Product
Vivo X20 Plus UD
Vivo X20 Plus UD
₹56,038
Apple iPhone 6
Apple iPhone 6
₹71,500
Battery
Charging 22.5W wired -
Stand-by - Up to 250 h (3G)
Talk time - Up to 14 h (3G)
Type Li-Ion 3900 mAh, non-removable Li-Po 1810 mAh, non-removable (6.9 Wh)
Body
Build Glass front, aluminum back, aluminum frame Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 155.3 x 80.1 x 7.5 mm (6.11 x 3.15 x 0.30 in) 138.1 x 67 x 6.9 mm (5.44 x 2.64 x 0.27 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 181.5 g (6.42 oz) 129 g (4.55 oz)
  - Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP, LE
NFC No Yes (Apple Pay only)
Positioning GPS GPS, GLONASS
Radio No No
USB microUSB 2.0, OTG Lightning, USB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Display
Protection - Ion-strengthened glass, oleophobic coating
Resolution 1080 x 2160 pixels, 18:9 ratio (~376 ppi density) 750 x 1334 pixels, 16:9 ratio (~326 ppi density)
Size 6.43 inches, 106.7 cm2 (~85.8% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~65.8% screen-to-body ratio)
Type Super AMOLED IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2018, January. Released 2018, January 2014, September 09. Released 2014, September 19
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.8, AF 5 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama Dual-LED dual-tone flash, HDR
Single - 8 MP, f/2.2, 29mm (standard), 1/3.0", 1.5µm, PDAF
Video 1080p@30fps 1080p@60fps, 720p@240fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 128GB 4GB RAM 16GB 1GB RAM, 32GB 1GB RAM, 64GB 1GB RAM, 128GB 1GB RAM
  eMMC 5.1 -
Misc
Colors Matte Black, Gold, Rose gold Space Gray, Silver, Gold
Models - A1549, A1586, A1589, A1522, A1524, A1593, iPhone7,2
SAR - 1.18 W/kg (head)     1.18 W/kg (body)    
SAR EU - 0.98 W/kg (head)     0.97 W/kg (body)    
Network
2G bands GSM 900 / 1800 GSM 850 / 900 / 1800 / 1900 - A1549 (GSM), A1549 (CDMA), A1586
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1549 (GSM), A1549 (CDMA), A1586
4G bands 1, 2, 3, 4, 5, 8, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29 - A1549 GSM, A1549 CDMA
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  CDMA 800 & TD-SCDMA 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29, 38, 39, 40, 41 - A1586
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Apple A8 (20 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Dual-core 1.4 GHz Typhoon (ARM v8-based)
GPU Adreno 512 PowerVR GX6450 (quad-core graphics)
OS Android 7.1.1 (Nougat), Funtouch 3.2 iOS 8, upgradable to iOS 12.5.7
Selfie camera
Features - face detection, HDR, FaceTime over Wi-Fi or Cellular
Single 12 MP, f/2.0, (wide), 1/2.8", 1.28µm 1.2 MP, f/2.2, 31mm (standard)
Video 720p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  32-bit/192kHz Hi-Res audio 16-bit/44.1kHz audio
Tests
Audio quality - Noise -94dB / Crosstalk -73.4dB
Battery (old) - Endurance rating 61h
Camera - Photo / Video
Display - Contrast ratio: 1213 (nominal), 3.838 (sunlight)
Loudspeaker - Voice 66dB / Noise 65dB / Ring 72dB
Performance - Basemark X: 15841
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