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Xiaomi Redmi 3s

Xiaomi Redmi 4A

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Xiaomi Redmi 3s

Xiaomi Redmi 4A

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network 3, 5, 40 - India 1, 3, 4, 5, 7, 20, 38, 40
Speed HSPA, LTE HSPA, LTE
Launch
Announced 2016, June. Released 2016, June 2016, November. Released 2016, November
Status Discontinued Discontinued
Body
Dimensions 139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in) 139.9 x 70.4 x 8.5 mm (5.51 x 2.77 x 0.33 in)
Weight 144 g (5.08 oz) 131.5 g (4.66 oz)
Build Glass front, aluminum back, aluminum frame Glass front, plastic back, plastic frame
SIM Nano-SIM + Micro-SIM Nano-SIM + Micro-SIM
Display
Type IPS LCD IPS LCD
Size 5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio) 5.0 inches, 68.0 cm2 (~69.0% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 720 x 1280 pixels, 16:9 ratio (~296 ppi density)
Platform
OS Android 6.0.1 (Marshmallow), MIUI 9.2 Android 6.0.1 (Marshmallow), MIUI 10
Chipset Qualcomm MSM8937 Snapdragon 430 (28 nm) Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Octa-core 1.4 GHz Cortex-A53 Quad-core 1.4 GHz Cortex-A53
GPU Adreno 505 Adreno 308
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 32GB 3GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
 eMMC 5.1 eMMC 5.1
Main Camera
Modules 13 MP, f/2.0, PDAF 13 MP, f/2.2, AF
Features LED flash, HDR, panorama LED flash, HDR, panorama
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 5 MP, f/2.2 5 MP, f/2.2
Video 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth 4.1, A2DP 4.1, A2DP, LE
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC No No
Infrared port Yes Yes
Radio FM radio FM radio
USB microUSB 2.0 microUSB 2.0
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity
Battery
Type Li-Ion 4100 mAh, non-removable Li-Ion 3120 mAh, non-removable
Charging 10W wired
Misc
Colors Gold, Dark Gray, Silver Gold, Rose Gold, Dark Gray
SAR 0.22 W/kg (head)     1.22 W/kg (body)     0.53 W/kg (head)     1.18 W/kg (body)    
SAR EU 0.62 W/kg (head)     0.43 W/kg (body)    
Models 2016031 2016117
Price About 120 EUR About 110 EUR
Tests
Performance Basemark OS II 2.0: 882
Basemark X: 7263
GeekBench: 1781 (v4.4)
Display Contrast ratio: 1087:1 (nominal), 2.913 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 66dB / Noise 70dB / Ring 70dB
Audio quality Noise -94.3dB / Crosstalk -91.8dB
Battery (old) Endurance rating 104h

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