alcatel Fire E 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

    Fire E: 59 g lighter

    Fire E:
    103 g
    Sidekick 4G:
    162 g
  • Width

    Sidekick 4G: 2.5 mm narrower

    Fire E:
    63.5 mm
    Sidekick 4G:
    61 mm
  • Screen diagonal

    Sidekick 4G: 1 in smaller diagonal

    Fire E:
    4.5 in
    Sidekick 4G:
    3.5 in
  • Depth

    Fire E: 6.8 mm thinner

    Fire E:
    8.2 mm
    Sidekick 4G:
    15 mm
  • Height

    Sidekick 4G: 2 mm shorter

    Fire E:
    129 mm
    Sidekick 4G:
    127 mm
  • Release year

    Fire E:
    2014
    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. Fire E

    Height:
    129 mm +2 mm versus Sidekick 4G
    Width:
    63.5 mm +2.5 mm versus Sidekick 4G
    Depth:
    8.2 mm
  2. 2. Sidekick 4G

    Height:
    127 mm
    Width:
    61 mm
    Depth:
    15 mm +6.8 mm versus Fire E

Weight

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

  1. 1. Fire E

    103 g

  2. 2. Sidekick 4G

    162 g

    +59 g versus Fire E

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. Fire E

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Sidekick 4G

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

Fire E has approximately 60.1% 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.

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

Fire E: Original memory entry

4 GB · 512 MB 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. Fire E

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. Fire E

    1700 mAh

    +200 mAh versus Sidekick 4G

  2. 2. Sidekick 4G

    1500 mAh

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. Fire E2. Sidekick 4G

Everyday essentials
Everyday essentials — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
Dimensions (HxWxD)
  • 129 Х 63.5 Х 8.2 mm
  • 127 Х 61 Х 15 mm
Weight
  • 103 g
  • 162 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 540 x 960 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 1 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Firefox OS 1.3
  • Android 2.2 (Froyo)
Chipset Unknown
  • Hummingbird
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 34.9 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 68.1%
  • 45.0%
PPI /points per inch/
  • 245 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • HDR
Unknown
Video
  • 720p@30fps
  • 480p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance
Performance — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
Processor CPU
  • Dual-core 1.2 GHz
  • 1.0 GHz Cortex-A8
Graphics processor GPU Unknown
  • PowerVR SGX540
General specs
General specs — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
Release date
  • 2014
  • February
  • 2011
  • March
Colors
  • Slate
  • Dark Chocolate
  • Mozilla Orange
  • 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 450 h (2G) / Up to 400 h (3G) Talking time- Up to 7 h (2G) / Up to 4 h (3G) Music play - Up to 25 h
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Music and Audio
Music and Audio — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
Radio
  • FM radio
  • RDS
  • Nо
Other features
Other features — specifications for Fire E, Sidekick 4G.
SpecificationFire ESidekick 4G
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input
  • 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