T-Mobile Sidekick vs vivo X30

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: 68.5 g lighter

    Sidekick:
    128 g
    X30:
    196.5 g
  • Width

    Sidekick: 16.1 mm narrower

    Sidekick:
    58 mm
    X30:
    74.1 mm
  • Screen diagonal

    Sidekick: 3.84 in smaller diagonal

    Sidekick:
    2.6 in
    X30:
    6.44 in
  • Rear camera layout

    Sidekick:
    Single
    X30:
    Triple
  • Depth

    X30: 9.2 mm thinner

    Sidekick:
    18 mm
    X30:
    8.8 mm
  • Height

    Sidekick: 39.5 mm shorter

    Sidekick:
    119 mm
    X30:
    158.5 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

    Height:
    119 mm
    Width:
    58 mm
    Depth:
    18 mm +9.2 mm versus X30
  2. 2. X30

    Height:
    158.5 mm +39.5 mm versus Sidekick
    Width:
    74.1 mm +16.1 mm versus Sidekick
    Depth:
    8.8 mm

Weight

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

  1. 1. Sidekick

    128 g

  2. 2. X30

    196.5 g

    +68.5 g versus Sidekick

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

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    19.2 cm²
  2. 2. X30

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

X30 has approximately 420.4% more rectangular screen area than Sidekick.

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, X30, compared at the same storage capacity.
StorageSidekickX30
128 GB Unknown 8 GB RAM
256 GB Unknown 8 GB RAM
Sidekick: Original memory entry

128 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

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (dedicated slot)

2. X30

NFC:
Yes
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

    1030 mAh

  2. 2. X30

    4350 mAh

    +3320 mAh versus Sidekick

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. Sidekick2. X30

Everyday essentials
Everyday essentials — specifications for Sidekick, X30.
SpecificationSidekickX30
Dimensions (HxWxD)
  • 119 Х 58 Х 18 mm
  • 158.5 Х 74.1 Х 8.8 mm
Weight
  • 128 g
  • 196.5 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.6" inch
  • 6.44" 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.
  • 128 MB RAM
  • 64 MB ROM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1030 mAh
  • Removable Li-Ion
  • 4350 mAh
  • Non-removable Li-Po
Operating system OS
  • Danger 4.7
  • Android 9.0 (Pie); Funtouch 10.0
Chipset Unknown
  • Exynos 980 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick, X30.
SpecificationSidekickX30
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 19.2 cm2
  • 100.1 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 27.9%
  • 85.3%
PPI /points per inch/
  • 179 PPI
  • 409 PPI
Camera and Video
Camera and Video — specifications for Sidekick, X30.
SpecificationSidekickX30
Rear camera, main
  • 1.3 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 1.3 MP
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72"
  • 0.8µm
  • PDAF
  • laser AF
  • OIS -32 MP
  • f/2.0
  • 50mm (telephoto)
  • 1/2.8"
  • OIS
  • 2x optical zoom -8 MP
  • f/2.2
  • 16mm (ultrawide)
  • 1/4.0"
  • 1.12µm
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 32 MP
  • Single
Specifications Unknown
  • 32 MP
  • f/2.4
  • 26mm (wide)
  • 1/2.8''
  • 0.8µm
Performance

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

Performance — specifications for Sidekick, X30.
SpecificationSidekickX30
Processor CPU Unknown
  • Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
Graphics processor GPU Unknown
  • Mali-G76 MP5
Antutu 8 score * Unknown
  • 332541
General specs
General specs — specifications for Sidekick, X30.
SpecificationSidekickX30
Release date
  • 2008
  • July
  • 2019
  • December
Colors
  • Black
  • Black
  • Peach
  • Light Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 420 EUR
Battery life
  • Stand by time- Up to 216 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Glass front
  • glass back
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick, X30.
SpecificationSidekickX30
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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) -5G - 5G band 41(2500)
  • 78(3500); SA/NSA
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • 5G (3.6+ Gbps DL)
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
  • miniUSB
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Sidekick, X30.
SpecificationSidekickX30
Radio
  • No
  • FM radio
Others
  • Swivel display
  • HDR -800 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick, X30.
SpecificationSidekickX30
Dop
  • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 33W