Samsung Galaxy A42 vs Samsung Galaxy A51 vs Samsung Galaxy S21

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  • Samsung Galaxy A41

    Samsung Galaxy A41

  • Samsung Galaxy A20e

    Samsung Galaxy A20e

  • Samsung Galaxy A40

    Samsung Galaxy A40

  • Samsung Galaxy A40s

    Samsung Galaxy A40s

  • Samsung Galaxy A50

    Samsung Galaxy A50

  • Samsung Galaxy A30

    Samsung Galaxy A30

Total
36
22
37
20
40
16
General
Operating systemAndroid 10.0 Android 10.0 Android 11
AvailableYes Yes Yes
Released (US)November 2020 January 2020 January 2021
Original price (US)299.26 $379 $799.9 $
Released (FR)November 2020 January 2020 January 2021
Street price (EUR)375 €379 €859
909
DesignCandybar Candybar Candybar
ColorWhite
Grey
Black
White
Blue
Black
Pink
White
Grey
Pink
Purple
SAR1.154 W/kg0.369 W/kg0.456 W/kg
RuggedNo No Yes
TypeWaterproof
Dust
Ingress ProtectionIP 68
Size and weight
75.9 in
8.6 in
164.4 in
193 oz
73.6 in
7.9 in
158.5 in
172 oz
71.2 in
7.9 in
151.7 in
169 oz
Height164.4 in158.5 in151.7 in
Width75.9 in73.6 in71.2 in
Thickness 8.6 in7.9 in7.9 in
Weight193 oz172 oz169 oz
Display
Screen typeSuper AMOLED Super AMOLED Dynamic AMOLED 2X
Resolution1600x720 pixels2400x1080 pixels2400x1080 pixels
Screen size6.6 in6.5 in6.2 in
TouchscreenYes Yes Yes
Touchscreen typeCapacitive Capacitive Capacitive
MultitouchYes Yes Yes
Colors16 777 216 16 777 216 16 777 216
3DNo No No
PPI266 405 424
Hardware
CPUQualcomm Snapdragon 750 SM7225 Samsung Exynos 9611 Samsung Exynos 2100
Processor frequency2.2 GHz2.3 GHz2.9 GHz
Core numberOcto Core Octo Core Octo Core
RAM4096
6144
8192
4096
6144
8192 MB
Internal storage128 GB64
128
128
256
Removable storageYes Yes No
Memory cardmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
Network
GSMYes Yes Yes
GSM frequencies850
900
1800
1900
850
900
1800
1900
850
900
1800
1900
GPRSYes Yes Yes
EDGEYes Yes
UMTSYes Yes Yes
UMTS Frequencies850
900
1700/2100
1900
2100
850
900
1700/2100
1900
2100
850
900
1700/2100
1900
2100
HSPAYes Yes Yes
HSPA+Yes Yes Yes
Maximum theoretical bandwith 42 Mbit/s 42 Mbit/s 42 Mbit/s
CDMANo No Yes
CDMA Frequencies800
1900
4G LTEYes Yes Yes
LTE Frequencies700
800
850
900
1800
1900
2100
2600
700
800
850
900
1700/2100
1800
1900
2100
2500
2600
700
800
850
900
1700/2100
1800
1900
2100
2600
5GYes Yes
WiMAXNo No No
Connectivity
Wi-FiYes Yes Yes
Wi-Fi Standard802.11a
802.11ac
802.11b
802.11g
802.11n
802.11a
802.11ac
802.11b
802.11g
802.11n
802.11a
802.11ac
802.11b
802.11g
802.11n
Wi-Fi hotspotYes Yes Yes
BluetoothYes Yes Yes
Bluetooth version5.0 5.0 5.0
ProfilesAdvanced Audio Distribution (A2DP)
Low Energy (LE)
Advanced Audio Distribution (A2DP)
Low Energy (LE)
Advanced Audio Distribution (A2DP)
Low Energy (LE)
GPSYes Yes Yes
GPS typeA-GPS A-GPS A-GPS
USBYes Yes Yes
USB version2.0 2.0 3.2
USB connector typeType-C Type-C Type-C
USB featuresUSB charging
Mass storage device
USB charging
Mass storage device
USB charging
Mass storage device
AudioYes Yes No
Headset jack3.5mm 3.5mm
HDMINo No No
DLNANo No No
NFCYes Yes Yes
Dual SIMNo
Yes
No
Yes
Yes
eSIMNo No Yes
InfraredNo No No
Digital Camera / Video
Back cameraYes Yes Yes
3DNo No No
Photo resolution48 MP48 MP12 MP
Video resolution1080 p2160 p1080 p
FlashYes Yes Yes
Flash typeLED LED LED
FeaturesHigh Dynamic Range Mode (HDR)
Panorama
High Dynamic Range Mode (HDR)
Panorama
High Dynamic Range Mode (HDR)
Panorama
Optical zoom 1.1 x
Front cameraYes Yes Yes
Photo resolution20 MP32 MP10 MP
Front FlashNo No No
Multimedia
Music playerYes Yes Yes
Video playerYes Yes Yes
RadioNo Yes Yes
FM TransmitterNo No No
Sensor
AccelerometerYes Yes Yes
GyroscopeYes Yes Yes
Proximity sensorYes Yes Yes
CompassYes Yes Yes
BarometerYes Yes Yes
Ambient light sensorYes Yes Yes
FingerprintYes Yes Yes
Battery
Battery typeLithium-Polymer Lithium-Polymer Lithium-Polymer
Capacity5000 mAh4000 mAh4000 mAh
Qi wireless chargingNo No Yes
TypeEmbedded
Quick ChargeYes Yes Yes

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