T-Mobile Sidekick 3 vs vivo U10

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.

  • Width

    Sidekick 3: 17.8 mm narrower

    Sidekick 3:
    59 mm
    U10:
    76.8 mm
  • Screen diagonal

    Sidekick 3: 3.75 in smaller diagonal

    Sidekick 3:
    2.6 in
    U10:
    6.35 in
  • Rear camera layout

    Sidekick 3:
    Single
    U10:
    Triple
  • Depth

    U10: 13.1 mm thinner

    Sidekick 3:
    22 mm
    U10:
    8.9 mm
  • Height

    Sidekick 3: 29.4 mm shorter

    Sidekick 3:
    130 mm
    U10:
    159.4 mm
  • Release year

    Sidekick 3:
    2006
    U10:
    2019

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. Sidekick 3

    Height:
    130 mm
    Width:
    59 mm
    Depth:
    22 mm +13.1 mm versus U10
  2. 2. U10

    Height:
    159.4 mm +29.4 mm versus Sidekick 3
    Width:
    76.8 mm +17.8 mm versus Sidekick 3
    Depth:
    8.9 mm

Weight

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

  1. 1. Sidekick 3

    190 g

  2. 2. U10

    190.5 g

    +0.5 g versus Sidekick 3

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. Sidekick 3

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    20.1 cm²
  2. 2. U10

    U10: Screen geometry unavailable or conflicting.

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 Sidekick 3, U10, compared at the same storage capacity.
StorageSidekick 3U10
32 GB Unknown 3 GB RAM
64 GB Unknown 3 / 4 GB RAM Alternative RAM configurations
Sidekick 3: Original memory entry

64 MB 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. Sidekick 3

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

2. U10

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. Sidekick 3

    1500 mAh

  2. 2. U10

    5000 mAh

    +3500 mAh versus Sidekick 3

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. Sidekick 32. U10

Everyday essentials
Everyday essentials — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
Dimensions (HxWxD)
  • 130 Х 59 Х 22 mm
  • 159.4 Х 76.8 Х 8.9 mm
Weight
  • 190 g
  • 190.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.6" inch
  • 6.35" inch
Screen resolution
  • 160 x 240 px
  • 720 x 1544 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 32GB 3GB RAM
  • 64GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Danger 3.0
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 20.1 cm2
  • 99.6 cm2
Screen format
  • 3:2 (height:width)
Unknown
Screen to body ratio
  • 26.2%
  • 81.4%
PPI /points per inch/
  • 111 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Triple
Camera specs
  • 1.3 MP
  • 13 MP
  • f/2.2
  • (wide)
  • PDAF -8 MP
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • No
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
Processor CPU Unknown
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU Unknown
  • Adreno 610
Antutu 7 score * Unknown
  • 143200
General specs
General specs — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
Release date
  • 2006
  • June
  • 2019
  • September
Colors
  • Black
  • Thunder Black
  • Electric Blue
  • Black
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life
  • Stand by time- Up to 72 h Talking time- Up to 4 h 50 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
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)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • 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
USB
  • 1.1
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.2
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
Radio
  • No
  • FM radio
Others
  • Swivel display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick 3, U10.
SpecificationSidekick 3U10
Dop
  • MP3 audio player -Voice memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W - Also known as vivo U3x