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Palm Centro vs Plum Coach Plus II

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: 32 g lighter

      Centro:
      124 g
      Coach Plus II:
      156 g

    • Width

      Centro: 20.5 mm narrower

      Centro:
      53.5 mm
      Coach Plus II:
      74 mm

    • Screen diagonal

      Centro: 3.75 in smaller diagonal

      Centro:
      2.25 in
      Coach Plus II:
      6 in

    • Depth

      Coach Plus II: 8.7 mm thinner

      Centro:
      18.6 mm
      Coach Plus II:
      9.9 mm

    • Height

      Centro: 50.6 mm shorter

      Centro:
      107.2 mm
      Coach Plus II:
      157.8 mm

    • Release year

      Centro:
      2008
      Coach Plus II:
      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 +8.7 mm versus Coach Plus II

    2. 2. Coach Plus II

      Height:
      157.8 mm +50.6 mm versus Centro
      Width:
      74 mm +20.5 mm versus Centro
      Depth:
      9.9 mm

    Weight

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

    1. 1. Centro

      124 g

    2. 2. Coach Plus II

      156 g

      +32 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. Coach Plus II

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

    Coach Plus II has approximately 507.7% 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

    Coach Plus II: Original memory entry

    4 GB · 512 MB 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. Centro

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

    2. Coach Plus II

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 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. Coach Plus II

      2400 mAh

      +1250 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. Coach Plus II

    Everyday essentials
    Everyday essentials — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    Dimensions (HxWxD)
    • 107.2 Х 53.5 Х 18.6 mm
    • 157.8 Х 74 Х 9.9 mm
    Weight
    • 124 g
    • 156 g
    Technology
    • TFT
    • IPS LCD
    Screen size
    • 2.25" inch
    • 6" inch
    Screen resolution
    • 320 x 320 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64 MB
    • 4 GB
    • 512 MB RAM
    Memory card support
    • microSD
    • up to 4 GB (dedicated slot)
    • microSD
    • up to 64 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 1150 mAh
    • Removable Li-Ion
    • 2400 mAh
    • Removable Li-Ion
    Operating system OS
    • Palm OS 5.4.9
    • Android 4.4.2 (KitKat)
    Chipset Unknown
    • Mediatek MT6582M (28 nm)
    Headphone jack
    • No
    • Yes
    Display
    Display — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    Touchscreen
    • resistive touchscreen
    • capacitive touchscreen
    Display colors
    • 65K
    • 16M
    Screen area
    • 16.3 cm2
    • 99.2 cm2
    Screen format
    • 1:1 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 28.5%
    • 85.0%
    PPI /points per inch/
    • 201 PPI
    • 245 PPI
    Camera and Video
    Camera and Video — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    Rear camera, main
    • 1.3 MP
    • Single
    • 8 MP
    • Single
    Camera specs
    • 1.3 MP
    • 8 MP
    • AF
    Functions Unknown
    • Face detection
    Video
    • Yes
    • 1080p@30fps
    Front camera, selfie
    • 0 MP,
    • 1.3 MP
    • Single
    Specifications Unknown
    • 1.3 MP
    Performance
    Performance — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    Processor CPU
    • 32-bit Intel XScale PXA270 312 MHz
    • Quad-core 1.3 GHz Cortex-A7
    Graphics processor GPU Unknown
    • Mali-400MP2
    General specs
    General specs — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    Release date
    • 2008
    • February
    • 2014
    • May
    Colors
    • Obsidian
    • Glacier
    • Midnight
    • Cobalt
    • Onyx
    • Electric Blue
    • Rose
    • Olive
    • Black
    • White
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 70 EUR
    		 Unknown
    Battery life
    • Stand by time- Up to 300 h Talking time- Up to 4 h
    • Stand by time- Up to 780 h (2G) / Up to 690 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h (3G)
    Communication and Connectivity
    Communication and Connectivity — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    SIM card
    • Mini-SIM
    • Dual SIM
    Network Unknown
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
    Speed Unknown
    • HSPA 21.1/5.76 Mbps
    GPRS
    • Class 10
    • Class 12
    Edge
    • Class 10
    • Class 12
    Wi-Fi
    • No
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • No
    • Yes
    • with A-GPS
    USB
    • Proprietary
    • microUSB 2.0
    Bluetooth
    • 1.2
    • A2DP
    • 4.0
    • A2DP
    Harmful irradiation
    • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    Radio
    • No
    • FM radio
    Others
    • 5-way navigation button
    		 Unknown
    Other features
    Other features — specifications for Centro, Coach Plus II.
    SpecificationCentroCoach Plus II
    Dop
    • Infrared port - Document editor (Word
    • Excel
    • PowerPoint
    • PDF) -MP3 player -Organizer -Voice memo
    • Sensors Accelerometer
    • gyro
    • proximity - Also known as Plum Coach Plus II Z621