T-Mobile Sidekick 4G vs verykool SL5565 Rocket

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 4G: 10 g lighter

    Sidekick 4G:
    162 g
    SL5565 Rocket:
    172 g
  • Width

    Sidekick 4G: 18.2 mm narrower

    Sidekick 4G:
    61 mm
    SL5565 Rocket:
    79.2 mm
  • Screen diagonal

    Sidekick 4G: 2 in smaller diagonal

    Sidekick 4G:
    3.5 in
    SL5565 Rocket:
    5.5 in
  • Depth

    SL5565 Rocket: 6.2 mm thinner

    Sidekick 4G:
    15 mm
    SL5565 Rocket:
    8.8 mm
  • Height

    Sidekick 4G: 29.4 mm shorter

    Sidekick 4G:
    127 mm
    SL5565 Rocket:
    156.4 mm
  • Release year

    Sidekick 4G:
    2011
    SL5565 Rocket:
    2017

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 +6.2 mm versus SL5565 Rocket
  2. 2. SL5565 Rocket

    Height:
    156.4 mm +29.4 mm versus Sidekick 4G
    Width:
    79.2 mm +18.2 mm versus Sidekick 4G
    Depth:
    8.8 mm

Weight

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

  1. 1. Sidekick 4G

    162 g

  2. 2. SL5565 Rocket

    172 g

    +10 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. SL5565 Rocket

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

SL5565 Rocket has approximately 139.2% 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, SL5565 Rocket, compared at the same storage capacity.
StorageSidekick 4GSL5565 Rocket
16 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. SL5565 Rocket

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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 4G

    1500 mAh

  2. 2. SL5565 Rocket

    2700 mAh

    +1200 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. SL5565 Rocket

Everyday essentials
Everyday essentials — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
Dimensions (HxWxD)
  • 127 Х 61 Х 15 mm
  • 156.4 Х 79.2 Х 8.8 mm
Weight
  • 162 g
  • 172 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB
  • 512 MB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2700 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 7.0 (Nougat)
Chipset
  • Hummingbird
  • Mediatek MT6737 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 45.0%
  • 67.3%
PPI /points per inch/
  • 267 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • AF
  • f/2.2
Functions Unknown
  • LED flash
Video
  • 480p@30fps
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
  • f/2.8
Performance

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

Performance — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
Processor CPU
  • 1.0 GHz Cortex-A8
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX540
  • Mali-T720MP2
Antutu 7 score * Unknown
  • 29395
General specs
General specs — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
Release date
  • 2011
  • March
  • 2017
  • August
Colors
  • Matte Black
  • Pearl magenta
  • Darg Gray
  • Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
Unknown
Battery life
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
  • Stand by time- Up to 240 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700) LTE band 2(1900)
  • 28(700)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/11.5 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 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
  • SAR - 0.45 W/kg (head) 1.29 W/kg (body)
Music and Audio
Music and Audio — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
Radio
  • Nо
  • Stereo FM radio
Other features
Other features — specifications for Sidekick 4G, SL5565 Rocket.
SpecificationSidekick 4GSL5565 Rocket
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 Fingerprint (front-mounted)
  • accelerometer
  • proximity