Phone Comparison - Samsung Galaxy A40 vs Samsung Galaxy A10s vs Samsung Galaxy A51

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced March 2019 August 2019 December 2019
Status Coming Soon - April 2019 Available - August 2019 Coming Soon - December 12, 2019
Price - Rs. 9,499 ($0.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced]
Colors Black, White, Blue, Coral Blue, Green, Red, Black Prism Crush White, Black, Pink, 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)
156.9 x 75.8 x 7.8 mm
(6.18 x 2.98 x 0.31 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
Weight - 168 g (5.93 oz) 172 g (6.07 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) 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 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
- Fingerprint Sensor(In-display)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 9.0 (Pie) Android 9.0 (Pie)
User Interface - One UI One UI
Processor Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) Octa-core (4x2.0 GHz & 4x1.5 GHz), Exynos processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Mali-G71 - Mali-G72 MP3
RAM 4 GB 2 GB 8 GB
Internal Memory 64 GB 32 GB 128 GB
External Memory microSD, up to 512 GB (dedicated slot) microSD, up to 1 TB (dedicated slot) microSD, up to 512 GB (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen IPS LCD Capacitive Touchscreen Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.9 inches 6.2 inches 6.5 inches
Resolution 1080 x 2280 pixels (428 ppi) 720 x 1520 pixels (271 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio 86.97% 80.84% 89.06%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 16 MP + 5 MP 13 MP + 2 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash LED Flash LED Flash LED Flash
Features 16 MP, f/2.0, PDAF
5 MP, f/2.2, 12mm, (ultrawide)
Panorama, HDR
13 MP, f/1.8, 28mm (wide), AF
2 MP, f/2.4, 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@30fps 1080p@30fps 2160p@30fps, 1080p@30fps
Front Camera 25 MP, 1080p@30fps [Similar] 8 MP, f/2.0 [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) 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, LTE-A
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
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 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Type-C 1.0 reversible connector microUSB 2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM 32 GB, 2 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSD, up to 512 GB (dedicated slot) microSD, up to 1 TB (dedicated slot) microSD, up to 512 GB (dedicated 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
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor present
NFC NFC supported NFC not supported NFC not supported

battery Battery

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