T-Mobile Sidekick vs vivo S1

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: 51 g lighter

    Sidekick:
    128 g
    S1:
    179 g
  • Width

    Sidekick: 17.2 mm narrower

    Sidekick:
    58 mm
    S1:
    75.2 mm
  • Screen diagonal

    Sidekick: 3.93 in smaller diagonal

    Sidekick:
    2.6 in
    S1:
    6.53 in
  • Rear camera layout

    Sidekick:
    Single
    S1:
    Triple
  • Depth

    S1: 9.9 mm thinner

    Sidekick:
    18 mm
    S1:
    8.1 mm
  • Height

    Sidekick: 40.5 mm shorter

    Sidekick:
    119 mm
    S1:
    159.5 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 +9.9 mm versus S1
  2. 2. S1

    Height:
    159.5 mm +40.5 mm versus Sidekick
    Width:
    75.2 mm +17.2 mm versus Sidekick
    Depth:
    8.1 mm

Weight

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

  1. 1. Sidekick

    128 g

  2. 2. S1

    179 g

    +51 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. S1

    Screen diagonal:
    6.53 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    104.7 cm²

S1 has approximately 444% 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.

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

Sidekick: Original memory entry

128 MB RAM · 64 MB ROM

S1: Original memory entry

128 GB · 4/6 GB 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

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

2. S1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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

    1030 mAh

  2. 2. S1

    3940 mAh

    +2910 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. S1

Everyday essentials
Everyday essentials — specifications for Sidekick, S1.
SpecificationSidekickS1
Dimensions (HxWxD)
  • 119 Х 58 Х 18 mm
  • 159.5 Х 75.2 Х 8.1 mm
Weight
  • 128 g
  • 179 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.6" inch
  • 6.53" inch
Screen resolution
  • 240 x 400 px
  • 1080 x 2340 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
  • 128 GB
  • 4/6 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1030 mAh
  • Removable Li-Ion
  • 3940 mAh
  • Non-removable Li-Po
Operating system OS
  • Danger 4.7
  • Android 9.0 (Pie); Funtouch 9
Chipset Unknown
  • Mediatek MT6768 Helio P65 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick, S1.
SpecificationSidekickS1
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 19.2 cm2
  • 104.7 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 27.9%
  • 83.3%
PPI /points per inch/
  • 179 PPI
  • 395 PPI
Camera and Video
Camera and Video — specifications for Sidekick, S1.
SpecificationSidekickS1
Rear camera, main
  • 1.3 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 1.3 MP
  • 16 MP
  • f/1.8
  • (wide)
  • 1/2.8"
  • 1.12µm
  • PDAF - 8 MP
  • f/2.2
  • 13mm (ultrawide) - 2 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 25 MP
  • Single
Specifications Unknown
  • Motorized pop-up 25 MP
  • f/2.0
Performance

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

Performance — specifications for Sidekick, S1.
SpecificationSidekickS1
Processor CPU Unknown
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G52 MC2
Antutu 8 score * Unknown
  • 186816
GeekBench 5 Single Core * Unknown
  • 345
GeekBench 5 Multi-Core * Unknown
  • 1267
General specs
General specs — specifications for Sidekick, S1.
SpecificationSidekickS1
Release date
  • 2008
  • July
  • 2019
  • March
Colors
  • Black
  • Diamond black
  • Skyline Blue
  • Cosmic Green
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 230 EUR
Battery life
  • Stand by time- Up to 216 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick, S1.
SpecificationSidekickS1
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)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat7 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
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Sidekick, S1.
SpecificationSidekickS1
Radio
  • No
  • FM radio
Others
  • Swivel display
  • Always-on display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick, S1.
SpecificationSidekickS1
Dop
  • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W - Versions: V1907 (Asia); Also known as vivo Y7s for China