Phone Comparison - Xiaomi Redmi A2 vs vivo S9

Xiaomi Redmi A2
xiaomi redmi a2
vivo S9
vivo s9
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general General Info

Manufacturer Xiaomi vivo
Announced March 2023 March 2021
Status Available - March 2023 Coming Soon - March 2021
Colors Light Green, Light Blue, Black Black, White, Gradient Blue
Form Factor Candybar Candybar
Dimension 164.9 x 76.8 x 9.1 mm
(6.49 x 3.02 x 0.36 in)
158.4 x 73.9 x 7.4 mm
(6.24 x 2.91 x 0.29 in)
Weight 192 g (6.77 oz) 173 g (6.1 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1x
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G Network - 1, 3, 28, 41, 77, 78 SA/NSA
Messaging
Build Features - - Fingerprint Sensor (under display, optical)

hardware Hardware and OS

OS Android 12 (Go edition) Android 11
User Interface MIUI 13 OriginOS 1.0
Processor Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53), Mediatek Helio G36 (12 nm) [Similar] Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), MediaTek Dimensity 1100 5G (6 nm) [Similar]
GPU PowerVR GE8320 [Similar] Mali-G77 MC9 [Similar]
RAM 3 GB [Browse Similar] 12 GB [Browse Similar]
Internal Memory 32 GB 256 GB
External Memory microSDXC (dedicated slot) No

display Display

Type HD+ IPS LCD Screen
400 nits (typ)
FHD+ AMOLED Screen
90Hz Refresh Rate
HDR10+
Colors 16M colors 16M Colour
Size 6.52 inches [Similar] 6.44 inches [Similar]
Resolution 720 x 1600 pixels (269 ppi) 1080 x 2400 pixels (409 ppi)
Screen-to-Body Ratio 81.10% 85.40%
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP + 0.08 MP [Similar] 64 MP + 8 MP + 2 MP [Similar]
Flash Dual-LED Flash Dual-LED Dual-tone Flash
Features 8 MP, f/2.0, (wide)
0.08 MP (depth)
HDR
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS
8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
Video 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS
Front Camera 5 MP, f/2.2
1080p@30fps [Similar]
44 MP, f/2.0, (wide), AF
8 MP, f/2.3, 105˚ (ultrawide), HDR, 4K@30fps, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA, LTE HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.2, A2DP, LE, aptX HD
Wi-Fi Wi-Fi 802.11 a/b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB microUSB 2.0 USB Type-C, USB On-The-Go
GPS GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes

memory User Memory

Internal 32 GB, 3 GB RAM or 32 GB, 2 GB RAM 256 GB, 12 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage microSDXC (dedicated slot) No
USB OTG Not Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint supported
Proximity Sensor proximity sensor not present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor not present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor present
NFC NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Battery charging 10W
Non-removable Li-Po Battery
Fast battery charging 33W, 66% in 30 min (advertised)
Capacity 5000 mAh 4000 mAh
Stand by - -
Talk Time - -