Samsung Z4 vs T-Mobile Sidekick LX

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

    Z4: 19 g lighter

    Z4:
    143 g
    Sidekick LX:
    162 g
  • Width

    Sidekick LX: 9.2 mm narrower

    Z4:
    69.2 mm
    Sidekick LX:
    60 mm
  • Screen diagonal

    Sidekick LX: 1.5 in smaller diagonal

    Z4:
    4.5 in
    Sidekick LX:
    3 in
  • Depth

    Z4: 11.7 mm thinner

    Z4:
    10.3 mm
    Sidekick LX:
    22 mm
  • Height

    Sidekick LX: 3.4 mm shorter

    Z4:
    132.9 mm
    Sidekick LX:
    129.5 mm
  • Release year

    Z4:
    2017
    Sidekick LX:
    2007

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. Z4

    Height:
    132.9 mm +3.4 mm versus Sidekick LX
    Width:
    69.2 mm +9.2 mm versus Sidekick LX
    Depth:
    10.3 mm
  2. 2. Sidekick LX

    Height:
    129.5 mm
    Width:
    60 mm
    Depth:
    22 mm +11.7 mm versus Z4

Weight

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

  1. 1. Z4

    143 g

  2. 2. Sidekick LX

    162 g

    +19 g versus Z4

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. Z4

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. Sidekick LX

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    25.6 cm²

Z4 has approximately 125% more rectangular screen area than Sidekick LX.

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 Z4, Sidekick LX, compared at the same storage capacity.
StorageZ4Sidekick LX
8 GB 1 GB RAM Unknown
Sidekick LX: Original memory entry

64 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. Z4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. Sidekick LX

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. Z4

    2050 mAh

    +510 mAh versus Sidekick LX

  2. 2. Sidekick LX

    1540 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. Z42. Sidekick LX

Everyday essentials
Everyday essentials — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
Dimensions (HxWxD)
  • 132.9 Х 69.2 Х 10.3 mm
  • 129.5 Х 60 Х 22 mm
Weight
  • 143 g
  • 162 g
Technology Unknown
  • TFT
Screen size
  • 4.5" inch
  • 3" inch
Screen resolution
  • 480 x 800 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2050 mAh
  • Removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Tizen 3.0
  • Danger OS
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 57.6 cm2
  • 25.6 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 62.7%
  • 33.0%
PPI /points per inch/
  • 207 PPI
  • 155 PPI
Camera and Video
Camera and Video — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • f/2.2
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.2
Unknown
Performance

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

Performance — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
Processor CPU
  • Quad-core 1.5 GHz
Unknown
Antutu 7 score *
  • 17329
Unknown
General specs
General specs — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
Release date
  • 2017
  • May
  • 2007
  • September
Colors
  • Black
  • Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 160 EUR
Battery life Unknown
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
SIM card
  • Single SIM (Micro-SIM)Hybrid Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 900 / 2100 -4G - LTE
Unknown
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Music and Audio
Music and Audio — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
Radio
  • FM radio
  • No
Other features
Other features — specifications for Z4, Sidekick LX.
SpecificationZ4Sidekick LX
Dop
  • Sensors Accelerometer
  • proximity
  • MP3/WMA audio player -MP4 player -Voice memo