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Xiaomi Redmi 2

Xiaomi Redmi 1S

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Xiaomi Redmi 2
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Xiaomi Redmi 2

Xiaomi Redmi 1S

Network
Technology GSM / HSPA / LTE GSM / HSPA
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100 HSDPA 900 / 2100
  TD-SCDMA
4G Network 3, 7, 38, 39, 40, 41
Speed HSPA, LTE Cat4 150/50 Mbps HSPA
Launch
Announced 2015, January. Released 2015, January 2014, May. Released 2014, May
Status Discontinued Discontinued
Body
Dimensions 134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in) 137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in)
Weight 133 g (4.69 oz) 158 g (5.57 oz)
Build Glass front (Gorilla Glass 2), plastic back, plastic frame Glass front (Asahi Dragontrail), plastic back, plastic frame
SIM Dual SIM (Micro-SIM, dual stand-by) Dual SIM (Mini-SIM, dual stand-by)
Display
Type IPS LCD IPS LCD
Size 4.7 inches, 60.9 cm2 (~67.6% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~64.4% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~312 ppi density) 720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Protection Corning Gorilla Glass 2 Asahi Dragontrail Glass
Platform
OS Android 4.4.4 (KitKat), MIUI 6.0 Android 4.3 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 9.2
Chipset Qualcomm MSM8916 Snapdragon 410 (28 nm) Qualcomm MSM8228 Snapdragon 400 (28 nm)
CPU Quad-core 1.2 GHz Cortex-A53 Quad-core 1.6 GHz Cortex-A7
GPU Adreno 306 Adreno 305
Memory
Card slot microSDHC (dedicated slot) microSDXC (dedicated slot)
Internal 8GB 1GB RAM, 16GB 2GB RAM 8GB 1GB RAM
 eMMC 4.5 eMMC 4.5
Main Camera
Modules 8 MP, f/2.2, 28mm (wide), 1/3.2", 1.4µm, AF 8 MP, f/2.2, 1/3.2", 1.4µm, AF
Features LED flash, HDR LED flash, HDR
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 2 MP 1.6 MP
Video 720p 720p@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, hotspot
Bluetooth 4.0, A2DP, LE 4.0, A2DP, LE
Positioning GPS, GLONASS, BDS GPS, GLONASS
NFC No No
Infrared port No No
Radio Stereo FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Battery
Type Li-Po 2200 mAh, removable Li-Ion 2000 mAh, removable
Charging 10W wired, QC1
Misc
Colors Black, White, Yellow, Pink, Green Black, Chinese Red, Metallic Gray/ blue, green, yellow panels
SAR 0.70 W/kg (head)     0.70 W/kg (body)    
Models 2014817, 2014818, 2014816 2014011
Price About 130 EUR About 90 EUR
Tests
Performance Basemark OS II 2.0: 511 Basemark OS II 2.0: 454
Display Contrast ratio: 974:1 (nominal), 1.763 (sunlight) Contrast ratio: 1370 (nominal), 1.350 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 70dB / Noise 70dB / Ring 77dB Voice 66dB / Noise 65dB / Ring 71dB
Audio quality Noise -94.8dB / Crosstalk -95.8dB Noise -95.4dB / Crosstalk -82.3dB
Battery (old) Endurance rating 55h Endurance rating 51h

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