Phone Comparison - Apple iPhone 6s vs vivo X21 UD

Apple iPhone 6s
apple iphone 6s
vivo X21 UD
vivo x21 ud
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general General Info

Manufacturer Apple vivo
Announced September 2015 March 2018
Status Available - September 2015 Coming Soon - March 2018
Price Rs. 41,999 ($617.63) [Similarly Priced] Rs. 29,900 ($450.00) [Similarly Priced]
Colors Space Gray, Silver, Gold, Rose Gold Black, Aurora White, Ruby Red
Form Factor Candybar Candybar
Dimension 138.3 x 67.1 x 7.1 mm
(5.44 x 2.64 x 0.28 in)
154.5 x 74.8 x 7.4 mm
(6.08 x 2.94 x 0.29 in)
Weight 143 g (5.04 oz) 156.2 g (5.5.0.07 oz)
SIM Type - Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1700 / 1900 / 2100
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100
CDMA2000 1xEV-DO
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700) - A1688
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(
LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
SAR US 1.14 W/kg (head)
1.14 W/kg (body)
- W/kg (head)
- W/kg (body)
SAR EU 0.87 W/kg (head)
0.98 W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - Fingerprint sensor (TouchID v2)
- 3D Touch display
- Apple Pay (Visa, MasterCard, AMEX certified)
- Fingerprint Sensor
Notification LED - Yes

hardware Hardware and OS

OS iOS 9 Android 8.1 (Oreo)
User Interface - FunTouch OS 4.0
Processor 2 GHz Dual-core, Apple A9 [Similar] Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 [Similar]
GPU - Adreno 512 [Similar]
RAM 2 GB [Browse Similar] 6 GB [Browse Similar]
Internal Memory 16/64/128 GB 128 GB
External Memory No microSD, up to 256 GB (uses SIM 2 slot)

display Display

Type LED-backlit IPS LCD, Capacitive Touchscreen, Ion-Strengthened Glass, Oleophobic Coating Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors
Size 4.7 inches [Similar] 6.28 inches [Similar]
Resolution 750 x 1334 pixels (326 ppi) 1080 x 2280 pixels (402 ppi)
Screen-to-Body Ratio 65.45% 85.06%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio No FM radio
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 12 MP, 4608 x 2592 pixels [Similar] Dual 12 MP + 5 MP [Similar]
Flash Real-tone Flash LED Flash
Features Phase-Detection AutoFocus, Geo-tagging, Simultaneous HD Video And Image Recording, Touch Focus, Face/smile Detection, HDR (Photo/Panorama) 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
Video 2160p@30fps, 1080p@60fps, 720p@240fps 1080p@30fps
Front Camera 5 MP, 1080p@30fps, 720p@240fps [Similar] 12 MP, f/2.0, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps HSPA, LTE, 4G VoLTE
Bluetooth v4.1, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
USB v2.0, reversible connector microUSB 2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 (Safari) HTML5

memory User Memory

Internal 16/64/128 GB, 2 GB RAM 128 GB, 6 GB RAM
Expandable Storage No microSD, up to 256 GB (uses SIM 2 slot)
USB OTG - Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery (6.9 Wh) Non-removable Li-Ion Battery
Capacity 1715 mAh 3200 mAh
Stand by Up to 240 h (3G) -
Talk Time Up to 14 h (3G) -