Phone Comparison - Samsung Galaxy S10 vs Samsung Galaxy A51 vs Samsung Galaxy A21s

Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2019 December 2019 Expected Announcement - May 2020
Status Available - March 2019 Coming Soon - December 12, 2019 Rumored
Price Rs. 66,900 ($0.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced] -
Colors Prism White, Prism Black, Prism Green, Prism Blue, Canary Yellow, Flamingo Pink Prism Crush White, Black, Pink, Blue Black, White, Blue
Form Factor Candybar Candybar Candybar
Dimension 149.9 x 70.4 x 7.8 mm
(5.9 x 2.77 x 0.31 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
8.9 mm thickness
(0.35 in thickness)
Weight 157 g (5.54 oz) 172 g (6.07 oz) 191 g (6.74 oz)
SIM Type Single SIM (Nano-SIM), Hybrid 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)
CDMA2000 1xEV-DO - USA
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)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - Global LTE (unspecified) LTE
Messaging SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint Sensor
- Samsung Pay (Visa, MasterCard certified)
- IP68 dust/water proof (up to 1.5m for 30 mins)
- Fingerprint Sensor(In-display)
- Fingerprint Sensor

hardware Hardware and OS

OS Android 9.0 (Pie) Android 9.0 (Pie) Android 10.0
User Interface One UI One UI One UI 2.0
Processor Octa-core (2x2.7 GHz Mongoose M4 & 2x2.3 GHz Cortex-A75 & 4x1.9 GHz Cortex-A55) - EMEA
Octa-core (1x2.8 GHz Kryo 485 & 3x2.4 GHz Kryo 485 & 4x1.7 GHz Kryo 485) - USA/LATAM, China, Exynos 9820 Octa (8 nm) - EMEA
Qualcomm SDM855 Snapdragon 855 (7 nm) - USA/LATAM, China
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core 2.0 GHz, Exynos 850
GPU Mali-G76 MP12 - EMEA
Adreno 640 - USA/LATAM, China
Mali-G72 MP3 -
RAM 8 GB 8 GB 3 GB
Internal Memory 128/512 GB 128 GB 64 GB
External Memory microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot) microSDXC

display Display

Type Dynamic AMOLED Capacitive Touchscreen, Corning Gorilla Glass 6 Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen PLS TFT Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.1 inches 6.5 inches 6.55 inches
Resolution 1440 x 3040 pixels (551 ppi) 1080 x 2340 pixels (396 ppi) 720 x 1600 pixels (268 ppi)
Screen-to-Body Ratio 88.15% 89.06% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio (USA & Canada only) FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP + 12 MP + 16 MP 48 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 2 MP
Flash LED flash LED Flash LED Flash
Features 12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, OIS
12 MP, f/2.4, 52mm (telephoto), 1/3.6", 1.0µm, AF, OIS, 2x optical zoom
16 MP, f/2.2, 12mm (ultrawide)
auto-HDR, panorama
48 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
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 2160p@60fps, 1080p@240fps, 720p@960fps, HDR, dual-video rec. 2160p@30fps, 1080p@30fps 1080p@30fps
Front Camera 10 MP, f/1.9, Dual Pixel PDAF, Dual video call, Auto-HDR, 2160p@30fps, 1080p@30fps [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [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-A (7CA) Cat20 2000/150 Mbps HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE, aptX 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/ax, 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 b/g/n, Wi-Fi Direct, hotspot
USB 3.1, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go Yes
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS
Browser Yes Yes Yes

memory User Memory

Internal 128/512 GB, 8 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 64 GB, 3 GB RAM or 32 GB, 3 GB RAM
Expandable Storage microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot) microSDXC
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
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
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor not present
Heart-rate Sensor heart rate sensor present heart rate sensor not present heart rate sensor not 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 15W
Non-removable Li-Po Battery
Battery Charging 10W
Capacity 3400 mAh 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -