vivo X21i vs Vodafone Smart ultra 7

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
    Smart ultra 7:
    LCD
  • Weight

    Smart ultra 7: 9 g lighter

    X21i:
    159 g
    Smart ultra 7:
    150 g
  • Width

    X21i: 3.1 mm narrower

    X21i:
    75 mm
    Smart ultra 7:
    78.1 mm
  • Screen diagonal

    Smart ultra 7: 0.78 in smaller diagonal

    X21i:
    6.28 in
    Smart ultra 7:
    5.5 in
  • Chipset

    X21i:
    Mediatek MT6771 Helio P60 (12 nm)
    Smart ultra 7:
    Mediatek MT6755M (28 nm)
  • Rear camera layout

    X21i:
    Dual
    Smart ultra 7:
    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 +2.2 mm versus Smart ultra 7
    Width:
    75 mm
    Depth:
    7 mm
  2. 2. Smart ultra 7

    Height:
    152.2 mm
    Width:
    78.1 mm +3.1 mm versus X21i
    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 Smart ultra 7

  2. 2. Smart ultra 7

    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. Smart ultra 7

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

X21i has approximately 18% more rectangular screen area than Smart ultra 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 X21i, Smart ultra 7, compared at the same storage capacity.
StorageX21iSmart ultra 7
16 GB Unknown 2 GB RAM
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. X21i

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

2. Smart ultra 7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated 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

    +465 mAh versus Smart ultra 7

  2. 2. Smart ultra 7

    2960 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. Smart ultra 7

Everyday essentials
Everyday essentials — specifications for X21i, Smart ultra 7.
SpecificationX21iSmart ultra 7
Dimensions (HxWxD)
  • 154.4 Х 75 Х 7 mm
  • 152.2 Х 78.1 Х 8.7 mm
Weight
  • 159 g
  • 150 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.28" inch
  • 5.5" 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
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3425 mAh
  • Non-removable Li-Ion
  • 2960 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); Funtouch 4
  • Android 6.0.1 (Marshmallow)
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
  • Mediatek MT6755M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X21i, Smart ultra 7.
SpecificationX21iSmart ultra 7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 98.4 cm2
  • 83.4 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.0%
  • 70.2%
PPI /points per inch/
  • 402 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for X21i, Smart ultra 7.
SpecificationX21iSmart ultra 7
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
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 24 MP
  • 5 MP
Performance

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

Performance — specifications for X21i, Smart ultra 7.
SpecificationX21iSmart ultra 7
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-G72 MP3
  • Mali-T860MP2
Antutu 7 score *
  • 130256
Unknown
GeekBench 4 Single Core *
  • 1497
  • 692
GeekBench 4 Multi-Core *
  • 5759
  • 2560
GeekBench 4 RenderScript * Unknown
  • 1742
General specs
General specs — specifications for X21i, Smart ultra 7.
SpecificationX21iSmart ultra 7
Release date
  • 2018
  • May
  • 2016
  • June
Colors
  • Black
  • Aurora White
  • Ruby Red
  • Night Purple
  • Silver
  • Dark Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 430 EUR
  • 160 EUR
Communication and Connectivity
Communication and Connectivity — specifications for X21i, Smart ultra 7.
SpecificationX21iSmart ultra 7
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
Speed
  • HSPA
  • LTE
  • HSPA
  • 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 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.54 W/kg (head)
Music and Audio
Music and Audio — specifications for X21i, Smart ultra 7.
SpecificationX21iSmart ultra 7
Radio
  • FM radio
  • 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, Smart ultra 7.
SpecificationX21iSmart ultra 7
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging
  • Sensors Accelerometer
  • proximity
  • compass