Allview Impera M 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

    Impera M: 25 g lighter

    Impera M:
    110 g
    Optimus LTE SU640:
    135 g
  • Width

    Impera M: 3.5 mm narrower

    Impera M:
    64.4 mm
    Optimus LTE SU640:
    67.9 mm
  • Screen diagonal

    Impera M: 0.5 in smaller diagonal

    Impera M:
    4 in
    Optimus LTE SU640:
    4.5 in
  • Chipset

    Impera M:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Optimus LTE SU640:
    Qualcomm MSM8660 Snapdragon S3
  • Depth

    Impera M: 0.5 mm thinner

    Impera M:
    9.9 mm
    Optimus LTE SU640:
    10.4 mm
  • Height

    Impera M: 10.4 mm shorter

    Impera M:
    122.5 mm
    Optimus LTE SU640:
    132.9 mm

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. Impera M

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm
  2. 2. Optimus LTE SU640

    Height:
    132.9 mm +10.4 mm versus Impera M
    Width:
    67.9 mm +3.5 mm versus Impera M
    Depth:
    10.4 mm +0.5 mm versus Impera M

Weight

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

  1. 1. Impera M

    110 g

  2. 2. Optimus LTE SU640

    135 g

    +25 g versus Impera M

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. Impera M

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Optimus LTE SU640

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

Optimus LTE SU640 has approximately 22.6% more rectangular screen area than Impera M.

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 Impera M, Optimus LTE SU640, compared at the same storage capacity.
StorageImpera MOptimus LTE SU640
4 GB Unknown 1 GB RAM
Impera M: Original memory entry

4 GB · 512 MB RAM - Liquid M2208 GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Impera M

NFC:
See details Super AMOLED
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. Impera M

    1420 mAh

  2. 2. Optimus LTE SU640

    1830 mAh

    +410 mAh versus Impera M

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. Impera M2. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
Dimensions (HxWxD)
  • 122.5 Х 64.4 Х 9.9 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 110 g
  • 135 g
Technology
  • TFT
  • HD-IPS LCD
Screen size
  • 4" inch
  • 4.5" 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.
  • 4 GB
  • 512 MB RAM - Liquid M2208 GB
  • 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.
  • 1420 mAh
  • Removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Qualcomm MSM8660 Snapdragon S3
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.7%
  • 61.9%
PPI /points per inch/
  • 233 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 480p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2 MP or VGA
  • 1.3 MP
Performance

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

Performance — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU
  • Adreno 302
  • Adreno 220
Antutu 7 score *
  • 11836
Unknown
General specs
General specs — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
Release date
  • 2014
  • October
  • 2011
  • October
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h 30 min
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • 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
  • 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
  • 4.0
  • A2DP
  • EDR
  • 3.0
  • A2DP
Music and Audio
Music and Audio — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
Radio
  • FM radio
  • No
Others Unknown
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Impera M, Optimus LTE SU640.
SpecificationImpera MOptimus LTE SU640
Dop
  • Sensors Accelerometer
  • proximity
  • 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