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vivo iQOO Z1

vivo X51 5G

Network
Technology	GSM / CDMA / HSPA / LTE / 5G	GSM / CDMA / HSPA / LTE / 5G
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
	CDMA 800 / 1900 & TD-SCDMA	CDMA 800
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network	1, 2, 3, 4, 5, 8, 18, 19, 25, 26, 34, 38, 39, 40, 41	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G Network	1, 3, 41, 77, 78, 79 SA/NSA	1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA
Speed	HSPA, LTE, 5G	HSPA, LTE, 5G

Launch
Announced	2020, May 19	2020, October 21
Status	Available. Released 2020, June 01	Available. Released 2020, October 23

Body
Dimensions	164 x 75.6 x 8.9 mm (6.46 x 2.98 x 0.35 in)	158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in)
Weight	195 g (6.88 oz)	181.5 g (6.42 oz)
Build		Glass front, glass back, aluminum frame
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)

Display
Type	IPS LCD, 144Hz, HDR10	AMOLED, 90Hz, HDR10+
Size	6.57 inches, 104.0 cm2 (~83.9% screen-to-body ratio)	6.56 inches, 104.6 cm2 (~90.6% screen-to-body ratio)
Resolution	1080 x 2408 pixels, 20:9 ratio (~402 ppi density)	1080 x 2376 pixels (~398 ppi density)

Platform
OS	Android 10, iQOO UI 1.0	Android 10, Funtouch 10.0
Chipset	Mediatek Dimensity 1000+ (7nm)	Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
CPU	Octa-core (4x2.6 GHz Cortex-A77 & 4x2.0 GHz Cortex-A55)	Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
GPU	Mali-G77 MC9	Adreno 620

Memory
Card slot	No	No
Internal	128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM	256GB 8GB RAM
	UFS 2.1	UFS 2.1

Main Camera
Modules	48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro)	48 MP, f/1.6, (wide), PDAF, Laser AF, gimbal OIS 8 MP, f/3.4, 135mm (periscope telephoto), 1/4.0", PDAF, OIS, 5x optical zoom 13 MP, f/2.5, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, 2x optical zoom 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm
Features	LED flash, HDR, panorama	Dual-LED dual-tone flash, HDR, panorama
Video	4K@30fps, 1080p@30fps; gyro-EIS	4K@30fps, 1080p@30fps, gyro-EIS

Selfie Camera
Modules	16 MP, f/2.0, (wide)	32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm
Features	HDR	HDR
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	No
	24-bit/192kHz Hi-Res audio	32-bit/192kHz Hi-Res audio

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE, aptX HD	5.1, A2DP, LE, aptX HD
Positioning	GPS, GLONASS, BDS, GALILEO	GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes
Infrared port	No	No
Radio	No	No
USB	USB Type-C 2.0, OTG	USB Type-C 2.0, OTG

Features
Sensors	Fingerprint (side-mounted), accelerometer, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum

Battery
Type	4500 mAh, non-removable	4315 mAh, non-removable
Charging	44W wired, 50% in 23 min, 100% in 59 min (advertised)	33W wired, 57% in 30 min (advertised)

Misc
Colors	Galaxy Silver, Space blue	Gray
Models	V1986A	XE710
Price	About 280 EUR	About 760 EUR