T-Mobile Sidekick vs Vertu Signature Touch (2015)

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: 97 g lighter

    Sidekick:
    128 g
    Signature Touch (2015):
    225 g
  • Width

    Sidekick: 16 mm narrower

    Sidekick:
    58 mm
    Signature Touch (2015):
    74 mm
  • Screen diagonal

    Sidekick: 2.6 in smaller diagonal

    Sidekick:
    2.6 in
    Signature Touch (2015):
    5.2 in
  • Depth

    Signature Touch (2015): 7.2 mm thinner

    Sidekick:
    18 mm
    Signature Touch (2015):
    10.8 mm
  • Height

    Sidekick: 36 mm shorter

    Sidekick:
    119 mm
    Signature Touch (2015):
    155 mm
  • Release year

    Sidekick:
    2008
    Signature Touch (2015):
    2015

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 +7.2 mm versus Signature Touch (2015)
  2. 2. Signature Touch (2015)

    Height:
    155 mm +36 mm versus Sidekick
    Width:
    74 mm +16 mm versus Sidekick
    Depth:
    10.8 mm

Weight

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

  1. 1. Sidekick

    128 g

  2. 2. Signature Touch (2015)

    225 g

    +97 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. Signature Touch (2015)

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

Signature Touch (2015) has approximately 287.4% 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.

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

Sidekick: Original memory entry

128 MB RAM · 64 MB ROM

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

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. Signature Touch (2015)

NFC:
Yes
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. Signature Touch (2015)

    3160 mAh

    +2130 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. Signature Touch (2015)

Everyday essentials
Everyday essentials — specifications for Sidekick, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
Dimensions (HxWxD)
  • 119 Х 58 Х 18 mm
  • 155 Х 74 Х 10.8 mm
Weight
  • 128 g
  • 225 g
Technology
  • TFT
  • Sapphire crystal glass
Screen size
  • 2.6" inch
  • 5.2" 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.
  • 128 MB RAM
  • 64 MB ROM
  • 64 GB
  • 512GB 4GB
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
  • 3160 mAh
  • Non-removable Li-Ion
Operating system OS
  • Danger 4.7
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 19.2 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 27.9%
  • 65.0%
PPI /points per inch/
  • 179 PPI
  • 424 PPI
Screen protection Unknown
  • Sapphire crystal glass
Camera and Video
Camera and Video — specifications for Sidekick, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
Rear camera, main
  • 1.3 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 1.3 MP
  • 21 MP
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 2.1 MP
  • Single
Specifications Unknown
  • 2.1 MP
Performance
Performance — specifications for Sidekick, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
Processor CPU Unknown
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 430
General specs
General specs — specifications for Sidekick, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
Release date
  • 2008
  • July
  • 2015
  • September
Colors
  • Black
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 9000 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, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 28(700)
  • 29(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
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
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB
  • microUSB 2.0 (MHL)
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for Sidekick, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
Radio
  • No
  • No
Others
  • Swivel display
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick, Signature Touch (2015).
SpecificationSidekickSignature Touch (2015)
Dop
  • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel