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Xiaomi Redmi 2

Xiaomi Redmi Note 4

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Xiaomi Redmi 2

Xiaomi Redmi Note 4

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
  TD-SCDMA
4G Network 3, 7, 38, 39, 40, 41 1, 3, 4, 5, 7, 8, 20, 38, 40
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Launch
Announced 2015, January. Released 2015, January 2017, January
Status Discontinued Available. Released 2017, January
Body
Dimensions 134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in) 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
Weight 133 g (4.69 oz) 165 g (5.82 oz)
Build Glass front (Gorilla Glass 2), plastic back, plastic frame Glass front, aluminum back, aluminum frame
SIM Dual SIM (Micro-SIM, dual stand-by) Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display
Type IPS LCD IPS LCD
Size 4.7 inches, 60.9 cm2 (~67.6% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~312 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection Corning Gorilla Glass 2
Platform
OS Android 4.4.4 (KitKat), MIUI 6.0 Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 11
Chipset Qualcomm MSM8916 Snapdragon 410 (28 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Quad-core 1.2 GHz Cortex-A53 Octa-core 2.0 GHz Cortex-A53
GPU Adreno 306 Adreno 506
Memory
Card slot microSDHC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 8GB 1GB RAM, 16GB 2GB RAM 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
 eMMC 4.5 eMMC 5.1
Main Camera
Modules 8 MP, f/2.2, 28mm (wide), 1/3.2", 1.4µm, AF 13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Features LED flash, HDR Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps 1080p@30fps, 720p@120fps
Selfie Camera
Modules 2 MP 5 MP, f/2.0
Video 720p 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
  24-bit/192kHz audio
Comms
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth 4.0, A2DP, LE 4.1, A2DP, LE
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC No No
Infrared port No Yes
Radio Stereo FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Type Li-Po 2200 mAh, removable Li-Po 4100 mAh, non-removable
Charging 10W wired, QC1
Misc
Colors Black, White, Yellow, Pink, Green Dark Gray, Gold, Black, Lake Blue
SAR 0.70 W/kg (head)     0.70 W/kg (body)    
SAR EU 0.72 W/kg (head)     0.67 W/kg (body)    
Models 2014817, 2014818, 2014816 2016100
Price About 130 EUR About 150 EUR
Tests
Performance Basemark OS II 2.0: 511 GFXBench: 3.4fps (ES 3.1 onscreen)
Display Contrast ratio: 974:1 (nominal), 1.763 (sunlight) Contrast ratio: 1503:1 (nominal), 2.714 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 70dB / Noise 70dB / Ring 77dB Voice 67dB / Noise 70dB / Ring 81dB
Audio quality Noise -94.8dB / Crosstalk -95.8dB Noise -94.6dB / Crosstalk -94.3dB
Battery (old) Endurance rating 55h Endurance rating 119h

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