Sharp Aquos Zero vs vivo X21i: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

WeightAquos Zero: 13 g lighterAquos Zero: 146 g · X21i: 159 g
WidthAquos Zero: 2 mm narrowerAquos Zero: 73 mm · X21i: 75 mm
ChipsetQualcomm SDM845 Snapdragon 845 (10 nm) / Mediatek MT6771 Helio P60 (12 nm)Aquos Zero: Qualcomm SDM845 Snapdragon 845 (10 nm) · X21i: Mediatek MT6771 Helio P60 (12 nm)
Rear camera layoutSingle / DualAquos Zero: Single · X21i: Dual
DepthX21i: 1.8 mm thinnerX21i: 7 mm · Aquos Zero: 8.8 mm
Release year2019 / 2018Aquos Zero: 2019 · X21i: 2018

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front

Side

1. Aquos Zero
Height
154 mm
Width
73 mm
Depth
8.8 mm+1.8 mm versus X21i

Weight
146 g
2. X21i
Height
154.4 mm
Width
75 mm+2 mm versus Aquos Zero
Depth
7 mm

Weight
159 g

Weight

Bars start at zero and share a scale within this chart.

1. Aquos Zero146 g
2. X21i159 g

+13 g versus Aquos Zero

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

Screen size

1. Aquos Zero 6.2 in · 18.7:9 About 96.9 cm² rectangular area
2. X21i 6.28 in · 19:9 About 98.4 cm² rectangular area

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM by storage capacity and phone
Storage	Aquos Zero	X21i
128 GB	6 GB RAM	Unknown

X21i: Original memory entry

128 GB · 4 GB RAM 64 GB · 6 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Aquos Zero

NFC: Yes
Headphone jack: No
Memory card support: No

2. X21i

NFC: Unknown
Headphone jack: Yes
Memory card support: See details microSD · up to 256 GB (uses SIM 2 slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

Bars start at zero and share a scale within this chart.

1. Aquos Zero3130 mAh
2. X21i3425 mAh

+295 mAh versus Aquos Zero

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Aquos Zero2. X21i

Everyday essentials

Everyday essentials
Specification	Aquos Zero	X21i
Dimensions (HxWxD)	154 Х 73 Х 8.8 mm	154.4 Х 75 Х 7 mm
Weight	146 g	159 g
Technology	OLED	Super AMOLED
Screen size	6.2" inch	6.28" inch
Screen resolution	1440 x 2992 px	1080 x 2280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128 GB 6 GB RAM	128 GB 4 GB RAM 64 GB 6 GB RAM
Memory card support	No	microSD up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	3130 mAh Non-removable Li-Ion	3425 mAh Non-removable Li-Ion
Operating system OS	Android 9.0 (Pie)	Android 8.1 (Oreo); Funtouch 4
Chipset	Qualcomm SDM845 Snapdragon 845 (10 nm)	Mediatek MT6771 Helio P60 (12 nm)
NFC	Yes	Unknown
Headphone jack	No	Yes

Display

Display
Specification	Aquos Zero	X21i
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	96.9 cm2	98.4 cm2
Screen format	18.7:9 (height:width)	19:9 (height:width)
Screen to body ratio	86.2%	85.0%
PPI /points per inch/	536 PPI	402 PPI
Screen protection	Corning Gorilla Glass 5	Unknown

Camera and Video

Camera and Video
Specification	Aquos Zero	X21i
Rear camera, main	22.6 MP Single	12 MP Dual
Camera specs	22.6 MP f/1.9 22 mm PDAF OIS	12 MP f/1.8 1/2.55'' 1.4µm dual pixel PDAF -5 MP f/2.0 depth sensor
Functions	HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	24 MP Single
Specifications	8 MP f/2.2 23 mm	24 MP

Performance

Performance
Specification	Aquos Zero	X21i
Processor CPU	Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU	Adreno 630	Mali-G72 MP3
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	275122	130256
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1497
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	5759

General specs

General specs
Specification	Aquos Zero	X21i
Release date	2019 January	2018 May
Colors	Meteorite black	Black Aurora White Ruby Red Night Purple
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	600 EUR	430 EUR
Body build	Front glass aluminum frame	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	Aquos Zero	X21i
SIM card	Nano-SIM	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100) 3(1800) 7(2600) 8(900) 28(700) 38(2600)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100) 3(1800) 4(1700/2100) 5(850) 8(900) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat15 1024/50 Mbps	HSPA LTE
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS GLONASS GALILEO QZSS	Yes with A-GPS GLONASS
USB	2.0 Type-C 1.0 reversible connector (PowerDelivery 2.0)	microUSB 2.0 USB On-The-Go
Bluetooth	5.0 A2DP LE	5.0 A2DP LE

Music and Audio

Music and Audio
Specification	Aquos Zero	X21i
Radio	No	FM radio
Others	DCI-P3 -HDR 10 -Dolby Vision Active noise cancellation with dedicated mic -24-bit/192kHz audio -Dolby Atmos	32-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features
Specification	Aquos Zero	X21i
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)	Sensors Fingerprint (rear-mounted) accelerometer proximity compass - Fast battery charging

Sharp Aquos Zero vs vivo X21i

Sharp Aquos Zero

vivo X21i

Key differences

Physical size

Screen size

Memory variants

Practical features

1. Aquos Zero

2. X21i

Battery capacity

Specifications

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