T-Mobile Sidekick LX vs vivo Y50

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 LX: 35 g lighter

    Sidekick LX:
    162 g
    Y50:
    197 g
  • Width

    Sidekick LX: 16.5 mm narrower

    Sidekick LX:
    60 mm
    Y50:
    76.5 mm
  • Screen diagonal

    Sidekick LX: 3.53 in smaller diagonal

    Sidekick LX:
    3 in
    Y50:
    6.53 in
  • Rear camera layout

    Sidekick LX:
    Single
    Y50:
    Quad
  • Depth

    Y50: 12.9 mm thinner

    Sidekick LX:
    22 mm
    Y50:
    9.1 mm
  • Height

    Sidekick LX: 32.5 mm shorter

    Sidekick LX:
    129.5 mm
    Y50:
    162 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 LX

    Height:
    129.5 mm
    Width:
    60 mm
    Depth:
    22 mm +12.9 mm versus Y50
  2. 2. Y50

    Height:
    162 mm +32.5 mm versus Sidekick LX
    Width:
    76.5 mm +16.5 mm versus Sidekick LX
    Depth:
    9.1 mm

Weight

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

  1. 1. Sidekick LX

    162 g

  2. 2. Y50

    197 g

    +35 g versus Sidekick LX

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. Y50

    Screen diagonal:
    6.53 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102.9 cm²

Y50 has approximately 301.9% 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.

Recorded RAM for Sidekick LX, Y50, compared at the same storage capacity.
StorageSidekick LXY50
128 GB Unknown 8 GB RAM
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. Sidekick LX

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

2. Y50

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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 LX

    1540 mAh

  2. 2. Y50

    5000 mAh

    +3460 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. Y50

Everyday essentials
Everyday essentials — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
Dimensions (HxWxD)
  • 129.5 Х 60 Х 22 mm
  • 162 Х 76.5 Х 9.1 mm
Weight
  • 162 g
  • 197 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3" inch
  • 6.53" inch
Screen resolution
  • 240 x 400 px
  • 1080 x 2400 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
  • 128GB 8GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1540 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Danger OS
  • Android 10.0; Funtouch 10.0
Chipset Unknown
  • Qualcomm SM6125 Snapdragon 665 (11 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 25.6 cm2
  • 102.9 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 33.0%
  • 83.1%
PPI /points per inch/
  • 155 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Quad
Camera specs
  • 1.3 MP
  • 13 MP
  • f/2.2
  • (wide)
  • PDAF -8 MP
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP
  • f/2.4
  • (macro) -2 MP
  • (depth)
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Signle
Specifications Unknown
  • 16 MP
  • f/2.0
  • (wide)
Performance
Performance — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
Processor CPU Unknown
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU Unknown
  • Adreno 610
General specs
General specs — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
Release date
  • 2007
  • September
  • 2020
  • April 6
Colors
  • Black
  • Starry Black
  • Iris Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
Radio
  • No
  • FM radio
Other features
Other features — specifications for Sidekick LX, Y50.
SpecificationSidekick LXY50
Dop
  • MP3/WMA audio player -MP4 player -Voice memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast charging 15W