 4G SIM Card
SIM Card Type	SIM Card Type
Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)	Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
	Nano-SIM / microSD
Number of SIM Cards	Number of SIM Cards
2	2
Features	Features
Dual SIM stand-by	Dual SIM stand-by
Galaxy A51 Mobile Network Technology and Bandwidth	Redmi K30 4G Mobile Network Technology and Bandwidth
UMTS (384 kbit/s)	UMTS (384 kbit/s)
EDGE	EDGE
GPRS	GPRS
HSPA+	HSPA+
LTE Cat 12 (102.0 Mbit/s, 603.0 Mbit/s)	LTE
	TD-SCDMA
Galaxy A51 Networks	Redmi K30 4G Networks
GSM	GSM
GSM 850 MHz (B5)	GSM 850 MHz (B5)
GSM 900 MHz (B8)	GSM 900 MHz (B8)
GSM 1800 MHz (B3)	GSM 1800 MHz (B3)
GSM 1900 MHz (B2)	GSM 1900 MHz (B2)
	CDMA
	CDMA 800 MHz (BC0)
UMTS	W-CDMA
UMTS 850 MHz (B5)	W-CDMA 850 MHz (B5)
UMTS 900 MHz (B8)	W-CDMA 900 MHz (B8)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)	W-CDMA 2100 MHz (B1)
	TD-SCDMA
	TD-SCDMA 1880-1920 MHz
	TD-SCDMA 2010-2025 MHz
LTE	LTE
LTE-FDD 850 MHz (B5)	LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)	LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)	LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)	LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
	LTE-TDD 1900 MHz (B39)
	LTE-TDD 2000 MHz (B34)
	LTE-TDD 2300 MHz (B40)
	LTE-TDD 2500 MHz (B41)
	LTE-TDD 2600 MHz (B38)