Sendo X vs vivo Y31

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.

  • Weight

    X: 17 g lighter

    X:
    120 g
    Y31:
    137 g
  • Width

    X: 19.8 mm narrower

    X:
    49 mm
    Y31:
    68.8 mm
  • Screen diagonal

    X: 2.5 in smaller diagonal

    X:
    2.2 in
    Y31:
    4.7 in
  • Chipset

    X:
    TI OMAP 5910
    Y31:
    Mediatek MT6580 (28 nm)
  • Depth

    Y31: 14.6 mm thinner

    X:
    23 mm
    Y31:
    8.4 mm
  • Height

    X: 27.2 mm shorter

    X:
    110 mm
    Y31:
    137.2 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. X

    Height:
    110 mm
    Width:
    49 mm
    Depth:
    23 mm +14.6 mm versus Y31
  2. 2. Y31

    Height:
    137.2 mm +27.2 mm versus X
    Width:
    68.8 mm +19.8 mm versus X
    Depth:
    8.4 mm

Weight

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

  1. 1. X

    120 g

  2. 2. Y31

    137 g

    +17 g versus 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. X

    X: Screen geometry unavailable or conflicting.

  2. 2. Y31

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

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 X, Y31, compared at the same storage capacity.
StorageXY31
8 GB Unknown 1 GB RAM
X: Original memory entry

32 MB

Practical features

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

1. X

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

2. Y31

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. X

    1050 mAh

  2. 2. Y31

    2100 mAh

    +1050 mAh versus 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. X2. Y31

Everyday essentials
Everyday essentials — specifications for X, Y31.
SpecificationXY31
Dimensions (HxWxD)
  • 110 Х 49 Х 23 mm
  • 137.2 Х 68.8 Х 8.4 mm
Weight
  • 120 g
  • 137 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.2" inch
  • 4.7" inch
Screen resolution
  • 176 x 220 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 8 GB
  • 1 GB RAM
Memory card support
  • MMC/SD
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 2100 mAh
  • Removable Li-Po
Operating system OS
  • Symbian 6.1
  • Series 60 v1.0 UI
  • Android 5.1 (Lollipop); Funtouch 2.1
Chipset
  • TI OMAP 5910
  • Mediatek MT6580 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for X, Y31.
SpecificationXY31
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 15.2 cm2
  • 60.9 cm2
Screen format Unknown
  • 16:9 (height:width)
Screen to body ratio
  • 28.3%
  • 64.5%
PPI /points per inch/
  • 0 PPI
  • 312 PPI
Camera and Video
Camera and Video — specifications for X, Y31.
SpecificationXY31
Rear camera, main
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Camera specs Unknown
  • 8 MP
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance

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

Performance — specifications for X, Y31.
SpecificationXY31
Processor CPU
  • 120 MHz ARM925T
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
GeekBench 4 Single Core * Unknown
  • 405
GeekBench 4 Multi-Core * Unknown
  • 1086
Antutu 8 score * Unknown
  • 101155
General specs
General specs — specifications for X, Y31.
SpecificationXY31
Release date
  • 2003
  • Q4
  • 2015
  • September
Colors Unknown
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life
  • Stand by time- Up to 170 h Talking time- Up to 7 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for X, Y31.
SpecificationXY31
SIM card
  • Mini-SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA
GPRS
  • Class 8
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 1.1
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for X, Y31.
SpecificationXY31
Radio
  • No
  • FM radio
Other features
Other features — specifications for X, Y31.
SpecificationXY31
Dop
  • Infrared port - MP4/MP3 player -Sync ML
  • Sensors Accelerometer
  • proximity
  • compass