T-Mobile Sidekick LX vs vivo NEX 3

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

    Sidekick LX: 55.3 g lighter

    Sidekick LX:
    162 g
    NEX 3:
    217.3 g
  • Width

    Sidekick LX: 16.1 mm narrower

    Sidekick LX:
    60 mm
    NEX 3:
    76.1 mm
  • Screen diagonal

    Sidekick LX: 3.89 in smaller diagonal

    Sidekick LX:
    3 in
    NEX 3:
    6.89 in
  • Rear camera layout

    Sidekick LX:
    Single
    NEX 3:
    Triple
  • Depth

    NEX 3: 12.6 mm thinner

    Sidekick LX:
    22 mm
    NEX 3:
    9.4 mm
  • Height

    Sidekick LX: 37.9 mm shorter

    Sidekick LX:
    129.5 mm
    NEX 3:
    167.4 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 +12.6 mm versus NEX 3
  2. 2. NEX 3

    Height:
    167.4 mm +37.9 mm versus Sidekick LX
    Width:
    76.1 mm +16.1 mm versus Sidekick LX
    Depth:
    9.4 mm

Weight

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

  1. 1. Sidekick LX

    162 g

  2. 2. NEX 3

    217.3 g

    +55.3 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Sidekick LX

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

    NEX 3: Screen geometry unavailable or conflicting.

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

NEX 3: Original memory entry

128GB 8GB RAM · UFS3.0

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. NEX 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. NEX 3

    4500 mAh

    +2960 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. NEX 3

Everyday essentials
Everyday essentials — specifications for Sidekick LX, NEX 3.
SpecificationSidekick LXNEX 3
Dimensions (HxWxD)
  • 129.5 Х 60 Х 22 mm
  • 167.4 Х 76.1 Х 9.4 mm
Weight
  • 162 g
  • 217.3 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3" inch
  • 6.89" inch
Screen resolution
  • 240 x 400 px
  • 1080 x 2256 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
  • UFS3.0
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1540 mAh
  • Removable Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Danger OS
  • Android 9.0 (Pie); Funtouch 9.1
Chipset Unknown
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Sidekick LX, NEX 3.
SpecificationSidekick LXNEX 3
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 25.6 cm2
  • 119.3 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 33.0%
  • 93.6%
PPI /points per inch/
  • 155 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Sidekick LX, NEX 3.
SpecificationSidekick LXNEX 3
Rear camera, main
  • 1.3 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 1.3 MP
  • 64 MP
  • f/1.8
  • (wide)
  • 1/1.7''
  • 0.8µm
  • PDAF -13 MP
  • f/2.5
  • (telephoto)
  • f/2.2
  • (ultrawide)
  • PDAF
Functions Unknown
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • Motorized pop-up 16 MP
  • f/2.1
Performance

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

Performance — specifications for Sidekick LX, NEX 3.
SpecificationSidekick LXNEX 3
Processor CPU Unknown
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU Unknown
  • Adreno 640 (700 MHz)
Antutu 8 score * Unknown
  • 483427
General specs
General specs — specifications for Sidekick LX, NEX 3.
SpecificationSidekick LXNEX 3
Release date
  • 2007
  • September
  • 2019
  • September
Colors
  • Black
  • Liquid Tianhe
  • Deep air streamer
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 640 EUR
Battery life
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Unknown
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick LX, NEX 3.
SpecificationSidekick LXNEX 3
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
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, NEX 3.
SpecificationSidekick LXNEX 3
Radio
  • No
  • No
Others Unknown
  • HDR10
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick LX, NEX 3.
SpecificationSidekick LXNEX 3
Dop
  • MP3/WMA audio player -MP4 player -Voice memo
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 44W