Samsung DoubleTime I857 vs T-Mobile Sidekick 3

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.

  • Weight

    DoubleTime I857: 42 g lighter

    DoubleTime I857:
    148 g
    Sidekick 3:
    190 g
  • Width

    Sidekick 3: 3 mm narrower

    DoubleTime I857:
    62 mm
    Sidekick 3:
    59 mm
  • Screen diagonal

    Sidekick 3: 0.6 in smaller diagonal

    DoubleTime I857:
    3.2 in
    Sidekick 3:
    2.6 in
  • Depth

    DoubleTime I857: 7 mm thinner

    DoubleTime I857:
    15 mm
    Sidekick 3:
    22 mm
  • Height

    DoubleTime I857: 17 mm shorter

    DoubleTime I857:
    113 mm
    Sidekick 3:
    130 mm
  • Release year

    DoubleTime I857:
    2011
    Sidekick 3:
    2006

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. DoubleTime I857

    Height:
    113 mm
    Width:
    62 mm +3 mm versus Sidekick 3
    Depth:
    15 mm
  2. 2. Sidekick 3

    Height:
    130 mm +17 mm versus DoubleTime I857
    Width:
    59 mm
    Depth:
    22 mm +7 mm versus DoubleTime I857

Weight

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

  1. 1. DoubleTime I857

    148 g

  2. 2. Sidekick 3

    190 g

    +42 g versus DoubleTime I857

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. DoubleTime I857

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²
  2. 2. Sidekick 3

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

DoubleTime I857 has approximately 51.5% more rectangular screen area than Sidekick 3.

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.

DoubleTime I857: Original memory entry

260 MB · 256 MB RAM

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. DoubleTime I857

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Sidekick 3

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

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. DoubleTime I857

    1200 mAh

  2. 2. Sidekick 3

    1500 mAh

    +300 mAh versus DoubleTime I857

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. DoubleTime I8572. Sidekick 3

Everyday essentials
Everyday essentials — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
Dimensions (HxWxD)
  • 113 Х 62 Х 15 mm
  • 130 Х 59 Х 22 mm
Weight
  • 148 g
  • 190 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 2.6" inch
Screen resolution
  • 320 x 480 px
  • 160 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 260 MB
  • 256 MB RAM
  • 64 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Danger 3.0
Chipset
  • Qualcomm MSM7230
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 256K
  • 65K
Screen area
  • 30.5 cm2
  • 20.1 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 43.5%
  • 26.2%
PPI /points per inch/
  • 180 PPI
  • 111 PPI
Camera and Video
Camera and Video — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
Rear camera, main
  • 3.15 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 1.3 MP
Functions Unknown
  • LED flash
Video
  • 320p
  • No
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
Processor CPU
  • 800 MHz Scorpion
Unknown
Graphics processor GPU
  • Adreno 205
Unknown
General specs
General specs — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
Release date
  • 2011
  • October
  • 2006
  • June
Colors
  • Black/White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 6 h
  • Stand by time- Up to 72 h Talking time- Up to 4 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 7.2/2 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • No
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • 1.1
Bluetooth
  • 3.0
  • A2DP
  • 1.2
Harmful irradiation
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
Radio
  • No
  • No
Others
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
  • Swivel display
Other features
Other features — specifications for DoubleTime I857, Sidekick 3.
SpecificationDoubleTime I857Sidekick 3
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T
  • MP3 audio player -Voice memo