Phone Comparison - Samsung Galaxy A8 vs Samsung Galaxy A20 vs Samsung Galaxy A21s

general General Info

Manufacturer Samsung Samsung Samsung
Announced July 2015 March 2019 Expected Announcement - May 2020
Status Available - August 2015 Coming Soon - April 2019 Rumored
Price Rs. 26,990 ($396.91) [Similarly Priced] - -
Colors Pearl White, Midnight Black, Champagne Gold Blue, Black Black, White, Blue
Form Factor Candybar Candybar Candybar
Dimension 158 x 76.8 x 5.9 mm
(6.22 x 3.02 x 0.23 in)
- 8.9 mm thickness
(0.35 in thickness)
Weight 151 g (5.33 oz) - 191 g (6.74 oz)
SIM Type - 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 (optional) 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 / 900 / 1900 / 2100
4G Network LTE LTE LTE
Messaging SMS, MMS, EMail, IM
Build Features - Fingerprint sensor - Fingerprint Sensor
- Fingerprint Sensor

hardware Hardware and OS

OS Android OS, v5.1 (Lollipop) Android 9.0 (Pie) Android 10.0
Processor Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884 Octa Octa-core 2.0 GHz, Exynos 850
GPU Adreno 405 - -
RAM 2 GB 3 GB 3 GB
Internal Memory 16/32 GB 32 GB 64 GB
External Memory microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 512 GB (dedicated slot) microSDXC

display Display

Type Super AMOLED capacitive touchscreen Super AMOLED Capacitive Touchscreen PLS TFT Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.7 inches 6.4 inches 6.55 inches
Resolution 1080 x 1920 pixels (386 ppi) 720 x 1560 pixels (268 ppi) 720 x 1600 pixels (268 ppi)
Screen-to-Body Ratio 73.99% - -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio with RDS; recording FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 16 MP, 5312 x 2988 pixels 13 MP + 5 MP 48 MP + 8 MP + 2 MP
Flash LED flash LED Flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR 13 MP, f/1.9, 28mm (wide), AF
5 MP, f/2.2, depth sensor
Panorama, HDR
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
Panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 5 MP, 1080p [Similar] 8 MP, f/2.0 [Similar] 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth v4.1, A2DP, EDR, LE 4.2, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, 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 microUSB v2.0 microUSB 2.0 Yes
GPS Yes, with A-GPS, GLONASS/ Beidou (market dependant) Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS
Browser HTML5 Yes Yes

memory User Memory

Internal 16/32 GB, 2 GB RAM 32 GB, 3 GB RAM 64 GB, 3 GB RAM or 32 GB, 3 GB RAM
Expandable Storage microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 512 GB (dedicated slot) microSDXC
USB OTG - Supported 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
NFC NFC supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Battery Charging 10W
Capacity 3050 mAh 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -