LG Optimus LTE SU640 vs Nokia N71

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.

  • Width

    N71: 16.7 mm narrower

    Optimus LTE SU640:
    67.9 mm
    N71:
    51.2 mm
  • Screen diagonal

    N71: 2.1 in smaller diagonal

    Optimus LTE SU640:
    4.5 in
    N71:
    2.4 in
  • Depth

    Optimus LTE SU640: 15.4 mm thinner

    Optimus LTE SU640:
    10.4 mm
    N71:
    25.8 mm
  • Height

    N71: 34.3 mm shorter

    Optimus LTE SU640:
    132.9 mm
    N71:
    98.6 mm
  • Release year

    Optimus LTE SU640:
    2011
    N71:
    2005

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. Optimus LTE SU640

    Height:
    132.9 mm +34.3 mm versus N71
    Width:
    67.9 mm +16.7 mm versus N71
    Depth:
    10.4 mm
  2. 2. N71

    Height:
    98.6 mm
    Width:
    51.2 mm
    Depth:
    25.8 mm +15.4 mm versus Optimus LTE SU640

Weight

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

  1. 1. Optimus LTE SU640

    135 g

  2. 2. N71

    139 g

    +4 g versus Optimus LTE SU640

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. Optimus LTE SU640

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. N71

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²

Optimus LTE SU640 has approximately 213% more rectangular screen area than N71.

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 Optimus LTE SU640, N71, compared at the same storage capacity.
StorageOptimus LTE SU640N71
4 GB 1 GB RAM Unknown
N71: Original memory entry

10 MB

Practical features

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

1. Optimus LTE SU640

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

2. N71

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 2 GB (dedicated slot) · 128 MB 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. Optimus LTE SU640

    1830 mAh

    +860 mAh versus N71

  2. 2. N71

    970 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. Optimus LTE SU6402. N71

Everyday essentials
Everyday essentials — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
Dimensions (HxWxD)
  • 132.9 Х 67.9 Х 10.4 mm
  • 98.6 Х 51.2 Х 25.8 mm
Weight
  • 135 g
  • 139 g
Technology
  • HD-IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 2.4" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 10 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
  • microSD
  • up to 2 GB (dedicated slot)
  • 128 MB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1830 mAh
  • Removable Li-Ion
  • 970 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Symbian
  • Series 60 UI
Chipset
  • Qualcomm MSM8660 Snapdragon S3
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 55.8 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 61.9%
  • 35.3%
PPI /points per inch/
  • 326 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • CIF
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA videocall camera
Performance
Performance — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
Processor CPU
  • Dual-core 1.5 GHz Scorpion
  • 220 MHz Dual ARM 9
Graphics processor GPU
  • Adreno 220
Unknown
General specs
General specs — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
Release date
  • 2011
  • October
  • 2005
  • Q4
Colors
  • Black
  • White
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 270 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 7 h
  • Stand by time- Up to 220 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE 800
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • Yes
  • 384 kbps
GPRS
  • No
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0 (MHL TV-out)
  • Pop-Port
Bluetooth
  • 3.0
  • A2DP
  • 1.2
Harmful irradiation Unknown
  • SAR - 0.42 W/kg (head) 0.36 W/kg (body) SAR EU - 0.41 W/kg (head)
Music and Audio
Music and Audio — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
Radio
  • No
  • FM radio
Others
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
  • Second external display 65K colors
  • (96x68 pixels) -Downloadable themes
Other features
Other features — specifications for Optimus LTE SU640, N71.
SpecificationOptimus LTE SU640N71
Dop
  • 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
  • Infrared port - SyncML -Organizer -Voice command -Voice memo