LG Optimus LTE SU640 vs T-Mobile HD2

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: 22 g lighter

    Optimus LTE SU640:
    135 g
    HD2:
    157 g
  • Screen diagonal

    HD2: 0.2 in smaller diagonal

    Optimus LTE SU640:
    4.5 in
    HD2:
    4.3 in
  • Chipset

    Optimus LTE SU640:
    Qualcomm MSM8660 Snapdragon S3
    HD2:
    Qualcomm QSD8250 Snapdragon S1
  • Depth

    Optimus LTE SU640: 0.6 mm thinner

    Optimus LTE SU640:
    10.4 mm
    HD2:
    11 mm
  • Height

    HD2: 10.9 mm shorter

    Optimus LTE SU640:
    132.9 mm
    HD2:
    122 mm
  • Release year

    Optimus LTE SU640:
    2011
    HD2:
    2010

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 +10.9 mm versus HD2
    Width:
    67.9 mm
    Depth:
    10.4 mm
  2. 2. HD2

    Height:
    122 mm
    Width:
    67 mm
    Depth:
    11 mm +0.6 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. HD2

    157 g

    +22 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. HD2

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²

Optimus LTE SU640 has approximately 6.1% more rectangular screen area than HD2.

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, HD2, compared at the same storage capacity.
StorageOptimus LTE SU640HD2
4 GB 1 GB RAM Unknown
HD2: Original memory entry

576 MB RAM · 1 GB ROM

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. HD2

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. Optimus LTE SU640

    1830 mAh

    +600 mAh versus HD2

  2. 2. HD2

    1230 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. HD2

Everyday essentials
Everyday essentials — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
Dimensions (HxWxD)
  • 132.9 Х 67.9 Х 10.4 mm
  • 122 Х 67 Х 11 mm
Weight
  • 135 g
  • 157 g
Technology
  • HD-IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 4.3" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 576 MB RAM
  • 1 GB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1830 mAh
  • Removable Li-Ion
  • 1230 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Microsoft Windows Mobile 6.5 Professional; Sense UI
Chipset
  • Qualcomm MSM8660 Snapdragon S3
  • Qualcomm QSD8250 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 55.8 cm2
  • 52.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 61.9%
  • 64.4%
PPI /points per inch/
  • 326 PPI
  • 217 PPI
Camera and Video
Camera and Video — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
Video
  • 1080p@30fps
  • 480p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
Processor CPU
  • Dual-core 1.5 GHz Scorpion
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 220
  • Adreno 200
General specs
General specs — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
Release date
  • 2011
  • October
  • 2010
  • January
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 7 h
  • Stand by time- Up to 480 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
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 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • HSPA 7.2/2 Mbps
GPRS
  • No
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS; NaviPanel
USB
  • microUSB 2.0 (MHL TV-out)
  • microUSB
Bluetooth
  • 3.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Optimus LTE SU640, HD2.
SpecificationOptimus LTE SU640HD2
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
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/eAAC+ player -MP4/WMV/H.264 player -Pocket Office -HTC Peep
  • HTC Footprints -T-mobile services: MobiTV
  • BLOCKBUSTER
  • Barnes & Nobl
  • Gogo Inflight Internet -Transformers & Transformers 2 movies preloaded -Voice memo -Predictive text input