Phone Comparison - vivo X21 UD vs Vivo V9 Youth

vivo X21 UD
vivo x21 ud
Vivo V9 Youth
vivo v9 youth
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general General Info

Manufacturer vivo vivo
Announced March 2018 March 2018
Status Coming Soon - March 2018 Available - April 2018
Price Rs. 29,900 ($450.00) [Similarly Priced] Rs. 18,990 ($289.00) [Similarly Priced]
Colors Black, Aurora White, Ruby Red Rose Gold, Black
Form Factor Candybar Candybar
Dimension 154.5 x 74.8 x 7.4 mm
(6.08 x 2.94 x 0.29 in)
154.81 x 75.03 x 7.89 mm
(6.09 x 2.95 x 0.31 in)
Weight 156.2 g (5.5.0.07 oz) 150 g (5.29 oz)
SIM Type Hybrid Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - Fingerprint Sensor
- Fingerprint Sensor
Notification LED Yes Yes

hardware Hardware and OS

OS Android 8.1 (Oreo) Android OS, v8.1 (Oreo)
User Interface FunTouch OS 4.0 FunTouch OS 4.0
Processor Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 [Similar] Octa-core 1.8 GHz Cortex-A53, Qualcomm Snapdragon 450 [Similar]
GPU Adreno 512 [Similar] Adreno 506 [Similar]
RAM 6 GB [Browse Similar] 4 GB [Browse Similar]
Internal Memory 128 GB 32 GB
External Memory microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB

display Display

Type Super AMOLED Capacitive Touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors
Size 6.28 inches [Similar] 6.3 inches [Similar]
Resolution 1080 x 2280 pixels (402 ppi) 1080 x 2280 pixels (400 ppi)
Screen-to-Body Ratio 85.06% 85.48%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera Dual 12 MP + 5 MP [Similar] Dual 16 MP + 2 MP [Similar]
Flash LED Flash Dual-LED Dual-tone Flash
Features Phase Detection Autofocus, f/1.8 + f/2.4 aperture, Dual Pixel PDAF, 1/2.5", 1.4 µm, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Phase Detection Autofocus, f/2.0 aperture lens, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps
Front Camera 12 MP, f/2.0, 1080p [Similar] 16 MP, f/2.0 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA, LTE, 4G VoLTE HSPA, LTE, 4G, VoLTE
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot
USB microUSB 2.0, USB On-The-Go microUSB 2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5

memory User Memory

Internal 128 GB, 6 GB RAM 32 GB, 4 GB RAM
Expandable Storage microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB
USB OTG Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
Light Sensor light sensor present light sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Capacity 3200 mAh 3260 mAh
Stand by - -
Talk Time - -