LG K51S vs. Samsung Galaxy A21

LG K51S
  • 6.55" (1520x720) IPS LCD
  • 3GB
     64GB Storage
  • -MP 1 Rear Camera
  • 4000 mAh
Samsung Galaxy A21
  • 6.5" (1600x720) Super AMOLED
  • 3GB
    MT6765) SoC     32GB Storage
  • 16-MP, f/1.8 4 Rear Cameras
    CAMERA HW score: 76
  • 4000 mAh
Galaxy A21 Price
$184. Search

Specifications Highlights
Product NameK51SGalaxy A21
ProductLG K51S (Launched 2020-02-18)Galaxy A21 (Launched 2020-04-08), Price: 184 USD at Amazon
Display6.55" 1520x720 IPS LCD 6.5" 1600x720 Super AMOLED
Rear Camera(s)
  • (Primary)
  • 24mm 16-MP f/1.8 (Primary)
  • 14mm 8-MP f/2.2
  • 2-MP f/2.4 +Bokeh Sensor
  • 2-MP f/2.4
Selfie Camera(s)
  • 13-MP f/2
  • 13-MP f/2
Computing
  • 3GB RAM
  • 64GB Storage
  • MicroSDXC
  • MT6765) SoC
  • 3GB RAM
  • 32GB Storage
  • MicroSDXC
Battery4000 mAh4000 mAh
DesignIPxx, 76.7x165.2x8.2 mm (3.02 x 6.50 x 0.32 inches)IP Rating, 192g (6.8oz), 163.7x75.3x8.9 mm (6.44 x 2.96 x 0.35 inches)
Price (Market)$184
Price at Launch$249
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Display
Product NameK51SGalaxy A21
TypeIPS LCDSuper AMOLED
Diagonal (inches)6.55"6.5"
Display/Body Ratio84.5%82.8%
Resolution1520x7201600x720
Sharpness (PPI)257 PPI270 PPI
Features
  • Multitouch
  • Glossy
  • Multitouch
  • Glossy
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameK51SGalaxy A21
Megapixel-MP16-MP
Aperturef/1.8
Focal Length (35mm) 24mm
Sensor SizeSmall
Hardware Features
  • Dual LED Flash
  • LED Flash
Ultrawide Camera
Product NameGalaxy A21
Megapixel8-MP
Aperturef/2.2
Focal Length (35mm) 14mm
Sensor SizeVery small
Macro Camera
Product NameGalaxy A21
Megapixel2-MP
Aperturef/2.4
Hardware Features
  • Macro Lens
Battery
Product NameK51SGalaxy A21
Battery TypeLi-PolyLi-Poly
Battery Capacity (mAh)4000 mAh4000 mAh
Battery Features
  • Non-Removable
  • Fast Charge
  • Non-Removable
Computing
Product NameK51SGalaxy A21
Processor BrandMediaTek
Processor NameMT6765)
Processor ModelMT6765)
Processor # Cores88
Main Processor Frequency (GHz)2.3 GHz2.3 GHz
RAM Options3GB3GB
Internal Storage Options64GB32GB
Memory Card TypeMicroSDXCMicroSDXC
Operating System + VersionAndroid 10Android 10
Communications
Product NameK51SGalaxy A21
LTE Category (Download)LTE CAT6 301 MbpsLTE CAT4 150 Mbps
LTE Bands1, 20, 3, 7, 81, 20, 3, 38, 40, 41, 5, 7, 8
Modem Features
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • UMTS
  • EDGE
  • HSPA+
  • LTE
WiFi Speed
  • a
  • b
  • g
  • n
  • ac
  • b
  • g
  • n
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 5.0Bluetooth 5.0
Bluetooth Features
  • A2DP
  • BT LE
  • A2DP
  • AVRCP
  • DIP
  • HFP
  • HID
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP/PAB
NFC Features
  • NFC Supported
  • NFC Supported
Connector TypeUSB Type CUSB Type C
Connector Features
  • USB 2.0
  • USB OTG
  • USB 2.0
  • USB OTG
SAR EU Head0.23 W/Kg
SAR EU Body1.38 W/Kg
Sim Card 0
Product NameK51SGalaxy A21
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NameK51SGalaxy A21
NameSIM0
SIM TypeNano SIM/MicroSD
Multimedia
Product NameK51SGalaxy A21
Multimedia Features
  • DLNA
Audio Features
  • Loudspeaker
  • 3.5mm Port
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
Video Formats
  • H.263
  • H.264
  • MPEG-4
  • MP4
  • VC-1
  • VP8
  • VP9
  • XVID
  • H.263
  • H.264
  • MPEG-4
  • H.265
  • MP4
  • VC-1
  • VP8
  • VP9
  • WMV7
  • WMV8
  • XVID
Sensors
  • Proximity
  • Accelerometer
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou

LG K51S vs. Samsung Galaxy A21 Specs & Speed Benchmarks

Battery Capacity (mAh)

Higher is better