Xiaomi Redmi 4 (China) vs Yezz Classic C21
Xiaomi Redmi 4 (China)
Yezz Classic C21
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA-
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)-
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HSPA speedHSPA-
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LTE speedLTE-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2016-112014-3
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Status2016-112014-4
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Design
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SIMDual SIMDual SIM (Mini-SIM)
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Height141.3 mm106 mm
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Width69.6 mm45 mm
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Thickness8.9 mm14.5 mm
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Weight156 g73 g
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ColorsDark Gray, Gold, SilverBlack, Blue, Gray, Green, Purple, Red, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size5.0 inches1.8 inches
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Resolution720 x 1280 pixels128 x 160 pixels
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Pixel density296 ppi114 ppi
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Display colors1677721666560
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MultitouchYes-
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Hardware
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CPUOcta-core 1.4 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8937 Snapdragon 430-
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GPUAdreno 505-
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Memory RAM2 GB-
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Internal storage16 GB64 MB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max256 GB8 GB
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OS
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OSAndroid 6.0.1 (Marshmallow)-
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Main camera
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Main camera13 MP, f/2.2
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Primary camera resolution-640 x 480 pixels
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Primary camera video1080p@30fpsno
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, HDR, face/smile detection, panorama, touch focus-
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Selfie camera
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Secondary camera-No
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Selfie camera5 MP, f/2.2
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Selfie camera video1080p-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.1v2.1
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Bluetooth A2DPYes-
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bluetooth LEYes-
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InfraredYes-
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GPSYes, with A-GPSNo
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GLONASSYes-
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BDSYes-
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIMIM
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Messaging Push MailPush Mail-
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WAP-Yes
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JavaNoNo
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4100 mAh600 mAh
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Battery removableNon-removable-
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Fast battery chargingYes-
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Talk time-4 h
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Standby time-150 h