Phone Comparison - Samsung Galaxy A40 vs Xiaomi Redmi 9C vs Samsung Galaxy A02s

general General Info

Manufacturer Samsung Xiaomi Samsung
Announced March 2019 Not announced yet 2020, November 24
Status Coming Soon - April 2019 Rumored Coming Soon - Februrary 2021
Colors Black, White, Blue, Coral Blue, other colors Black, White
Form Factor Candybar Candybar Candybar
Dimension 144.3 x 69.1 x 7.9 mm
(5.68 x 2.72 x 0.31 in)
- -
Weight - - -
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
-

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0 Android 10
User Interface - MIUI 12 -
Processor Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) , MediaTek Helio G35 Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm)
GPU Mali-G71 Mali-G31 Adreno 506
RAM 4 GB 3 GB 3 GB
Internal Memory 64 GB 64 GB 32 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot) microSDXC

display Display

Type Super AMOLED Capacitive Touchscreen IPS LCD Capacitive Touchscreen HD+ TFT Display
Colors 16M colors 16M colors 16M Colour
Size 5.9 inches 6.53 inches 6.5 inches
Resolution 1080 x 2280 pixels (428 ppi) 720 x 1600 pixels (269 ppi) 720 x 1520 pixels (259 ppi)
Screen-to-Body Ratio 86.97% - -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 16 MP + 5 MP 13 MP + 5 MP + 2 MP 13 MP + 2 MP + 2 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, (wide), 1/3.1", 1.12µm, PDAF
5 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, Panorama
13 MP, (wide), AF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Video 2160p@30fps, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 25 MP, 1080p@30fps [Similar] 5 MP
HDR
1080p@30fps [Similar]
5 MP, f/2.2 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Yes
USB Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go microUSB 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM 64 GB, 3 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot) microSDXC
USB OTG Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor not present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor not 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 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -