Comparison of Vivo X21i and Vivo X20

Comparison of Vivo X21i and Vivo X20 [S]ave

Attribute	Vivo X20 ×	Vivo X21i ×
General
Brand	Vivo	Vivo
Launch
Announced	2017-09-01	2018-05-01
Body
Width (mm)	7.2	7
Length (mm)	155.9	154.4
Height (mm)	75.2	75
Weight (g)	159	159
SIM	Hybrid Dual SIM (Nano-SIM, dual stand-by)	Hybrid Dual SIM (Nano-SIM, dual stand-by)
Front	Glass	-
Back	Aluminum	-
Frame	Aluminum	-
Network
Technology	CDMA GSM HSPA LTE	CDMA GSM HSPA LTE
2G bands	CDMA 800 & TD GSM 900 / 1800 - SIM 1 & SIM 2	CDMA 800 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 2100
4G bands	1, 2, 3, 4, 5, 8, 1, 2, 3, 5, 7, 8, 34, 38, 39, 40, 41	1, 3, 4, 5, 8, 38, 39, 40, 41
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps LTE
Platform
OS	Android 7.1.1 (Nougat)	Android 8.1 (Oreo)
Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)	Mediatek MT6771 Helio P60 (12 nm)
CPU	Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU	Adreno 512	Mali-G72 MP3
Memory
Card slot	microSDXC (uses shared SIM slot)	microSDXC (uses shared SIM slot)
Internal	64GB 4GB RAM	128GB 4GB RAM 64GB 6GB RAM
Display
Size (in)	6.01	6.28
Resolution (px)	1080 x 2160	1080 x 2280
Display Type	Super AMOLED	Super AMOLED
Battery
Type	Li-Ion	Li-Ion
Charging	Fast charging 18W	Fast charging 18W
Capcity (mAh)	3250	3425
Main Camera
Main Camera Type	Dual	Dual
Main Camera Properties	12 MP, f/1.8, AF 5 MP, f/2.4, (depth)	12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.4, (depth)
Main Camera Video	1080p@30fps	1080p@30fps
Main Camera Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	12 MP, f/2.0, (wide), 1/2.8", 1.28µm	24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
GPS	+	+
NFC	-	-
Radio	No	FM radio
USB	microUSB 2.0, USB On-The-Go	microUSB 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (rear-mounted) accelerometer compass gyro proximity	Fingerprint (rear-mounted) accelerometer compass proximity
Misc
Colors	Black/Gold Blue Gold Matte Black Pink Rose gold	Aurora White Black Night Purple Ruby Red
Models	1721 X20A	X21i A