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Xiaomi Redmi 1S

Xiaomi Redmi 4 (4X)

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Xiaomi Redmi 1S
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Xiaomi Redmi 1S

Xiaomi Redmi 4 (4X)

Network
Technology GSM / HSPA GSM / HSPA / LTE
2G bands GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 3, 5, 7, 8, 38, 39, 40, 41
Speed HSPA HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps
Launch
Announced 2014, May. Released 2014, May 2017, May
Status Discontinued Available. Released 2017, May
Body
Dimensions 137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in) 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
Weight 158 g (5.57 oz) 150 g (5.29 oz)
Build Glass front (Asahi Dragontrail), plastic back, plastic frame Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
SIM Dual SIM (Mini-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
Display
Type IPS LCD IPS LCD
Size 4.7 inches, 60.9 cm2 (~64.4% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~312 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection Asahi Dragontrail Glass Corning Gorilla Glass (unspecified version)
Platform
OS Android 4.3 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 9.2 Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
Chipset Qualcomm MSM8228 Snapdragon 400 (28 nm) Qualcomm MSM8940 Snapdragon 435 (28 nm)
CPU Quad-core 1.6 GHz Cortex-A7 Octa-core 1.4 GHz Cortex-A53
GPU Adreno 305 Adreno 505
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 8GB 1GB RAM 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
 eMMC 4.5 eMMC 5.1
Main Camera
Modules 8 MP, f/2.2, 1/3.2", 1.4µm, AF 13 MP, f/2.0, PDAF
Features LED flash, HDR LED flash, HDR, panorama
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 1.6 MP 5 MP, f/2.2
Video 720p@30fps 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, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth 4.0, A2DP, LE 4.2, A2DP, LE
Positioning GPS, GLONASS GPS, GLONASS, BDS
NFC No No
Infrared port No Yes
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Type Li-Ion 2000 mAh, removable Li-Po 4100 mAh, non-removable
Stand-by Up to 432 h (3G)
Talk time Up to 36 h (3G)
Music play Up to 87 h
Misc
Colors Black, Chinese Red, Metallic Gray/ blue, green, yellow panels Black, Gold
SAR 0.77 W/kg (head)     0.83 W/kg (body)    
Models 2014011 2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X
Price About 90 EUR About 110 EUR
Tests
Performance Basemark OS II 2.0: 454 GeekBench: 1819 (v4.4)
GFXBench: 5.1fps (ES 3.1 onscreen)
Display Contrast ratio: 1370 (nominal), 1.350 (sunlight) Contrast ratio: 915 (nominal), 2.920 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 66dB / Noise 65dB / Ring 71dB Voice 64dB / Noise 70dB / Ring 72dB
Audio quality Noise -95.4dB / Crosstalk -82.3dB Noise -94.3dB / Crosstalk -94dB
Battery (old) Endurance rating 51h Endurance rating 80h

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