HTC Velocity 4G 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

    Optimus LTE SU640: 28.8 g lighter

    Velocity 4G:
    163.8 g
    Optimus LTE SU640:
    135 g
  • Chipset

    Velocity 4G:
    Qualcomm MSM8260 Snapdragon S3
    Optimus LTE SU640:
    Qualcomm MSM8660 Snapdragon S3
  • Depth

    Optimus LTE SU640: 0.9 mm thinner

    Velocity 4G:
    11.3 mm
    Optimus LTE SU640:
    10.4 mm
  • Height

    Velocity 4G: 4.1 mm shorter

    Velocity 4G:
    128.8 mm
    Optimus LTE SU640:
    132.9 mm
  • Release year

    Velocity 4G:
    2012
    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. Velocity 4G

    Height:
    128.8 mm
    Width:
    67 mm
    Depth:
    11.3 mm +0.9 mm versus Optimus LTE SU640
  2. 2. Optimus LTE SU640

    Height:
    132.9 mm +4.1 mm versus Velocity 4G
    Width:
    67.9 mm
    Depth:
    10.4 mm

Weight

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

  1. 1. Velocity 4G

    163.8 g

    +28.8 g versus Optimus LTE SU640

  2. 2. Optimus LTE SU640

    135 g

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. Velocity 4G

    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 Velocity 4G, Optimus LTE SU640, compared at the same storage capacity.
StorageVelocity 4GOptimus LTE SU640
4 GB Unknown 1 GB RAM
Velocity 4G: Original memory entry

16 GB (13 GB user available) · 1 GB 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. Velocity 4G

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. Velocity 4G

    1620 mAh

  2. 2. Optimus LTE SU640

    1830 mAh

    +210 mAh versus Velocity 4G

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. Velocity 4G2. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus LTE SU640
Dimensions (HxWxD)
  • 128.8 Х 67 Х 11.3 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 163.8 g
  • 135 g
Technology
  • S-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.
  • 16 GB (13 GB user available)
  • 1 GB 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.
  • 1620 mAh
  • Removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.7 (Gingerbread)
  • upgradable to 4.0.4 (Ice Cream Sandwich); Sense UI 3.5
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Qualcomm MSM8260 Snapdragon S3
  • Qualcomm MSM8660 Snapdragon S3
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus 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
  • 64.7%
  • 61.9%
PPI /points per inch/
  • 245 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus LTE SU640
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 1.3 MP
  • 1.3 MP
Performance
Performance — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus LTE SU640
Processor CPU
  • Dual-core 1.5 GHz Scorpion
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU
  • Adreno 220
  • Adreno 220
General specs
General specs — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus LTE SU640
Release date
  • 2012
  • January
  • 2011
  • October
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 293 h (2G) / Up to 248 h (3G) Talking time- Up to 7 h 40 min (2G) / Up to 5 h 10 min (3G)
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus LTE SU640
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 2100 HSDPA 900 / 2100 -4G - LTE band 3(1800) LTE band 7(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE 800
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA
  • LTE
GPRS
  • Up to 80 kbps
  • No
Edge
  • Up to 236.8 kbps
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • 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 (MHL TV-out)
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 3.0
  • A2DP
  • 3.0
  • A2DP
Music and Audio
Music and Audio — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus LTE SU640
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Active noise cancellation with dedicated mic
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Velocity 4G, Optimus LTE SU640.
SpecificationVelocity 4GOptimus LTE SU640
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer -Voice memo/dial/commands -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