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Palm Centro vs Spice Mi-504 Smart Flo Mettle 5X

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

      Centro: 66 g lighter

      Centro:
      124 g
      Mi-504 Smart Flo Mettle 5X:
      190 g

    • Width

      Centro: 25.4 mm narrower

      Centro:
      53.5 mm
      Mi-504 Smart Flo Mettle 5X:
      78.9 mm

    • Screen diagonal

      Centro: 2.75 in smaller diagonal

      Centro:
      2.25 in
      Mi-504 Smart Flo Mettle 5X:
      5 in

    • Depth

      Mi-504 Smart Flo Mettle 5X: 8.2 mm thinner

      Centro:
      18.6 mm
      Mi-504 Smart Flo Mettle 5X:
      10.4 mm

    • Height

      Centro: 41.3 mm shorter

      Centro:
      107.2 mm
      Mi-504 Smart Flo Mettle 5X:
      148.5 mm

    • Release year

      Centro:
      2008
      Mi-504 Smart Flo Mettle 5X:
      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. Centro

      Height:
      107.2 mm
      Width:
      53.5 mm
      Depth:
      18.6 mm +8.2 mm versus Mi-504 Smart Flo Mettle 5X

    2. 2. Mi-504 Smart Flo Mettle 5X

      Height:
      148.5 mm +41.3 mm versus Centro
      Width:
      78.9 mm +25.4 mm versus Centro
      Depth:
      10.4 mm

    Weight

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

    1. 1. Centro

      124 g

    2. 2. Mi-504 Smart Flo Mettle 5X

      190 g

      +66 g versus Centro

    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. Centro

      Screen diagonal:
      2.25 in
      Aspect ratio (height:width):
      1:1
      Approximate rectangular screen area:
      16.3 cm²

    2. 2. Mi-504 Smart Flo Mettle 5X

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

    Mi-504 Smart Flo Mettle 5X has approximately 322% more rectangular screen area than Centro.

    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.

    No unambiguous storage/RAM pairings are recorded. See the original specifications below.

    Centro: Original memory entry

    64 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. Centro

    NFC:
    Unknown
    Headphone jack:
    No
    Memory card support:
    See details microSD · up to 4 GB (dedicated slot)

    2. Mi-504 Smart Flo Mettle 5X

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

    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. Centro

      1150 mAh

    2. 2. Mi-504 Smart Flo Mettle 5X

      1800 mAh

      +650 mAh versus Centro

    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. Centro2. Mi-504 Smart Flo Mettle 5X

    Everyday essentials
    Everyday essentials — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    Dimensions (HxWxD)
    • 107.2 Х 53.5 Х 18.6 mm
    • 148.5 Х 78.9 Х 10.4 mm
    Weight
    • 124 g
    • 190 g
    Technology
    • TFT
    • TFT
    Screen size
    • 2.25" inch
    • 5" inch
    Screen resolution
    • 320 x 320 px
    • 480 x 854 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64 MB
    		 Unknown
    Memory card support
    • microSD
    • up to 4 GB (dedicated slot)
    • microSD
    • up to 32 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 1150 mAh
    • Removable Li-Ion
    • 1800 mAh
    • Removable Li-Ion
    Operating system OS
    • Palm OS 5.4.9
    • Android 4.2 (Jelly Bean)
    Headphone jack
    • No
    • Yes
    Display
    Display — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    Touchscreen
    • resistive touchscreen
    • capacitive touchscreen
    Display colors
    • 65K
    		 Unknown
    Screen area
    • 16.3 cm2
    • 68.9 cm2
    Screen format
    • 1:1 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 28.5%
    • 58.8%
    PPI /points per inch/
    • 201 PPI
    • 196 PPI
    Camera and Video
    Camera and Video — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    Rear camera, main
    • 1.3 MP
    • Single
    • 8 MP
    • Single
    Camera specs
    • 1.3 MP
    • 8 MP
    Functions Unknown
    • LED flash
    Video
    • Yes
    • Yes
    Front camera, selfie
    • 0 MP,
    • 1.3 MP
    • Single
    Specifications Unknown
    • 1.3 MP
    Performance
    Performance — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    Processor CPU
    • 32-bit Intel XScale PXA270 312 MHz
    		 Unknown
    General specs
    General specs — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    Release date
    • 2008
    • February
    • 2014
    • February
    Colors
    • Obsidian
    • Glacier
    • Midnight
    • Cobalt
    • Onyx
    • Electric Blue
    • Rose
    • Olive
    • White
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 70 EUR
    • 80 EUR
    Battery life
    • Stand by time- Up to 300 h Talking time- Up to 4 h
    • Talking time- Up to 5 h 30 min
    Communication and Connectivity
    Communication and Connectivity — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    SIM card
    • Mini-SIM
    • Dual SIM (Mini-SIM)
    GPRS
    • Class 10
    • Class 12
    Edge
    • Class 10
    • Class 12
    Wi-Fi
    • No
    • Wi-Fi 802.11 b/g/n
    GPS
    • No
    • Yes
    • with A-GPS
    USB
    • Proprietary
    • microUSB
    Bluetooth
    • 1.2
    • A2DP
    • 2.0
    Harmful irradiation
    • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    Radio
    • No
    • FM radio
    Others
    • 5-way navigation button
    		 Unknown
    Other features
    Other features — specifications for Centro, Mi-504 Smart Flo Mettle 5X.
    SpecificationCentroMi-504 Smart Flo Mettle 5X
    Dop
    • Infrared port - Document editor (Word
    • Excel
    • PowerPoint
    • PDF) -MP3 player -Organizer -Voice memo
    • Sensors Accelerometer