Phone Comparison - Samsung Galaxy S6 vs Samsung Galaxy A71 vs Samsung Galaxy S21 5G

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced March 2015 December 2019 2021, January 14
Status Available - April 2015 Available. Released 2020, January Coming soon. Exp. release 2021, January 29
Price Rs. 29,999 ($441.16) [Similarly Priced] Rs. 29,999 ($0.00) [Similarly Priced] Rs. 69,999 ($799.99) [Similarly Priced]
Colors White Pearl, Black Sapphire, Gold Platinum, Blue Topaz Prism Crush White, Black, Pink, Blue Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Form Factor Candybar Candybar Candybar
Dimension 143.4 x 70.5 x 6.8 mm
(5.65 x 2.78 x 0.27 in)
163.6 x 76.0 x 7.7 mm
(6.44 x 2.99 x 0.3 in)
151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
Weight 138 g (4.87 oz) 179 g (6.31 oz) 169 g (5.96 oz)
SIM Type - Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) LTE
5G Network - - SA/NSA/Sub6/mmWave
Messaging SMS, MMS, EMail, IM
Build Features - Corning Gorilla Glass 4 back panel
- Fingerprint sensor (PayPal certified)
- Samsung Pay (Visa, MasterCard certified)
- Fingerprint Sensor(In-display)
- Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+

hardware Hardware and OS

OS Android OS, v5.0.2 (Lollipop) Android 10.0 Android 11
User Interface - One UI 2.0 One UI 3.1
Processor Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57, Exynos 7420 Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - International / Qualcomm Snapdragon 888 - USA/China/Korea
GPU Mali-T760 Adreno 618 Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 3 GB 8 GB 8 GB
Internal Memory 32/64/128 GB 128 GB 256 GB
External Memory No microSD, up to 512 GB (dedicated slot) microSDXC (uses shared SIM slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 5.1 inches 6.7 inches 6.2 inches
Resolution 1440 x 2560 pixels (577 ppi) 1080 x 2400 pixels (393 ppi) 1080 x 2400 pixels (424 ppi)
Screen-to-Body Ratio 70.66% 87.08% 86.12%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio No FM radio FM radio (Snapdragon model only; market/operator dependent)
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 16 MP, 3456 x 4608 pixels, OIS 64 MP + 12 MP + 5 MP + 5 MP 12 MP + 64 MP + 12 MP
Flash LED Flash LED Flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama 64 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm (ultrawide), 1.4µm, Super Steady video
Auto-HDR, Panorama
Video 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Front Camera 5 MP, 1080p@30fps, dual video call, HDR [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF, Dual video call, Auto-HDR, 4K@30/60fps, 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, LTE-A HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth v4.1, A2DP, LE, apt-X 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 (MHL 3 TV-out), USB Host 2.0, Type-C 1.0 reversible connector, USB On-The-Go USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser HTML5 Yes Yes

memory User Memory

Internal 32/64/128 GB, 3 GB RAM 128 GB, 8 GB RAM 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage No microSD, up to 512 GB (dedicated slot) microSDXC (uses shared SIM slot)
USB OTG Supported 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
Barometer Sensor barometer sensor barometer sensor not present barometer sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Power bank/Reverse wireless charging 4.5W
Capacity 2550 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -