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LG Optimus Chat C550 vs Samsung Galaxy Alpha

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

      Galaxy Alpha: 7 g lighter

      Optimus Chat C550:
      122 g
      Galaxy Alpha:
      115 g

    • Width

      Optimus Chat C550: 6.5 mm narrower

      Optimus Chat C550:
      59 mm
      Galaxy Alpha:
      65.5 mm

    • Screen diagonal

      Optimus Chat C550: 1.9 in smaller diagonal

      Optimus Chat C550:
      2.8 in
      Galaxy Alpha:
      4.7 in

    • Depth

      Galaxy Alpha: 9.3 mm thinner

      Optimus Chat C550:
      16 mm
      Galaxy Alpha:
      6.7 mm

    • Height

      Optimus Chat C550: 23.4 mm shorter

      Optimus Chat C550:
      109 mm
      Galaxy Alpha:
      132.4 mm

    • Release year

      Optimus Chat C550:
      2011
      Galaxy Alpha:
      2014

    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 Chat C550

      Height:
      109 mm
      Width:
      59 mm
      Depth:
      16 mm +9.3 mm versus Galaxy Alpha

    2. 2. Galaxy Alpha

      Height:
      132.4 mm +23.4 mm versus Optimus Chat C550
      Width:
      65.5 mm +6.5 mm versus Optimus Chat C550
      Depth:
      6.7 mm

    Weight

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

    1. 1. Optimus Chat C550

      122 g

      +7 g versus Galaxy Alpha

    2. 2. Galaxy Alpha

      115 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. Optimus Chat C550

      Screen diagonal:
      2.8 in
      Aspect ratio (height:width):
      3:2
      Approximate rectangular screen area:
      23.3 cm²

    2. 2. Galaxy Alpha

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

    Galaxy Alpha has approximately 160.9% more rectangular screen area than Optimus Chat C550.

    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 Chat C550, Galaxy Alpha, compared at the same storage capacity.
    StorageOptimus Chat C550Galaxy Alpha
    32 GB Unknown 2 GB RAM
    Optimus Chat C550: Original memory entry

    140 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 Chat C550

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

    2. Galaxy Alpha

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    No

    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 Chat C550

      1500 mAh

    2. 2. Galaxy Alpha

      1860 mAh

      +360 mAh versus Optimus Chat C550

    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 Chat C5502. Galaxy Alpha

    Everyday essentials
    Everyday essentials — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    Dimensions (HxWxD)
    • 109 Х 59 Х 16 mm
    • 132.4 Х 65.5 Х 6.7 mm
    Weight
    • 122 g
    • 115 g
    Technology
    • TFT
    • Super AMOLED
    Screen size
    • 2.8" inch
    • 4.7" inch
    Screen resolution
    • 320 x 480 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 140 MB
    • 32 GB
    • 2 GB RAM
    Memory card support
    • microSD
    • up to 32 GB (dedicated slot)
    • No
    Battery Capacity is not battery life. No endurance test is implied.
    • 1500 mAh
    • Removable Li-Ion
    • 1860 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 2.2 (Froyo)
    • Android 4.4.4 (KitKat)
    • upgradable to 5.0.2 (Lollipop)
    Chipset Unknown
    • Exynos 5430 Octa (20 nm)
    NFC Unknown
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    Touchscreen
    • touchscreen
    • capacitive touchscreen
    Display colors
    • 256K
    • 16M
    Screen area
    • 23.3 cm2
    • 60.9 cm2
    Screen format
    • 3:2 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 36.3%
    • 70.2%
    PPI /points per inch/
    • 206 PPI
    • 312 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 4
    Camera and Video
    Camera and Video — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    Rear camera, main
    • 3.15 MP
    • Single
    • 12 MP
    • Single
    Camera specs
    • 3.15 MP
    • AF
    • 12 MP
    • f/2.2
    • 31mm (standard)
    • AF
    Functions Unknown
    • LED flash
    • panorama
    • HDR
    Video
    • Yes
    • 2160p@30fps
    • 1080p@60fps
    • 720p@120fps
    Front camera, selfie
    • 0 MP,
    • 2.1 MP
    • Single
    Specifications Unknown
    • 2.1 MP
    Performance

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

    Performance — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    Processor CPU Unknown
    • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
    Graphics processor GPU Unknown
    • Mali-T628 MP6
    Antutu 7 score * Unknown
    • 50125
    GeekBench 4 Single Core * Unknown
    • 782
    GeekBench 4 Multi-Core * Unknown
    • 2457
    GeekBench 4 RenderScript * Unknown
    • 1804
    General specs
    General specs — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    Release date
    • 2011
    • February
    • 2014
    • August
    Colors
    • Black
    • Silver
    • Blue
    • Red
    • Pink
    • Charcoal Black
    • Sleek Silver
    • Dazzling White
    • Frosted Gold
    • Scuba Blue
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 40 EUR
    • 390 EUR
    Battery life
    • Stand by time- Up to 440 h Talking time- Up to 5 h
    • Stand by time- Up to 350 h (3G) Talking time- Up to 11 h (3G) Music play - Up to 37 h
    Body build Unknown
    • aluminum frame
    • plastic back
    Communication and Connectivity
    Communication and Connectivity — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    SIM card
    • Mini-SIM
    • Nano-SIM
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800) - G850F LTE band 1(2100)
    • 4(1700/2100)
    • 17(700) - SM-G850M
    Speed
    • HSPA 7.2/5.76 Mbps
    • HSPA 42.2/5.76 Mbps
    • LTE-A Cat6 300/50 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g
    • Wi-Fi Direct
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    • GLONASS
    USB
    • microUSB 2.0
    • microUSB 2.0
    Bluetooth
    • 2.1
    • A2DP
    • EDR
    • 4.0
    • A2DP
    • EDR
    • LE
    Harmful irradiation
    • SAR - 0.49 W/kg (head) 0.39 W/kg (body) SAR EU - 0.71 W/kg (head) 1.24 W/kg (body)
    • SAR - 1.18 W/kg (head) 0.75 W/kg (body) SAR EU - 0.37 W/kg (head) 0.51 W/kg (body)
    Music and Audio
    Music and Audio — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    Radio
    • FM radio
    • No
    Others Unknown
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for Optimus Chat C550, Galaxy Alpha.
    SpecificationOptimus Chat C550Galaxy Alpha
    Dop
    • Sensors Accelerometer MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo -Predictive text input
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • heart rate - ANT+ - Versions: G850F (Europe); G850T (T-Mobile)
    • G850M (Vodafone); G850FQ; G850Y Also known as Samsung Galaxy Alfa

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