vivo X21i vs Wiko U Feel Prime

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    X21i:
    OLED
    U Feel Prime:
    LCD
  • Weight

    U Feel Prime: 9 g lighter

    X21i:
    159 g
    U Feel Prime:
    150 g
  • Width

    U Feel Prime: 5.1 mm narrower

    X21i:
    75 mm
    U Feel Prime:
    69.9 mm
  • Screen diagonal

    U Feel Prime: 1.28 in smaller diagonal

    X21i:
    6.28 in
    U Feel Prime:
    5 in
  • Chipset

    X21i:
    Mediatek MT6771 Helio P60 (12 nm)
    U Feel Prime:
    Qualcomm MSM8937 Snapdragon 430 (28 nm)
  • Rear camera layout

    X21i:
    Dual
    U Feel Prime:
    Single

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. X21i

    Height:
    154.4 mm +11.9 mm versus U Feel Prime
    Width:
    75 mm +5.1 mm versus U Feel Prime
    Depth:
    7 mm
  2. 2. U Feel Prime

    Height:
    142.5 mm
    Width:
    69.9 mm
    Depth:
    8.7 mm +1.7 mm versus X21i

Weight

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

  1. 1. X21i

    159 g

    +9 g versus U Feel Prime

  2. 2. U Feel Prime

    150 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. 1. X21i

    Screen diagonal:
    6.28 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    98.4 cm²
  2. 2. U Feel Prime

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

X21i has approximately 42.8% more rectangular screen area than U Feel Prime.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

X21i: Original memory entry

128 GB · 4 GB RAM 64 GB · 6 GB RAM

U Feel Prime: Original memory entry

32 GB · 512GB 4GB

Practical features

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

1. X21i

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

2. U Feel Prime

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. X21i

    3425 mAh

    +425 mAh versus U Feel Prime

  2. 2. U Feel Prime

    3000 mAh

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. X21i2. U Feel Prime

Everyday essentials
Everyday essentials — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
Dimensions (HxWxD)
  • 154.4 Х 75 Х 7 mm
  • 142.5 Х 69.9 Х 8.7 mm
Weight
  • 159 g
  • 150 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.28" inch
  • 5" inch
Screen resolution
  • 1080 x 2280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 4 GB RAM 64 GB
  • 6 GB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 64 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3425 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); Funtouch 4
  • Android 6.0.1 (Marshmallow)
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 98.4 cm2
  • 68.9 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.0%
  • 69.2%
PPI /points per inch/
  • 402 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
Rear camera, main
  • 12 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -5 MP
  • f/2.0
  • depth sensor
  • 13 MP
  • 1/3''
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 24 MP
  • 8 MP
Performance

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

Performance — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 505
Antutu 7 score *
  • 130256
  • 39878
GeekBench 4 Single Core *
  • 1497
  • 663
GeekBench 4 Multi-Core *
  • 5759
  • 2594
General specs
General specs — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
Release date
  • 2018
  • May
  • 2016
  • September
Colors
  • Black
  • Aurora White
  • Ruby Red
  • Night Purple
  • Silver
  • Anthracite
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 430 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 450 h (3G) Talking time- Up to 21 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
SIM card
  • 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 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 -4G - LTE 800 / 1800 / 2100 / 2600
Speed
  • HSPA
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.99 W/kg (head) 0.80 W/kg (body)
Music and Audio
Music and Audio — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
Radio
  • FM radio
  • Stereo FM radio
Others
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for X21i, U Feel Prime.
SpecificationX21iU Feel Prime
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - For Europe