Apple iPhone 8 Plus vs vivo X21: 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.

Display technology

OLED versus LCD

iPhone 8 Plus:

LCD

X21:

OLED
Weight

X21: 45.8 g lighter

iPhone 8 Plus:

202 g

X21:

156.2 g
Width

X21: 3.3 mm narrower

iPhone 8 Plus:

78.1 mm

X21:

74.8 mm
Screen diagonal

iPhone 8 Plus: 0.78 in smaller diagonal

iPhone 8 Plus:

5.5 in

X21:

6.28 in
Memory variants

At 64 GB storage

iPhone 8 Plus:

3 GB RAM

X21:

6 GB RAM
Chipset

iPhone 8 Plus:

Apple A11 Bionic (10 nm)

X21:

Qualcomm SDM660 Snapdragon 660 (14 nm)

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.

1. iPhone 8 Plus

Height:

158.4 mm +3.9 mm versus X21
Width:

78.1 mm +3.3 mm versus X21
Depth:

7.5 mm
2. X21

Height:

154.5 mm
Width:

74.8 mm
Depth:

7.4 mm

Weight

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

1. iPhone 8 Plus

202 g

+45.8 g versus X21
2. X21

156.2 g

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.

1. iPhone 8 Plus

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²
2. X21

Screen diagonal:

6.28 in

Aspect ratio (height:width):

19:9

Approximate rectangular screen area:

98.4 cm²

X21 has approximately 18% more rectangular screen area than iPhone 8 Plus.

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 for iPhone 8 Plus, X21, compared at the same storage capacity.
Storage	iPhone 8 Plus	X21
64 GB Recorded for all phones	3 GB RAM	6 GB RAM
128 GB	Not recorded	6 GB RAM
256 GB	3 GB RAM	Not recorded

Practical features

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

1. iPhone 8 Plus

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

2. X21

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 battery capacity

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

1. iPhone 8 Plus

2691 mAh
2. X21

3200 mAh

+509 mAh versus iPhone 8 Plus

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. iPhone 8 Plus2. X21

Everyday essentials

Everyday essentials — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
Dimensions (HxWxD)	158.4 Х 78.1 Х 7.5 mm	154.5 Х 74.8 Х 7.4 mm
Weight	202 g	156.2 g
Technology	LED-backlit IPS LCD	Super AMOLED
Screen size	5.5" inch	6.28" inch
Screen resolution	1080 x 1920 px	1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64/256 GB 3 GB RAM	64/128 GB 6 GB RAM
Memory card support	No	microSD up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	2691 mAh Non-removable Li-Ion	3200 mAh Non-removable Li-Ion
Operating system OS	iOS 11 upgradable to iOS 12.1.3	Android 8.1 (Oreo); Funtouch 4
Chipset	Apple A11 Bionic (10 nm)	Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC	Yes	Unknown
Headphone jack	No	Yes

Display

Display — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	83.4 cm2	98.4 cm2
Screen format	16:9 (height:width)	19:9 (height:width)
Screen to body ratio	67.4%	85.2%
PPI /points per inch/	401 PPI	402 PPI
Screen protection	Ion-strengthened glass oleophobic coating	Unknown

Camera and Video

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Camera and Video — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
Rear camera, main	12 MP Dual	12 MP Dual
Camera specs	12 MP f/1.8 28mm (wide) OIS PDAF -12 MP f/2.8 57mm (telephoto) 2x optical zoom PDAF	12 MP f/1.8 1/2.55'' 1.4µm dual pixel PDAF -5 MP f/2.4 depth sensor
Functions	Face detection HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	7 MP Single	12 MP Single
Specifications	7 MP f/2.2 32mm (standard)	12 MP f/2.0
DxOMark Main Score *	94	Unknown
DxOMark Photo *	96	Unknown
DxOMark Video *	89	Unknown

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
Processor CPU	Hexa-core (2x Monsoon + 4x Mistral)	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU	Apple GPU (three-core graphics)	Adreno 512
Antutu 7 score *	232145	143728
GeekBench 4 Single Core *	4224	1806
GeekBench 4 Multi-Core *	10193	4240
Antutu 8 score *	305167	Unknown
GeekBench 4 Battery *	2842	Unknown

General specs

General specs — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
Release date	2017 September	2018 March
Colors	Gold Space Gray Silver Red	Black Aurora White Ruby Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	770 EUR	450 EUR
Battery life	Talking time- Up to 21 h (3G) Music play - Up to 60 h	Unknown
Body build	Front/back glass aluminum frame	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
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 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 18(800) 19(800) 20(800) 25(1900) 26(850) 28(700) 29(700) 30(2300) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) 66(1700/2100)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 5(850) 8(900) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat12 600/150 Mbps EV-DO Rev.A 3.1 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band 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 proprietary reversible connector	microUSB 2.0 USB On-The-Go
Bluetooth	5.0 A2DP LE	5.0 A2DP LE
Harmful irradiation	SAR - 1.19 W/kg (head) 1.19 W/kg (body) SAR EU - 0.99 W/kg (head) 0.99 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
Radio	No	FM radio
Others	Wide color gamut -3D Touch display & home button -True-tone Active noise cancellation with dedicated mic	32-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features — specifications for iPhone 8 Plus, X21.
Specification	iPhone 8 Plus	X21
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass barometer - Fast battery charging: 50% in 30 min -Qi wireless charging -Siri natural language commands and dictation - IP67 dust/water resistant (up to 1m for 30 mins) -Apple Pay (Visa MasterCard AMEX certified) - Versions: A1864 (USA Hong Kong Australia New Zealand China) A1897 (EMEA UAE LATAM Canada USA AT&T/T-Mobile Singapore); A1898 (Japan)	Sensors Fingerprint (rear-mounted) accelerometer proximity compass - Fast battery charging

Apple iPhone 8 Plus vs vivo X21

Apple iPhone 8 Plus

vivo X21

Key differences