You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

T-Mobile Sidekick 4G vs Vertu Aster

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 4G: 31 g lighter

    Sidekick 4G:
    162 g
    Aster:
    193 g
  • Width

    Sidekick 4G: 8 mm narrower

    Sidekick 4G:
    61 mm
    Aster:
    69 mm
  • Screen diagonal

    Sidekick 4G: 1.2 in smaller diagonal

    Sidekick 4G:
    3.5 in
    Aster:
    4.7 in
  • Depth

    Aster: 3.8 mm thinner

    Sidekick 4G:
    15 mm
    Aster:
    11.2 mm
  • Height

    Sidekick 4G: 16.4 mm shorter

    Sidekick 4G:
    127 mm
    Aster:
    143.4 mm
  • Release year

    Sidekick 4G:
    2011
    Aster:
    2014

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 4G

    Height:
    127 mm
    Width:
    61 mm
    Depth:
    15 mm +3.8 mm versus Aster
  2. 2. Aster

    Height:
    143.4 mm +16.4 mm versus Sidekick 4G
    Width:
    69 mm +8 mm versus Sidekick 4G
    Depth:
    11.2 mm

Weight

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

  1. 1. Sidekick 4G

    162 g

  2. 2. Aster

    193 g

    +31 g versus Sidekick 4G

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 4G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Aster

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

Aster has approximately 74.7% more rectangular screen area than Sidekick 4G.

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 4G, Aster, compared at the same storage capacity.
StorageSidekick 4GAster
64 GB Unknown 2 GB RAM
Sidekick 4G: Original memory entry

1 GB · 512 MB 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 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

2. Aster

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 4G

    1500 mAh

  2. 2. Aster

    2275 mAh

    +775 mAh versus Sidekick 4G

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 4G2. Aster

Everyday essentials
Everyday essentials — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
Dimensions (HxWxD)
  • 127 Х 61 Х 15 mm
  • 143.4 Х 69 Х 11.2 mm
Weight
  • 162 g
  • 193 g
Technology
  • TFT
  • Sapphire crystal glass
Screen size
  • 3.5" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB
  • 512 MB RAM
  • 64 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2275 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 4.4.2 (KitKat)
Chipset
  • Hummingbird
  • Qualcomm Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 59.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 45.0%
  • 60.5%
PPI /points per inch/
  • 267 PPI
  • 473 PPI
Screen protection Unknown
  • Sapphire crystal glass
  • oleophobic coating
Camera and Video
Camera and Video — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • Hasselblad certified
  • AF
Functions Unknown
  • Dual-LED flash
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • VGA
  • 2.1 MP
Performance

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

Performance — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
Processor CPU
  • 1.0 GHz Cortex-A8
  • Quad-core 2.3 GHz Krait 400
Graphics processor GPU
  • PowerVR SGX540
  • Adreno 330
Antutu 7 score * Unknown
  • 37242
GeekBench 4 Single Core * Unknown
  • 509
GeekBench 4 Multi-Core * Unknown
  • 887
General specs
General specs — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
Release date
  • 2011
  • March
  • 2014
  • October
Colors
  • Matte Black
  • Pearl magenta
  • Onyx Calf
  • Lagoon Calf
  • Blush Calf
  • Caviar Karung
  • Tangerine Karung
  • Raspberry Ostrich
  • Cognac Ostrich
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 5440 EUR
Battery life
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
  • Stand by time- Up to 380 h (3G) Talking time- Up to 15 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 20(800)
  • 25(1900)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 3.0
  • A2DP
  • 4.0
  • A2DP
  • aptX
  • LE
Harmful irradiation
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
Radio
  • Nо
  • No
Others Unknown
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick 4G, Aster.
SpecificationSidekick 4GAster
Dop
  • Sensors Accelerometer
  • proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor
  • PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel