T-Mobile Sidekick vs ZTE Zmax

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

    Sidekick: 61.9 g lighter

    Sidekick:
    128 g
    Zmax:
    189.9 g
  • Width

    Sidekick: 25.8 mm narrower

    Sidekick:
    58 mm
    Zmax:
    83.8 mm
  • Screen diagonal

    Sidekick: 3.1 in smaller diagonal

    Sidekick:
    2.6 in
    Zmax:
    5.7 in
  • Depth

    Zmax: 9.1 mm thinner

    Sidekick:
    18 mm
    Zmax:
    8.9 mm
  • Height

    Sidekick: 43.6 mm shorter

    Sidekick:
    119 mm
    Zmax:
    162.6 mm
  • Release year

    Sidekick:
    2008
    Zmax:
    2014

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

    Height:
    119 mm
    Width:
    58 mm
    Depth:
    18 mm +9.1 mm versus Zmax
  2. 2. Zmax

    Height:
    162.6 mm +43.6 mm versus Sidekick
    Width:
    83.8 mm +25.8 mm versus Sidekick
    Depth:
    8.9 mm

Weight

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

  1. 1. Sidekick

    128 g

  2. 2. Zmax

    189.9 g

    +61.9 g versus Sidekick

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

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    19.2 cm²
  2. 2. Zmax

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²

Zmax has approximately 365.5% more rectangular screen area than Sidekick.

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, Zmax, compared at the same storage capacity.
StorageSidekickZmax
16 GB Unknown 2 GB RAM
Sidekick: Original memory entry

128 MB RAM · 64 MB ROM

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

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (dedicated slot)

2. Zmax

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

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

    1030 mAh

  2. 2. Zmax

    3400 mAh

    +2370 mAh versus Sidekick

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. Sidekick2. Zmax

Everyday essentials
Everyday essentials — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
Dimensions (HxWxD)
  • 119 Х 58 Х 18 mm
  • 162.6 Х 83.8 Х 8.9 mm
Weight
  • 128 g
  • 189.9 g
Technology
  • TFT
  • TFT
Screen size
  • 2.6" inch
  • 5.7" inch
Screen resolution
  • 240 x 400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 64 MB ROM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1030 mAh
  • Removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Danger 4.7
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 19.2 cm2
  • 89.6 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 27.9%
  • 65.7%
PPI /points per inch/
  • 179 PPI
  • 258 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0 MP,
  • 1.6 MP
  • Single
Specifications Unknown
  • 1.6 MP
Performance

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

Performance — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
Processor CPU Unknown
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 305
Antutu 7 score * Unknown
  • 25303
General specs
General specs — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
Release date
  • 2008
  • July
  • 2014
  • September
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • Stand by time- Up to 216 h Talking time- Up to 5 h
  • Stand by time- Up to 360 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 7(2600)
  • 12(700)
Speed Unknown
  • HSPA
  • LTE Cat4 150/50 Mbps or Cat3 100/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n
  • dual band
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
Radio
  • No
  • FM radio
Others
  • Swivel display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick, Zmax.
SpecificationSidekickZmax
Dop
  • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass