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Xiaomi Redmi 1S

vivo Y15 (2013)

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Xiaomi Redmi 1S
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Xiaomi Redmi 1S

vivo Y15 (2013)

Network
Technology GSM / HSPA GSM / HSPA
2G bands GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 2100
Speed HSPA HSPA 2.8/2.2 Mbps
Launch
Announced 2014, May. Released 2014, May 2013. Released 2013
Status Discontinued Discontinued
Body
Dimensions 137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in) 131.4 x 66.2 x 9 mm (5.17 x 2.61 x 0.35 in)
Weight 158 g (5.57 oz) 130 g (4.59 oz)
Build Glass front (Asahi Dragontrail), plastic back, plastic frame Glass front, plastic back, plastic frame
SIM Dual SIM (Mini-SIM, dual stand-by) Dual 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) 4.5 inches, 55.8 cm2 (~64.1% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~312 ppi density) 480 x 854 pixels, 16:9 ratio (~218 ppi density)
Protection Asahi Dragontrail Glass Scratch-resistant glass
Platform
OS Android 4.3 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 9.2 Android 4.2.2 (Jelly Bean)
Chipset Qualcomm MSM8228 Snapdragon 400 (28 nm) Mediatek MT6582 (28 nm)
CPU Quad-core 1.6 GHz Cortex-A7 Quad-core 1.3 GHz Cortex-A7
GPU Adreno 305 Mali-400MP2
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 8GB 1GB RAM 4GB 512MB RAM
 eMMC 4.5
Main Camera
Modules 8 MP, f/2.2, 1/3.2", 1.4µm, AF 5 MP, AF
Features LED flash, HDR LED flash
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 1.6 MP 2 MP
Video 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, EDR, LE
Positioning GPS, GLONASS GPS
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 Accelerometer, proximity, compass
Battery
Type Li-Ion 2000 mAh, removable Li-Ion 1900 mAh, removable
Stand-by Up to 410 h (2G) / Up to 410 h (3G)
Talk time Up to 10 h (2G) / Up to 8 h (3G)
Music play Up to 45 h
Misc
Colors Black, Chinese Red, Metallic Gray/ blue, green, yellow panels White, Black
SAR 0.68 W/kg (head)     1.08 W/kg (body)    
SAR EU 0.53 W/kg (head)     0.81 W/kg (body)    
Models 2014011 Y15
Price About 90 EUR About 110 EUR
Tests
Performance Basemark OS II 2.0: 454
Display Contrast ratio: 1370 (nominal), 1.350 (sunlight)
Loudspeaker Voice 66dB / Noise 65dB / Ring 71dB
Audio quality Noise -95.4dB / Crosstalk -82.3dB
Battery (old) Endurance rating 51h

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