Xiaomi Mi A3 vs vivo Z1x

Phones Images

PHONES
Phone Names	Xiaomi Mi A3	vivo Z1x

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700 / 1900 / 2100	HSDPA 850 / 900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40	1, 3, 5, 8, 38, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps	HSPA, LTE
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE

Launch
Announced	2019, July 17. Released 2019, July 24	2019, September. Released 2019, September
Status	Discontinued	Discontinued

Body
Build	Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame	Glass front, plastic back, plastic frame
Dimensions	153.5 x 71.9 x 8.5 mm (6.04 x 2.83 x 0.33 in)	159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	173.8 g (6.14 oz)	189.6 g (6.70 oz)

Display
Protection	Corning Gorilla Glass 5	-
Resolution	720 x 1560 pixels, 19.5:9 ratio (~282 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Size	6.09 inches, 91.0 cm2 (~82.5% screen-to-body ratio)	6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio)
Type	Super AMOLED	Super AMOLED
	-	Always-on display

Platform
CPU	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Chipset	Qualcomm SDM665 Snapdragon 665 (11 nm)	Qualcomm SDM712 Snapdragon 712 (10 nm)
GPU	Adreno 610	Adreno 616
OS	Android 9.0 (Pie), upgradable to Android 11, Android One	Android 9.0 (Pie), upgradable to Android 10, Funtouch 10

Memory
Card slot	microSDXC (uses shared SIM slot)	No
Internal	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM	64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
	UFS 2.1	UFS 2.1

Main Camera
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Triple	48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens	48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide) Auxiliary lens
Video	4K@30fps, 1080p@30/60/120fps	4K@30fps, 1080p@30fps

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

Sound
3.5mm jack	Yes	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes	Yes

Comms
Bluetooth	5.0, A2DP, LE, aptX HD	5.0, A2DP, LE, aptX
Infrared port	Yes	-
NFC	No	No
Positioning	GPS, GLONASS, BDS	GPS, GLONASS
Radio	FM radio	FM radio
USB	USB Type-C 2.0	USB Type-C 2.0, OTG
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, Wi-Fi Direct

Features
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, proximity, compass

Battery
Charging	18W wired, QC3	22.5W wired 5W reverse wired
Type	Li-Po 4030 mAh, non-removable	4500 mAh, non-removable

Misc
Colors	Kind of Gray, Not just Blue, More than White	Fusion Blue, Phantom Purple
Models	M1906F9SH, M1906F9SI	1917, PD1921F_EX
Price	About 230 EUR	About 220 EUR
SAR	0.53 W/kg (head)     0.72 W/kg (body)	1.03 W/kg (head)     0.55 W/kg (body)
SAR EU	0.30 W/kg (head)     1.10 W/kg (body)	-

Tests
Audio quality	Noise -93.7dB / Crosstalk -93.0dB	-
Battery life	Endurance rating 101h	-
Camera	Photo / Video	-
Display	Contrast ratio: Infinite (nominal)	-
Loudspeaker	Voice 74dB / Noise 74dB / Ring 81dB	-
Performance	Basemark OS II 2.0: 2345Basemark X: 17948	-

OUR TESTS
Audio quality	Noise -93.7dB / Crosstalk -93.0dB	-
Battery (old)	Endurance rating 101h	-
Camera	Photo / Video	-
Display	363 nits max brightness (measured)	-
Loudspeaker	Voice 74dB / Noise 74dB / Ring 81dB	-
Performance	Basemark OS II 2.0: 2345Basemark X: 17948	-