Product
Xiaomi Redmi 3s
Xiaomi Redmi 3s
Google Pixel 4a
Google Pixel 4a
Battery
Charging 10W wired 18W wired, PD2.0
Type Li-Ion 4100 mAh, non-removable Li-Po 3140 mAh
Body
Build Glass front, aluminum back, aluminum frame Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions 139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in) 144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + eSIM
Weight 144 g (5.08 oz) 143 g (5.04 oz)
Comms
Bluetooth 4.1, A2DP 5.0, A2DP, LE, aptX HD
Infrared port Yes -
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, QZSS, BDS
Radio FM radio No
USB microUSB 2.0 USB Type-C 3.1
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Display
Protection - Corning Gorilla Glass 3
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~443 ppi density)
Size 5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio) 5.81 inches, 83.2 cm2 (~83.3% screen-to-body ratio)
Type IPS LCD OLED, HDR
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2016, June. Released 2016, June 2020, August 03
Status Discontinued Available. Released 2020, August 20
Main Camera
Features LED flash, HDR, panorama LED flash, Pixel Shift, Auto-HDR, panorama
Single 13 MP, f/2.0, PDAF 12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps; gyro-EIS
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 16GB 2GB RAM, 32GB 3GB RAM 128GB 6GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Gold, Dark Gray, Silver Just Black, Barely Blue
Models 2016031 G025J, GA02099, G025N
SAR 0.22 W/kg (head)     1.22 W/kg (body)     -
SAR EU 0.62 W/kg (head)     0.43 W/kg (body)     -
Network
2G bands GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 3, 5, 40 - India 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/75 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Our Tests
Audio quality Noise -94.3dB / Crosstalk -91.8dB -
Battery (old) Endurance rating 104h -
Camera Photo / Video -
Display Contrast ratio: 1087:1 (nominal), 2.913 (sunlight) -
Loudspeaker Voice 66dB / Noise 70dB / Ring 70dB -
Performance Basemark OS II 2.0: 882Basemark X: 7263 -
Platform
Chipset Qualcomm MSM8937 Snapdragon 430 (28 nm) Qualcomm SDM730 Snapdragon 730G (8 nm)
CPU Octa-core 1.4 GHz Cortex-A53 Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU Adreno 505 Adreno 618
OS Android 6.0.1 (Marshmallow), MIUI 9.2 Android 10, upgradable to Android 13
Selfie camera
Features - HDR
Single 5 MP, f/2.2 8 MP, f/2.0, 24mm (wide), 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers
Tests
Battery (old) - Endurance rating 76h
Display - 803 nits max brightness (measured)
Performance - AnTuTu: 268714 (v8)GeekBench: 6426 (v4.4), 1626 (v5.1)GFXBench: 17fps (ES 3.1 onscreen)