LG Optimus LTE SU640 vs ZTE Blade S6

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: 19 g lighter

    Optimus LTE SU640:
    135 g
    Blade S6:
    154 g
  • Width

    Optimus LTE SU640: 2.8 mm narrower

    Optimus LTE SU640:
    67.9 mm
    Blade S6:
    70.7 mm
  • Screen diagonal

    Optimus LTE SU640: 0.5 in smaller diagonal

    Optimus LTE SU640:
    4.5 in
    Blade S6:
    5 in
  • Chipset

    Optimus LTE SU640:
    Qualcomm MSM8660 Snapdragon S3
    Blade S6:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    Blade S6: 2.7 mm thinner

    Optimus LTE SU640:
    10.4 mm
    Blade S6:
    7.7 mm
  • Height

    Optimus LTE SU640: 11.1 mm shorter

    Optimus LTE SU640:
    132.9 mm
    Blade S6:
    144 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. Optimus LTE SU640

    Height:
    132.9 mm
    Width:
    67.9 mm
    Depth:
    10.4 mm +2.7 mm versus Blade S6
  2. 2. Blade S6

    Height:
    144 mm +11.1 mm versus Optimus LTE SU640
    Width:
    70.7 mm +2.8 mm versus Optimus LTE SU640
    Depth:
    7.7 mm

Weight

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

  1. 1. Optimus LTE SU640

    135 g

  2. 2. Blade S6

    154 g

    +19 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. Blade S6

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Blade S6 has approximately 23.5% more rectangular screen area than Optimus LTE SU640.

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, Blade S6, compared at the same storage capacity.
StorageOptimus LTE SU640Blade S6
4 GB 1 GB RAM Not recorded
16 GB Not recorded 2 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. Optimus LTE SU640

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

2. Blade S6

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

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

  2. 2. Blade S6

    2400 mAh

    +570 mAh versus Optimus LTE SU640

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. Blade S6

Everyday essentials
Everyday essentials — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
Dimensions (HxWxD)
  • 132.9 Х 67.9 Х 10.4 mm
  • 144 Х 70.7 Х 7.7 mm
Weight
  • 135 g
  • 154 g
Technology
  • HD-IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1830 mAh
  • Removable Li-Ion
  • 2400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Android 5.1 (Lollipop); MiFavor 3
Chipset
  • Qualcomm MSM8660 Snapdragon S3
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.9%
  • 67.7%
PPI /points per inch/
  • 326 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
  • f/2.7
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
Processor CPU
  • Dual-core 1.5 GHz Scorpion
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 220
  • Adreno 405
Antutu 7 score * Unknown
  • 30214
GeekBench 4 Single Core * Unknown
  • 657
GeekBench 4 Multi-Core * Unknown
  • 2366
General specs
General specs — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
Release date
  • 2011
  • October
  • 2015
  • January
Colors
  • Black
  • White
  • White
  • Aurora purple
  • Tahiti brown
  • Venice gold
  • Baroque red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 220 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 7 h
  • Stand by time- Up to 180 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 HSDPA 850 / 2100 - AU -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 3(1800)
  • 28(700) - AU
Speed
  • HSPA
  • LTE
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • No
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0 (MHL TV-out)
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.78 W/kg (head) 0.67 W/kg (body)
Music and Audio
Music and Audio — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
Radio
  • No
  • FM radio
Others
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Optimus LTE SU640, Blade S6.
SpecificationOptimus LTE SU640Blade S6
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
  • gyro
  • proximity
  • compass