Allview P4 Duo 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.

  • Display technology

    OLED versus LCD

    P4 Duo:
    OLED
    Optimus LTE SU640:
    LCD
  • Weight

    P4 Duo: 30 g lighter

    P4 Duo:
    105 g
    Optimus LTE SU640:
    135 g
  • Width

    P4 Duo: 3.5 mm narrower

    P4 Duo:
    64.4 mm
    Optimus LTE SU640:
    67.9 mm
  • Screen diagonal

    P4 Duo: 0.5 in smaller diagonal

    P4 Duo:
    4 in
    Optimus LTE SU640:
    4.5 in
  • Chipset

    P4 Duo:
    Mediatek MT6580 (28 nm)
    Optimus LTE SU640:
    Qualcomm MSM8660 Snapdragon S3
  • Height

    P4 Duo: 7.3 mm shorter

    P4 Duo:
    125.6 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. P4 Duo

    Height:
    125.6 mm
    Width:
    64.4 mm
    Depth:
    10 mm
  2. 2. Optimus LTE SU640

    Height:
    132.9 mm +7.3 mm versus P4 Duo
    Width:
    67.9 mm +3.5 mm versus P4 Duo
    Depth:
    10.4 mm

Weight

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

  1. 1. P4 Duo

    105 g

  2. 2. Optimus LTE SU640

    135 g

    +30 g versus P4 Duo

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. P4 Duo

    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 P4 Duo.

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 P4 Duo, Optimus LTE SU640, compared at the same storage capacity.
StorageP4 DuoOptimus LTE SU640
4 GB Not recorded 1 GB RAM
8 GB 1 GB RAM Not recorded

Practical features

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

1. P4 Duo

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. P4 Duo

    1400 mAh

  2. 2. Optimus LTE SU640

    1830 mAh

    +430 mAh versus P4 Duo

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. P4 Duo2. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus LTE SU640
Dimensions (HxWxD)
  • 125.6 Х 64.4 Х 10 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 105 g
  • 135 g
Technology
  • Super AMOLED
  • 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.
  • 8 GB
  • 1 GB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6580 (28 nm)
  • Qualcomm MSM8660 Snapdragon S3
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus LTE SU640
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 156.3 Х 77.5 Х 8.9 mm
  • 61.9%
PPI /points per inch/
  • 233 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus LTE SU640
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2 MP
  • 1.3 MP
Performance
Performance — specifications for P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus LTE SU640
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 220
General specs
General specs — specifications for P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus LTE SU640
Release date
  • 2016
  • March
  • 2011
  • October
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 7 h
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus LTE SU640
SIM card
  • Dual SIM (Mini-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 21.1/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Class 12
  • No
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus 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 P4 Duo, Optimus LTE SU640.
SpecificationP4 DuoOptimus LTE SU640
Dop
  • Sensors Accelerometer
  • 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