Phone Comparison - Samsung Galaxy A40 vs Samsung Galaxy A21 vs Samsung Galaxy A03s

general General Info

Manufacturer Samsung Samsung Samsung
Announced March 2019 2020, April 8 Not announced yet
Status Coming Soon - April 2019 Coming soon. Exp. release 2020, April Rumored
Colors Black, White, Blue, Coral Various Black, White, Red, Blue
Form Factor Candybar Candybar Candybar
Dimension 144.3 x 69.1 x 7.9 mm
(5.68 x 2.72 x 0.31 in)
- 166.6 x 75.9 x 9.1 mm
(6.56 x 2.99 x 0.36 in)
Weight - - -
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE LTE 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
Glass front, plastic back, plastic frame
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0 Android 11
User Interface - One UI 2.0 One UI 3.1
Processor Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek MT6765 Helio P35 (12nm)
GPU Mali-G71 PowerVR GE8320 PowerVR GE8320
RAM 4 GB 3 GB 4 GB
Internal Memory 64 GB 64 GB 64 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen HD+ Super AMOLED Capacitive Touchscreen HD+ PLS IPS Screen
Colors 16M colors 16M colors 16M Colour
Size 5.9 inches 6.5 inches 6.5 inches
Resolution 1080 x 2280 pixels (428 ppi) 720 x 1600 pixels (270 ppi) 720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio 86.97% - 80.63%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 16 MP + 5 MP 16 MP + 8 MP + 2 MP + 2 MP 13 MP + 2 MP + 2 MP
Flash LED Flash No LED Flash
Features 16 MP, f/2.0, PDAF
5 MP, f/2.2, 12mm, (ultrawide)
Panorama, HDR
16 MP, f/1.9, 28mm (wide), AF
8 MP, f/2.2, 12mm (ultrawide)
2 MP, (macro)
2 MP, (depth)
panorama, HDR
13 MP, f/2.2, (wide), AF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Video 2160p@30fps, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 25 MP, 1080p@30fps [Similar] 13 MP
HDR
1080p@30fps [Similar]
5 MP, f/2.2 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE 4.2, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go USB Type-C 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM 64 GB, 3 GB RAM eMMC 5.1 64 GB, 4 GB RAM or 32 GB, 3 GB RAM eMMC 5.1
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3100 mAh 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -