T-Mobile Sidekick LX vs TECNO Phantom 8

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: 23 g lighter

    Sidekick LX:
    162 g
    Phantom 8:
    185 g
  • Width

    Sidekick LX: 19.5 mm narrower

    Sidekick LX:
    60 mm
    Phantom 8:
    79.5 mm
  • Screen diagonal

    Sidekick LX: 2.7 in smaller diagonal

    Sidekick LX:
    3 in
    Phantom 8:
    5.7 in
  • Rear camera layout

    Sidekick LX:
    Single
    Phantom 8:
    Dual
  • Depth

    Phantom 8: 14.1 mm thinner

    Sidekick LX:
    22 mm
    Phantom 8:
    7.9 mm
  • Height

    Sidekick LX: 30.5 mm shorter

    Sidekick LX:
    129.5 mm
    Phantom 8:
    160 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 +14.1 mm versus Phantom 8
  2. 2. Phantom 8

    Height:
    160 mm +30.5 mm versus Sidekick LX
    Width:
    79.5 mm +19.5 mm versus Sidekick LX
    Depth:
    7.9 mm

Weight

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

  1. 1. Sidekick LX

    162 g

  2. 2. Phantom 8

    185 g

    +23 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. Phantom 8

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

Phantom 8 has approximately 249.6% 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, Phantom 8, compared at the same storage capacity.
StorageSidekick LXPhantom 8
64 GB Unknown 6 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. Phantom 8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Phantom 8

    3500 mAh

    +1960 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. Phantom 8

Everyday essentials
Everyday essentials — specifications for Sidekick LX, Phantom 8.
SpecificationSidekick LXPhantom 8
Dimensions (HxWxD)
  • 129.5 Х 60 Х 22 mm
  • 160 Х 79.5 Х 7.9 mm
Weight
  • 162 g
  • 185 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3" inch
  • 5.7" inch
Screen resolution
  • 240 x 400 px
  • 1080 x 1920 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
  • 64 GB
  • 6 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1540 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Danger OS
  • Android 7.0 (Nougat)
Chipset Unknown
  • Mediatek MT6757T Helio P25 (16 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Sidekick LX, Phantom 8.
SpecificationSidekick LXPhantom 8
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 25.6 cm2
  • 89.6 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 33.0%
  • 70.4%
PPI /points per inch/
  • 155 PPI
  • 386 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Sidekick LX, Phantom 8.
SpecificationSidekick LXPhantom 8
Rear camera, main
  • 1.3 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 1.3 MP
  • 12 MP
  • f/2.0
  • PDAF -13 MP
  • f/2.6
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • 20 MP
  • f/2.0
Performance

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

Performance — specifications for Sidekick LX, Phantom 8.
SpecificationSidekick LXPhantom 8
Processor CPU Unknown
  • Octa-core (4x2.6 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-T880MP2
Antutu 8 score * Unknown
  • 65232
General specs
General specs — specifications for Sidekick LX, Phantom 8.
SpecificationSidekick LXPhantom 8
Release date
  • 2007
  • September
  • 2018
  • April
Colors
  • Black
  • Galaxy Blue
  • Champagne Gold
  • Phantom 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
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick LX, Phantom 8.
SpecificationSidekick LXPhantom 8
SIM card
  • Mini-SIM
  • Dual SIM (Micro-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 / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • 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, Phantom 8.
SpecificationSidekick LXPhantom 8
Radio
  • No
  • FM radio
Other features
Other features — specifications for Sidekick LX, Phantom 8.
SpecificationSidekick LXPhantom 8
Dop
  • MP3/WMA audio player -MP4 player -Voice memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging