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Apple iPhone 7 vs vivo X21

Compare recorded specifications, size and practical differences.

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    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 7:
      LCD
      X21:
      OLED

    • Weight

      iPhone 7: 18.2 g lighter

      iPhone 7:
      138 g
      X21:
      156.2 g

    • Width

      iPhone 7: 7.7 mm narrower

      iPhone 7:
      67.1 mm
      X21:
      74.8 mm

    • Screen diagonal

      iPhone 7: 1.58 in smaller diagonal

      iPhone 7:
      4.7 in
      X21:
      6.28 in

    • Memory variants

      At 128 GB storage

      iPhone 7:
      2 GB RAM
      X21:
      6 GB RAM

    • Chipset

      iPhone 7:
      Apple A10 Fusion (16 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. 1. iPhone 7

      Height:
      138.3 mm
      Width:
      67.1 mm
      Depth:
      7.1 mm

    2. 2. X21

      Height:
      154.5 mm +16.2 mm versus iPhone 7
      Width:
      74.8 mm +7.7 mm versus iPhone 7
      Depth:
      7.4 mm

    Weight

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

    1. 1. iPhone 7

      138 g

    2. 2. X21

      156.2 g

      +18.2 g versus iPhone 7

    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. 1. iPhone 7

      Screen diagonal:
      4.7 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      60.9 cm²

    2. 2. X21

      Screen diagonal:
      6.28 in
      Aspect ratio (height:width):
      19:9
      Approximate rectangular screen area:
      98.4 cm²

    X21 has approximately 61.6% more rectangular screen area than iPhone 7.

    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 7, X21, compared at the same storage capacity.
    StorageiPhone 7X21
    32 GB 2 GB RAM Not recorded
    64 GB Not recorded 6 GB RAM
    128 GB Recorded for all phones 2 GB RAM 6 GB RAM
    256 GB 2 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 7

    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. 1. iPhone 7

      1960 mAh

    2. 2. X21

      3200 mAh

      +1240 mAh versus iPhone 7

    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 72. X21

    Everyday essentials
    Everyday essentials — specifications for iPhone 7, X21.
    SpecificationiPhone 7X21
    Dimensions (HxWxD)
    • 138.3 Х 67.1 Х 7.1 mm
    • 154.5 Х 74.8 Х 7.4 mm
    Weight
    • 138 g
    • 156.2 g
    Technology
    • LED-backlit IPS LCD
    • Super AMOLED
    Screen size
    • 4.7" inch
    • 6.28" inch
    Screen resolution
    • 750 x 1334 px
    • 1080 x 2280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32/128/256 GB
    • 2 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.
    • 1960 mAh
    • Non-removable Li-Ion
    • 3200 mAh
    • Non-removable Li-Ion
    Operating system OS
    • iOS 10.0.1
    • upgradable to iOS 12.1.3
    • Android 8.1 (Oreo); Funtouch 4
    Chipset
    • Apple A10 Fusion (16 nm)
    • Qualcomm SDM660 Snapdragon 660 (14 nm)
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • No
    • Yes
    Display
    Display — specifications for iPhone 7, X21.
    SpecificationiPhone 7X21
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 60.9 cm2
    • 98.4 cm2
    Screen format
    • 16:9 (height:width)
    • 19:9 (height:width)
    Screen to body ratio
    • 65.6%
    • 85.2%
    PPI /points per inch/
    • 326 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 7, X21.
    SpecificationiPhone 7X21
    Rear camera, main
    • 12 MP
    • Single
    • 12 MP
    • Dual
    Camera specs
    • 12 MP
    • f/1.8
    • 28mm (wide)
    • 1/3''
    • OIS
    • 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
    • panorama
    • 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 *
    • 85
    		 Unknown
    DxOMark Photo *
    • 85
    		 Unknown
    DxOMark Video *
    • 85
    		 Unknown
    Performance

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

    Performance — specifications for iPhone 7, X21.
    SpecificationiPhone 7X21
    Processor CPU
    • Quad-core 2.34 GHz (2x Hurricane + 2x Zephyr)
    • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
    Graphics processor GPU
    • PowerVR Series7XT Plus (six-core graphics)
    • Adreno 512
    Antutu 7 score *
    • 178965
    • 143728
    GeekBench 4 Single Core *
    • 3410
    • 1806
    GeekBench 4 Multi-Core *
    • 5745
    • 4240
    Antutu 8 score *
    • 200633
    		 Unknown
    GeekBench 4 Battery *
    • 1927
    		 Unknown
    General specs
    General specs — specifications for iPhone 7, X21.
    SpecificationiPhone 7X21
    Release date
    • 2016
    • September
    • 2018
    • March
    Colors
    • Jet Black
    • Black
    • Silver
    • Gold
    • Rose Gold
    • Red
    • Black
    • Aurora White
    • Ruby Red
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 550 EUR
    • 450 EUR
    Battery life
    • Talking time- Up to 14 h (3G) Music play - Up to 40 h
    		 Unknown
    Body build
    • Front glass
    • aluminum body
    • Front glass
    • aluminum body
    Communication and Connectivity
    Communication and Connectivity — specifications for iPhone 7, X21.
    SpecificationiPhone 7X21
    SIM card
    • Nano-SIM
    • Hybrid Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - A1660
    • A1778 CDMA 800 / 1900 / 2100 - A1660 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A1660
    • A1778 CDMA2000 1xEV-DO & TD-SCDMA - A1660 -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)
    • 27(800)
    • 28(700)
    • 29(700)
    • 30(2300)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500) - A1660
    • A1778
    • 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) Cat9 450/50 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
    • 4.2
    • A2DP
    • LE
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR - 1.19 W/kg (head) 1.19 W/kg (body) SAR EU - 1.38 W/kg (head) 1.34 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for iPhone 7, X21.
    SpecificationiPhone 7X21
    Radio
    • No
    • FM radio
    Others
    • Wide color gamut -3D Touch display & home button
    • Active noise cancellation with dedicated mic
    • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for iPhone 7, X21.
    SpecificationiPhone 7X21
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • barometer - Siri natural language commands and dictation - IP67 dust/water resistant (up to 1m for 30 mins) -Apple Pay (Visa
    • MasterCard
    • AMEX certified)
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • compass - Fast battery charging

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