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Sendo X vs vivo U3

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: 73 g lighter

    X:
    120 g
    U3:
    193 g
  • Width

    X: 27.5 mm narrower

    X:
    49 mm
    U3:
    76.5 mm
  • Screen diagonal

    X: 4.33 in smaller diagonal

    X:
    2.2 in
    U3:
    6.53 in
  • Chipset

    X:
    TI OMAP 5910
    U3:
    Qualcomm SDM675 Snapdragon 675 (11 nm)
  • Rear camera layout

    X:
    Single
    U3:
    Triple
  • Depth

    U3: 14.1 mm thinner

    X:
    23 mm
    U3:
    8.9 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 +14.1 mm versus U3
  2. 2. U3

    Height:
    162.2 mm +52.2 mm versus X
    Width:
    76.5 mm +27.5 mm versus X
    Depth:
    8.9 mm

Weight

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

  1. 1. X

    120 g

  2. 2. U3

    193 g

    +73 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. U3

    Screen diagonal:
    6.53 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    104.7 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, U3, compared at the same storage capacity.
StorageXU3
64 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
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. U3

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

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. U3

    5000 mAh

    +3950 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. U3

Everyday essentials
Everyday essentials — specifications for X, U3.
SpecificationXU3
Dimensions (HxWxD)
  • 110 Х 49 Х 23 mm
  • 162.2 Х 76.5 Х 8.9 mm
Weight
  • 120 g
  • 193 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.2" inch
  • 6.53" inch
Screen resolution
  • 176 x 220 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 64GB 4GB RAM
  • 64GB 6GB RAM
Memory card support
  • MMC/SD
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 6.1
  • Series 60 v1.0 UI
  • Android 9.0 (Pie); Funtouch 9.0
Chipset
  • TI OMAP 5910
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for X, U3.
SpecificationXU3
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 15.2 cm2
  • 104.7 cm2
Screen format Unknown
  • 19.5:9 (height:width)
Screen to body ratio
  • 28.3%
  • 84.4%
PPI /points per inch/
  • 0 PPI
  • 395 PPI
Camera and Video
Camera and Video — specifications for X, U3.
SpecificationXU3
Rear camera, main
  • 0.3 MP
  • Single
  • 16 MP
  • Triple
Camera specs Unknown
  • 16 MP
  • f/1.8
  • (wide)
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • macro camera
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1"
  • 1.0µm
Performance

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

Performance — specifications for X, U3.
SpecificationXU3
Processor CPU
  • 120 MHz ARM925T
  • Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
Graphics processor GPU Unknown
  • Adreno 612
Antutu 8 score * Unknown
  • 212000
General specs
General specs — specifications for X, U3.
SpecificationXU3
Release date
  • 2003
  • Q4
  • 2019
  • October
Colors Unknown
  • Black
  • Blue
  • Green
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 USD
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, U3.
SpecificationXU3
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 8
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.1
  • 5.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for X, U3.
SpecificationXU3
Radio
  • No
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for X, U3.
SpecificationXU3
Dop
  • Infrared port - MP4/MP3 player -Sync ML
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W