Acer Stream 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

    Stream:
    OLED
    Optimus LTE SU640:
    LCD
  • Weight

    Optimus LTE SU640: 5 g lighter

    Stream:
    140 g
    Optimus LTE SU640:
    135 g
  • Width

    Stream: 4.9 mm narrower

    Stream:
    63 mm
    Optimus LTE SU640:
    67.9 mm
  • Screen diagonal

    Stream: 0.8 in smaller diagonal

    Stream:
    3.7 in
    Optimus LTE SU640:
    4.5 in
  • Chipset

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

    Optimus LTE SU640: 0.8 mm thinner

    Stream:
    11.2 mm
    Optimus LTE SU640:
    10.4 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. Stream

    Height:
    119.5 mm
    Width:
    63 mm
    Depth:
    11.2 mm +0.8 mm versus Optimus LTE SU640
  2. 2. Optimus LTE SU640

    Height:
    132.9 mm +13.4 mm versus Stream
    Width:
    67.9 mm +4.9 mm versus Stream
    Depth:
    10.4 mm

Weight

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

  1. 1. Stream

    140 g

    +5 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. Stream

    Screen diagonal:
    3.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    39 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 43.3% more rectangular screen area than Stream.

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

32 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. Stream

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

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. Stream

    1400 mAh

  2. 2. Optimus LTE SU640

    1830 mAh

    +430 mAh versus Stream

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. Stream2. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
Dimensions (HxWxD)
  • 119.5 Х 63 Х 11.2 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 140 g
  • 135 g
Technology
  • Super AMOLED
  • HD-IPS LCD
Screen size
  • 3.7" 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.
  • 32 GB
  • 512 MB RAM - Liquid M2208 GB
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
  • 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 2.1 (Eclair)
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Qualcomm QSD8250 Snapdragon S1
  • Qualcomm MSM8660 Snapdragon S3
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 39.0 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 51.8%
  • 61.9%
PPI /points per inch/
  • 252 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • 720p@24fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications
  • Super AMOLED
  • 1.3 MP
Performance
Performance — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
Processor CPU
  • 1.0 GHz Scorpion
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU
  • Adreno 200
  • Adreno 220
General specs
General specs — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
Release date
  • 2010
  • May
  • 2011
  • October
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 400 h (3G) Talking time- Up to 5 h (3G)
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • 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 7.2/2 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • No
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA & UPnP technology
  • 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
  • Wi-Fi 802.11 a/b/g/n/ac
  • A2DP
  • 3.0
  • A2DP
Music and Audio
Music and Audio — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Dedicated music keys -Dolby Mobile
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Stream, Optimus LTE SU640.
SpecificationStreamOptimus LTE SU640
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Micro HDMI port -Dedicated search key -MP3/WAV/WMA/eAAC+ player -MP4/Xvid/WMV/H.264 player -Document viewer -Voice memo -Predictive text input - Also known as Acer Liquid Stream
  • 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