Motorola ROKR E8 vs T-Mobile Sidekick 4G

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

    ROKR E8: 62 g lighter

    ROKR E8:
    100 g
    Sidekick 4G:
    162 g
  • Width

    ROKR E8: 8 mm narrower

    ROKR E8:
    53 mm
    Sidekick 4G:
    61 mm
  • Screen diagonal

    ROKR E8: 1.5 in smaller diagonal

    ROKR E8:
    2 in
    Sidekick 4G:
    3.5 in
  • Depth

    ROKR E8: 4.4 mm thinner

    ROKR E8:
    10.6 mm
    Sidekick 4G:
    15 mm
  • Height

    ROKR E8: 12 mm shorter

    ROKR E8:
    115 mm
    Sidekick 4G:
    127 mm
  • Release year

    ROKR E8:
    2007
    Sidekick 4G:
    2011

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. ROKR E8

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    10.6 mm
  2. 2. Sidekick 4G

    Height:
    127 mm +12 mm versus ROKR E8
    Width:
    61 mm +8 mm versus ROKR E8
    Depth:
    15 mm +4.4 mm versus ROKR E8

Weight

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

  1. 1. ROKR E8

    100 g

  2. 2. Sidekick 4G

    162 g

    +62 g versus ROKR E8

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. ROKR E8

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²
  2. 2. Sidekick 4G

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

Sidekick 4G has approximately 181.5% more rectangular screen area than ROKR E8.

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.

ROKR E8: Original memory entry

2 GB

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. ROKR E8

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

2. Sidekick 4G

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

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. ROKR E8

    970 mAh

  2. 2. Sidekick 4G

    1500 mAh

    +530 mAh versus ROKR E8

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. ROKR E82. Sidekick 4G

Everyday essentials
Everyday essentials — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
Dimensions (HxWxD)
  • 115 Х 53 Х 10.6 mm
  • 127 Х 61 Х 15 mm
Weight
  • 100 g
  • 162 g
Technology
  • TFT
  • TFT
Screen size
  • 2" inch
  • 3.5" inch
Screen resolution
  • 320 x 240 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 2 GB
  • 1 GB
  • 512 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 970 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Linux / Java-based MOTOMAGX
  • Android 2.2 (Froyo)
Chipset Unknown
  • Hummingbird
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 12.4 cm2
  • 34.9 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 20.3%
  • 45.0%
PPI /points per inch/
  • 200 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
Processor CPU Unknown
  • 1.0 GHz Cortex-A8
Graphics processor GPU Unknown
  • PowerVR SGX540
General specs
General specs — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
Release date
  • 2007
  • September
  • 2011
  • March
Colors
  • Dark Navy
  • Platinum
  • Matte Black
  • Pearl magenta
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 310 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 5 h
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation
  • SAR - 1.02 W/kg (head) 0.85 W/kg (body) SAR EU - 0.89 W/kg (head)
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Music and Audio
Music and Audio — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
Radio
  • Stereo FM radio
  • Nо
Others
  • ModeShift morphing keypad -Navigation scroll wheel
Unknown
Other features
Other features — specifications for ROKR E8, Sidekick 4G.
SpecificationROKR E8Sidekick 4G
Dop
  • MP3/AAC player -Organizer
  • 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