alcatel Fire E vs LG Optimus LTE SU640

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: 32 g lighter

    Fire E:
    103 g
    Optimus LTE SU640:
    135 g
  • Width

    Fire E: 4.4 mm narrower

    Fire E:
    63.5 mm
    Optimus LTE SU640:
    67.9 mm
  • Depth

    Fire E: 2.2 mm thinner

    Fire E:
    8.2 mm
    Optimus LTE SU640:
    10.4 mm
  • Height

    Fire E: 3.9 mm shorter

    Fire E:
    129 mm
    Optimus LTE SU640:
    132.9 mm
  • Release year

    Fire E:
    2014
    Optimus LTE SU640:
    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
    Width:
    63.5 mm
    Depth:
    8.2 mm
  2. 2. Optimus LTE SU640

    Height:
    132.9 mm +3.9 mm versus Fire E
    Width:
    67.9 mm +4.4 mm versus Fire E
    Depth:
    10.4 mm +2.2 mm versus Fire E

Weight

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

  1. 1. Fire E

    103 g

  2. 2. Optimus LTE SU640

    135 g

    +32 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. Optimus LTE SU640

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

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 Fire E, Optimus LTE SU640, compared at the same storage capacity.
StorageFire EOptimus LTE SU640
4 GB Unknown 1 GB RAM
Fire E: Original memory entry

4 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. Optimus LTE SU640

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 16 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

  2. 2. Optimus LTE SU640

    1830 mAh

    +130 mAh versus Fire E

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. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
Dimensions (HxWxD)
  • 129 Х 63.5 Х 8.2 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 103 g
  • 135 g
Technology
  • IPS LCD
  • HD-IPS LCD
Screen size
  • 4.5" inch
  • 4.5" inch
Screen resolution
  • 540 x 960 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Firefox OS 1.3
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Qualcomm MSM8660 Snapdragon S3
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.1%
  • 61.9%
PPI /points per inch/
  • 245 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance
Performance — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
Processor CPU
  • Dual-core 1.2 GHz
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 220
General specs
General specs — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
Release date
  • 2014
  • February
  • 2011
  • October
Colors
  • Slate
  • Dark Chocolate
  • Mozilla Orange
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 120 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 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
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 -3G - HSDPA 850 / 1900 -4G - LTE 800
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 3.0
  • A2DP
  • 3.0
  • A2DP
Music and Audio
Music and Audio — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
Radio
  • FM radio
  • RDS
  • No
Others Unknown
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Fire E, Optimus LTE SU640.
SpecificationFire EOptimus LTE SU640
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - T-DMB TV tuner -MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -True HD movie editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - For South Korea