Sendo X2 vs T-Mobile Sidekick 4G

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

    X2: 67 g lighter

    X2:
    95 g
    Sidekick 4G:
    162 g
  • Screen diagonal

    X2: 1.3 in smaller diagonal

    X2:
    2.2 in
    Sidekick 4G:
    3.5 in
  • Release year

    X2:
    2005
    Sidekick 4G:
    2011

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. X2

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Sidekick 4G

    Height:
    127 mm
    Width:
    61 mm
    Depth:
    15 mm

Weight

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

  1. 1. X2

    95 g

  2. 2. Sidekick 4G

    162 g

    +67 g versus X2

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. X2

    X2: Screen geometry unavailable or conflicting.

  2. 2. Sidekick 4G

    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.

X2: Original memory entry

32 MB

Sidekick 4G: Original memory entry

1 GB · 512 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. X2

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

2. Sidekick 4G

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. X22. Sidekick 4G

Everyday essentials
Everyday essentials — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
Dimensions (HxWxD)
  • Х Х mm
  • 127 Х 61 Х 15 mm
Weight
  • 95 g
  • 162 g
Technology
  • TFT
  • TFT
Screen size
  • 2.2" inch
  • 3.5" inch
Screen resolution
  • 176 x 220 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 1 GB
  • 512 MB RAM
Memory card support
  • miniSD
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian
  • Series 60 UI
  • Android 2.2 (Froyo)
Chipset
  • TI OMAP 5910
  • Hummingbird
Headphone jack
  • No
  • Yes
Display
Display — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 15.2 cm2
  • 34.9 cm2
Screen format Unknown
  • 5:3 (height:width)
Screen to body ratio Unknown
  • 45.0%
PPI /points per inch/
  • 0 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
Rear camera, main
  • 1.3 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 1.3 MP
  • 3.15 MP
  • AF
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
Processor CPU
  • 120 MHz ARM925T
  • 1.0 GHz Cortex-A8
Graphics processor GPU Unknown
  • PowerVR SGX540
General specs
General specs — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
Release date
  • 2005
  • Q1
  • 2011
  • March
Colors Unknown
  • Matte Black
  • Pearl magenta
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 310 EUR
Battery life Unknown
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Music and Audio
Music and Audio — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
Radio
  • No
  • Nо
Other features
Other features — specifications for X2, Sidekick 4G.
SpecificationX2Sidekick 4G
Dop
  • Infrared port - Photo editor -AAC/MP3 player -SyncML
  • 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