Product
Vivo X20
Vivo X20
Apple iPhone 7
Apple iPhone 7
Battery
Talk time - Up to 14 h (3G)
Type Li-Ion 3250 mAh, non-removable Li-Ion 1960 mAh, non-removable (7.45 Wh)
Body
Build Glass front, aluminum back, aluminum frame Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 155.9 x 75.2 x 7.2 mm (6.14 x 2.96 x 0.28 in) 138.3 x 67.1 x 7.1 mm (5.44 x 2.64 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 159 g (5.61 oz) 138 g (4.87 oz)
- IP67 dust/water resistant (up to 1m for 30 min)Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
NFC No Yes
Positioning GPS GPS, GLONASS, GALILEO, QZSS
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
Resolution 1080 x 2160 pixels, 18:9 ratio (~402 ppi density) 750 x 1334 pixels, 16:9 ratio (~326 ppi density)
Size 6.01 inches, 93.2 cm2 (~79.5% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~65.6% screen-to-body ratio)
Type Super AMOLED Retina IPS LCD, 625 nits (typ)
- 3D Touch display & home button
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2017, September. Released 2017, October 2016, September 07. Released 2016, September 16
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.8, AF 5 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama Quad-LED dual-tone flash, HDR
Single - 12 MP, f/1.8, 28mm (wide), 1/3.0", PDAF, OIS
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps, 720p@240fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 4GB RAM 32GB 2GB RAM, 128GB 2GB RAM, 256GB 2GB RAM
eMMC 5.1 NVMe
Misc
Colors Matte Black, Black/Gold, Gold, Rose gold, Blue, Pink Jet Black, Black, Silver, Gold, Rose Gold, Red
Models X20A, 1721 A1660, A1778, A1779, A1780, A1853, A1866, iPhone9,1, iPhone9,3
SAR -
SAR EU -
Network
2G bands GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - A1660, A1778
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A1660, A1778
4G bands 1, 2, 3, 5, 7, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 38, 39, 40, 41 - A1660, A1778
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
1, 2, 3, 4, 5, 8, - X20A CDMA2000 1xEV-DO & TD-SCDMA - A1660
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Apple A10 Fusion (16 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Quad-core 2.34 GHz (2x Hurricane + 2x Zephyr)
GPU Adreno 512 PowerVR Series7XT Plus (six-core graphics)
OS Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.2 iOS 10.0.1, upgradable to iOS 15.8.4
Selfie camera
Features - Face detection, HDR, panorama
Single 7 MP, f/2.2, 32mm (standard)
Video 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
32-bit/192kHz audio -
Tests
Audio quality - Noise -92.4dB / Crosstalk -80.9dB
Battery (old) - Endurance rating 61h
Camera - Photo / Video
Display - Contrast ratio: 1603:1 (nominal), 3.964 (sunlight)
Loudspeaker - Voice 67dB / Noise 73dB / Ring 75dB
Performance - Basemark OS II 2.0: 3416