Sony Xperia X 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

    Xperia X:
    LCD
    X21:
    OLED
  • Width

    Xperia X: 5.8 mm narrower

    Xperia X:
    69 mm
    X21:
    74.8 mm
  • Screen diagonal

    Xperia X: 1.28 in smaller diagonal

    Xperia X:
    5 in
    X21:
    6.28 in
  • Chipset

    Xperia X:
    Qualcomm MSM8956 Snapdragon 650
    X21:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    Xperia X:
    Single
    X21:
    Dual
  • Height

    Xperia X: 11.5 mm shorter

    Xperia X:
    143 mm
    X21:
    154.5 mm

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. Xperia X

    Height:
    143 mm
    Width:
    69 mm
    Depth:
    7.7 mm
  2. 2. X21

    Height:
    154.5 mm +11.5 mm versus Xperia X
    Width:
    74.8 mm +5.8 mm versus Xperia X
    Depth:
    7.4 mm

Weight

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

  1. 1. Xperia X

    153 g

  2. 2. X21

    156.2 g

    +3.2 g versus Xperia X

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. Xperia X

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 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 42.8% more rectangular screen area than Xperia X.

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 Xperia X, X21, compared at the same storage capacity.
StorageXperia XX21
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
Xperia X: Original memory entry

32 GB · 3 GB RAM - F512164 GB · 3 GB RAM - F5122

Practical features

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

1. Xperia X

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

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. Xperia X

    2620 mAh

  2. 2. X21

    3200 mAh

    +580 mAh versus Xperia X

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. Xperia X2. X21

Everyday essentials
Everyday essentials — specifications for Xperia X, X21.
SpecificationXperia XX21
Dimensions (HxWxD)
  • 143 Х 69 Х 7.7 mm
  • 154.5 Х 74.8 Х 7.4 mm
Weight
  • 153 g
  • 156.2 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 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.
  • 32 GB
  • 3 GB RAM - F512164 GB
  • 3 GB RAM - F5122
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot) - dual SIM model only
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2620 mAh
  • Non-removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo)
  • Android 8.1 (Oreo); Funtouch 4
Chipset
  • Qualcomm MSM8956 Snapdragon 650
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia X, X21.
SpecificationXperia XX21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 98.4 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 69.8%
  • 85.2%
PPI /points per inch/
  • 441 PPI
  • 402 PPI
Screen protection
  • Scratch-resistant glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for Xperia X, X21.
SpecificationXperia XX21
Rear camera, main
  • 23 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 23 MP
  • f/2.0
  • 24mm (wide)
  • 1/2.3''
  • PDAF
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -5 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 12 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • 22mm (wide)
  • 1/3''
  • 12 MP
  • f/2.0
Performance

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

Performance — specifications for Xperia X, X21.
SpecificationXperia XX21
Processor CPU
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72)
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 510
  • Adreno 512
Antutu 7 score *
  • 93268
  • 143728
GeekBench 4 Single Core *
  • 1373
  • 1806
GeekBench 4 Multi-Core *
  • 3282
  • 4240
GeekBench 5 Single Core *
  • 269
Unknown
GeekBench 5 Multi-Core *
  • 714
Unknown
General specs
General specs — specifications for Xperia X, X21.
SpecificationXperia XX21
Release date
  • 2016
  • February
  • 2018
  • March
Colors
  • White
  • Graphite black
  • Lime Gold
  • Rose Gold
  • Black
  • Aurora White
  • Ruby Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 450 EUR
Body build
  • Front/back glass & aluminum frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Xperia X, X21.
SpecificationXperia XX21
SIM card
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - F5121
  • F5122 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - F5121
  • F5122
  • 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 Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Up to 107 kbps
  • Yes
Edge
  • Up to 296 kbps
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • aptX
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.97 W/kg (head) 0.97 W/kg (body) SAR EU - 0.72 W/kg (head) 1.23 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Xperia X, X21.
SpecificationXperia XX21
Radio
  • FM radio
  • RDS
  • FM radio
Others
  • Triluminos display -X-Reality Engine
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Xperia X, X21.
SpecificationXperia XX21
Dop
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 2.0) - Also known as Sony Xperia X Dual F5122 with dual-SIM card slots
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging