T-Mobile Sidekick LX vs verykool s450

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

    s450: 29.5 g lighter

    Sidekick LX:
    162 g
    s450:
    132.5 g
  • Width

    Sidekick LX: 6.8 mm narrower

    Sidekick LX:
    60 mm
    s450:
    66.8 mm
  • Screen diagonal

    Sidekick LX: 1.5 in smaller diagonal

    Sidekick LX:
    3 in
    s450:
    4.5 in
  • Depth

    s450: 12.1 mm thinner

    Sidekick LX:
    22 mm
    s450:
    9.9 mm
  • Release year

    Sidekick LX:
    2007
    s450:
    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 LX

    Height:
    129.5 mm
    Width:
    60 mm
    Depth:
    22 mm +12.1 mm versus s450
  2. 2. s450

    Height:
    131.4 mm
    Width:
    66.8 mm +6.8 mm versus Sidekick LX
    Depth:
    9.9 mm

Weight

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

  1. 1. Sidekick LX

    162 g

    +29.5 g versus s450

  2. 2. s450

    132.5 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 LX

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    25.6 cm²
  2. 2. s450

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

s450 has approximately 117.9% 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.

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

Sidekick LX: Original memory entry

64 MB RAM · 64 MB ROM

s450: Original memory entry

4 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. Sidekick LX

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. s450

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

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 LX

    1540 mAh

  2. 2. s450

    1750 mAh

    +210 mAh versus Sidekick LX

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 LX2. s450

Everyday essentials
Everyday essentials — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
Dimensions (HxWxD)
  • 129.5 Х 60 Х 22 mm
  • 131.4 Х 66.8 Х 9.9 mm
Weight
  • 162 g
  • 132.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3" inch
  • 4.5" inch
Screen resolution
  • 240 x 400 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 64 MB ROM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1540 mAh
  • Removable Li-Ion
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Danger OS
  • Android 4.2 (Jelly Bean)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 25.6 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 33.0%
  • 63.6%
PPI /points per inch/
  • 155 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
Processor CPU Unknown
  • Dual-core 1.2 GHz
General specs
General specs — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
Release date
  • 2007
  • September
  • 2014
  • May
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
  • Stand by time- Up to 240 h (3G) Talking time- Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
SIM card
  • Mini-SIM
  • Single SIMDual SIM (dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM1 & SIM 2 (optional)
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
Radio
  • No
  • FM radio
Other features
Other features — specifications for Sidekick LX, s450.
SpecificationSidekick LXs450
Dop
  • MP3/WMA audio player -MP4 player -Voice memo
  • Sensors Accelerometer
  • proximity - Flashlight