Phone Comparison - Samsung Galaxy S9 vs Samsung Galaxy A30s vs Samsung Galaxy A51

Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2018 August 2019 December 2019
Status Coming Soon, March 2018 Coming Soon - September 2019 Coming Soon - December 12, 2019
Price Rs. 52,999 ($750.00) [Similarly Priced] Rs. 16,999 ($0.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced]
Colors Various Prism Crush Black, Prism Crush White, Prism Crush Green, Prism Crush Violet2 Prism Crush White, Black, Pink, Blue
Form Factor Candybar Candybar Candybar
Dimension 147.7 x 68.7 x 8.5 mm
(5.81 x 2.7 x 0.33 in)
158.5 x 74.7 x 7.8 mm
(6.24 x 2.94 x 0.31 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
Weight 163 g (5.75 oz) 166 g (5.86 oz) 172 g (6.07 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) 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 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE (unspecified)
Messaging SMS, MMS, EMail, IM
Build Features - Fingerprint Sensor
- Samsung Pay (Visa, MasterCard certified)
- IP68 certified - dust/water proof over 1.5 meter and 30 minutes
- Fingerprint Sensor(In-display)
- Fingerprint Sensor(In-display)
Notification LED Yes - -

hardware Hardware and OS

OS Android 8.0 (Oreo) Android 9.0 (Pie) Android 9.0 (Pie)
User Interface Samsung Experience - One UI
Processor Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA
Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA
Qualcomm Snapdragon 845
Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7904 Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Mali-G72 MP18 - EMEA
Adreno 630 - USA & China
Mali-G71 Mali-G72 MP3
RAM 4 GB 4GB 8 GB
Internal Memory 64 GB 64GB 128 GB
External Memory microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot) microSD, up to 512 GB (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 Super AMOLED Capacitive Touchscreen, Unspecified Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.8 inches 6.4 inches 6.5 inches
Resolution 1440 x 2960 pixels (568 ppi) 720 x 1560 pixels (268 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio 84.00% 85.21% 89.06%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP 25 MP + 8 MP + 5 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash LED Flash LED Flash LED Flash
Features Phase Detection Autofocus, f/1.5 - f/2.4 variable aperture lens, 26mm, 1/2.5", 1.4 µm, Dual Pixel PDAF, OIS, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama 25 MP, f/1.7, PDAF
8 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor

Panorama, HDR
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
Video 2160p@30fps, 1080p@60fps, HDR, dual-video rec. 1080p@30fps 2160p@30fps, 1080p@30fps
Front Camera 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] 16 MP, f/2.0, 1080p@30fps [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps HSPA, LTE-A HSPA, 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, 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, dual-band, Wi-Fi Direct, hotspot
USB 3.1, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM 64GB, 4GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot) microSD, up to 512 GB (dedicated slot)
USB OTG Not 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 present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor 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 not supported

battery Battery

Type Non-removable Li-Ion battery Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3000 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -