On this page we compare specs Xiaomi Redmi S3 Octa core (1.8 GHz, Quad core, Kryo 260 1.6 GHz, Quad core, Kryo 260) with Xiaomi Redmi Note 9 Pro Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Operating system | Android v8.0 (Oreo) | Android 10.0; MIUI 11 |
| Processor | Octa core (1.8 GHz, Quad core, Kryo 260 1.6 GHz, Quad core, Kryo 260) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Custom UI | MIUI | |
| Chipset | Qualcomm Snapdragon 636 | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Adreno 509 | Adreno 618 |
| Internal memory | 32 GB | 64GB 4GB RAM, 128GB 6GB RAM |
| Architecture | 64 bit | |
| External memory | Yes, Up to 256 GB | microSDXC (dedicated slot) |
| RAM | 3 GB | |
| Display | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 5.99 inches (15.21 cm) | 6.67" inc |
| Resolution | | 1080 x 2400 px |
| Protection | | Corning Gorilla Glass 5 |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 84.5% |
| Screen format | 18:9 | |
| Display area | | 107.4 cm2 |
| PPI /points per inch/ | 406 ppi | |
| Display aspect ratio | | 20:9 (height:width) |
| Pixel Density | | 395 PPI |
| Screen Protection | Corning Gorilla Glass, | |
| Colors | | 16M |
| Other | | 450 nits typ. brightness (advertised) |
| Connectivity | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 4G, 3G, 2G | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 1900 / 2100 |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| 4G Network | | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| USB Connectivity | Mass storage device, USB charging, microUSB 2.0 | |
| SIM card | SIM1: Nano, SIM2: Nano | Dual SIM (Nano-SIM, dual stand-by) |
| VoLTE | Yes | |
| Bluetooth | Yes, v5.0 | 5.0, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | | 2.0, Type-C 1.0 reversible connector |
| Camera | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Camera Setup | Dual | |
| Autofocus | Yes, Phase Detection autofocus | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, Dual-color LED Flash | |
| Main camera | 13 MP, Primary Camera, 13 MP, | 48 MP, Quad |
| Image Resolution | 4128 x 3096 Pixels | |
| Features | | LED flash, HDR, panorama |
| Video | | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Selfie camera | 5 MP, Primary Camera, | 16 MP, Single |
| Multimedia | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| 3.5 mm Jack | | Yes |
| Radio | | FM radio, recording |
| Design | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Colors | | Aurora Blue, Glacier White, Interstellar Black |
| Body build | | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | | 165.8 x 76.7 x 8.8 mm |
| Weight | | 209 g |
| Other features | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Fingerprint Sensor | Yes | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
| Battery | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Capacity | 3300 mAh | |
| Type | Li-ion | |
| Removable | No | |
| USB Type-C | No | |
| Battery capacity | | 5020 mAh, Non-removable Li-Po |
| Other | Xiaomi Redmi S3 | Xiaomi Redmi Note 9 Pro |
|---|
| Release date | | 2020, March 12 |
| Sensors | | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
