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Xiaomi Redmi Note 2

Xiaomi Mi 4

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Xiaomi Redmi Note 2
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Xiaomi Redmi Note 2

Xiaomi Mi 4

Network
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - all versions
  CDMA 800 / 1900 - Telecom 3G model
3G Network HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA - 4G model
  TD-SCDMA HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model, Telecom 3G model
  CDMA2000 1xEV-DO - Telecom 3G model
4G Network 1, 3, 7, 38, 39, 40, 41 38, 39, 40 - 4G model
Speed HSPA, LTE Cat4 150/50 Mbps HSPA, LTE, EV-DO Rev.A 3.1 Mbps
GPRS Yes Yes
EDGE Yes Yes
Launch
Announced 2015, August. Released 2015, August 2014, July. Released 2014, August
Status Discontinued Discontinued
Body
Dimensions 152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in)
Weight 160 g (5.64 oz) 149 g (5.26 oz)
Build Glass front, plastic back, plastic frame Glass front, plastic back, aluminum frame
SIM Dual SIM (Micro-SIM, dual stand-by) Micro-SIM
Display
Type IPS LCD IPS LCD
Size 5.5 inches, 82.6 cm2 (~71.5% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Platform
OS Android 5.0 (Lollipop), MIUI 7 Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10
Chipset Mediatek MT6795 Helio X10 (28 nm) Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU Octa-core 2.0 GHz Cortex-A53 - Redmi Note 2
Octa-core 2.2 GHz Cortex-A53 - Redmi Note 2 Prime
Quad-core 2.5 GHz Krait 400
GPU PowerVR G6200 Adreno 330
Memory
Card slot microSDXC (dedicated slot) - Chinese version only No
Internal 16GB 2GB RAM (Standard), 32GB 2GB RAM (Prime) 16GB 2GB RAM, 64GB 3GB RAM
 eMMC 5.0 eMMC 5.0
Main Camera
Modules 13 MP, f/2.2, PDAF 13 MP, f/1.8, 1/3.1", 1.12µm, AF
Features LED flash, HDR, panorama LED flash, panorama, HDR
Video 1080p@30fps 4K@30fps, 1080p@30fps, 720p@120fps, HDR
Selfie Camera
Modules 5 MP, f/2.0 8 MP, f/1.8
Video 720p 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth 4.0, A2DP, LE 4.0, A2DP
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC No No
Infrared port Yes Yes
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, barometer
Battery
Type Li-Po 3060 mAh, removable Li-Ion 3080 mAh, non-removable
Charging 10W wired 18W wired, QC2
Stand-by Up to 144 h (3G) Up to 280 h (3G)
Talk time Up to 11 h 30 min (3G)
Music play Up to 46 h
Misc
Colors White, blue, yellow, pink, mint green Black, White
SAR 0.34 W/kg (head)     0.45 W/kg (body)     0.71 W/kg (head)     0.85 W/kg (body)    
Models 2015051 2014215
Price About 160 EUR About 230 EUR
Tests
Performance Basemark OS II 2.0: 1063
Basemark X: 8518
Display Contrast ratio: 953 (nominal), 2.166 (sunlight) Contrast ratio: 929 (nominal), 2.424 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 66dB / Noise 66dB / Ring 76dB Voice 62dB / Noise 62dB / Ring 66dB
Audio quality Noise -96.1dB / Crosstalk -94.8dB Noise -91.6dB / Crosstalk -49.7dB
Battery (old) Endurance rating 49h Endurance rating 68h

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