T-Mobile Sidekick 4G vs T-Mobile Vivacity

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

    Vivacity: 44 g lighter

    Sidekick 4G:
    162 g
    Vivacity:
    118 g
  • Width

    Vivacity: 3 mm narrower

    Sidekick 4G:
    61 mm
    Vivacity:
    58 mm
  • Depth

    Vivacity: 4.5 mm thinner

    Sidekick 4G:
    15 mm
    Vivacity:
    10.5 mm
  • Height

    Vivacity: 12 mm shorter

    Sidekick 4G:
    127 mm
    Vivacity:
    115 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. Sidekick 4G

    Height:
    127 mm +12 mm versus Vivacity
    Width:
    61 mm +3 mm versus Vivacity
    Depth:
    15 mm +4.5 mm versus Vivacity
  2. 2. Vivacity

    Height:
    115 mm
    Width:
    58 mm
    Depth:
    10.5 mm

Weight

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

  1. 1. Sidekick 4G

    162 g

    +44 g versus Vivacity

  2. 2. Vivacity

    118 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. Sidekick 4G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Vivacity

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Sidekick 4G: Original memory entry

1 GB · 512 MB RAM

Vivacity: Original memory entry

512 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. Sidekick 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

2. Vivacity

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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 4G

    1500 mAh

  2. 2. Vivacity

    1500 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. Sidekick 4G2. Vivacity

Everyday essentials
Everyday essentials — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
Dimensions (HxWxD)
  • 127 Х 61 Х 15 mm
  • 115 Х 58 Х 10.5 mm
Weight
  • 162 g
  • 118 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB
  • 512 MB RAM
  • 512 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 2.3 (Gingerbread)
Chipset
  • Hummingbird
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 34.9 cm2
  • 34.9 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 45.0%
  • 52.3%
PPI /points per inch/
  • 267 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
Functions Unknown
  • LED flash
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
Processor CPU
  • 1.0 GHz Cortex-A8
Unknown
Graphics processor GPU
  • PowerVR SGX540
Unknown
General specs
General specs — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
Release date
  • 2011
  • March
  • 2011
  • November
Colors
  • Matte Black
  • Pearl magenta
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 170 EUR
Battery life
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
Radio
  • Nо
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for Sidekick 4G, Vivacity.
SpecificationSidekick 4GVivacity
Dop
  • Sensors Accelerometer
  • proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor
  • PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.264 player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input