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  2. Acer M900 vs Palm Centro

Acer M900 vs Palm Centro

Compare recorded specifications, size and practical differences.

Acer M900

Acer M900

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    Palm Centro

    Palm Centro

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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.

        • WeightCentro: 64 g lighterCentro: 124 g · M900: 188 g
        • WidthCentro: 8.5 mm narrowerCentro: 53.5 mm · M900: 62 mm
        • Screen diagonalCentro: 1.55 in smaller diagonalCentro: 2.25 in · M900: 3.8 in
        • DepthM900: 1.5 mm thinnerM900: 17.1 mm · Centro: 18.6 mm
        • HeightCentro: 11.8 mm shorterCentro: 107.2 mm · M900: 119 mm
        • Release year2009 / 2008M900: 2009 · Centro: 2008

        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.

        Front
        M900: 119 × 62 mm 1 Centro: 107.2 × 53.5 mm 2
        Side
        M900: 119 × 17.1 mm 1 Centro: 107.2 × 18.6 mm 2
        1. 1. M900
          Height
          119 mm+11.8 mm versus Centro
          Width
          62 mm+8.5 mm versus Centro
          Depth
          17.1 mm
          Weight
          188 g
        2. 2. Centro
          Height
          107.2 mm
          Width
          53.5 mm
          Depth
          18.6 mm+1.5 mm versus M900
          Weight
          124 g
        Weight

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

        1. 1. M900188 g

          +64 g versus Centro

        2. 2. Centro124 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.

        Screen size
        M900: 3.8 in, 5:3, About 41.1 cm² rectangular area 1 Centro: 2.25 in, 1:1, About 16.3 cm² rectangular area 2
        1. 1. M900 3.8 in · 5:3 About 41.1 cm² rectangular area
        2. 2. Centro 2.25 in · 1:1 About 16.3 cm² rectangular area

        M900 has approximately 151.7% 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.

        M900: Original memory entry

        Super AMOLED

        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. M900

        NFC
        See details Super AMOLED
        Headphone jack
        See details panorama
        Memory card support
        See details microSD (dedicated slot)

        2. Centro

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

        Battery capacity

        Capacity is not battery life. No endurance test is implied.

        Recorded capacity

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

        1. 1. M9001530 mAh

          +380 mAh versus Centro

        2. 2. Centro1150 mAh

        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. M9002. Centro

        Everyday essentials
        Everyday essentials
        SpecificationM900Centro
        Dimensions (HxWxD)
        • 119 Х 62 Х 17.1 mm
        • 107.2 Х 53.5 Х 18.6 mm
        Weight
        • 188 g
        • 124 g
        Technology
        • TFT
        • TFT
        Screen size
        • 3.8" inch
        • 2.25" inch
        Screen resolution
        • 480 x 800 px
        • 320 x 320 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • Super AMOLED
        • 64 MB
        Memory card support
        • microSD (dedicated slot)
        • microSD
        • up to 4 GB (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 1530 mAh
        • Removable Li-Ion
        • 1150 mAh
        • Removable Li-Ion
        Operating system OS
        • Microsoft Windows Mobile 6.1 Professional
        • Palm OS 5.4.9
        NFC
        • Super AMOLED
        		 Unknown
        Headphone jack
        • panorama
        • No
        Display
        Display
        SpecificationM900Centro
        Touchscreen
        • resistive touchscreen
        • resistive touchscreen
        Display colors
        • 65K
        • 65K
        Screen area
        • 41.1 cm2
        • 16.3 cm2
        Screen format
        • 5:3 (height:width)
        • 1:1 (height:width)
        Screen to body ratio
        • 55.7%
        • 28.5%
        PPI /points per inch/
        • 246 PPI
        • 201 PPI
        Camera and Video
        Camera and Video
        SpecificationM900Centro
        Rear camera, main
        • 5 MP
        • Single
        • 1.3 MP
        • Single
        Camera specs
        • 5 MP
        • AF
        • 1.3 MP
        Functions
        • Dual-LED flash
        		 Unknown
        Video
        • Yes
        • Yes
        Front camera, selfie
        • 0.3 MP
        • Single
        • 0 MP,
        Specifications
        • VGA videocall camera
        		 Unknown
        Performance
        Performance
        SpecificationM900Centro
        Processor CPU
        • 533 MHz Samsung S3C 6410
        • 32-bit Intel XScale PXA270 312 MHz
        General specs
        General specs
        SpecificationM900Centro
        Release date
        • 2009
        • February
        • 2008
        • February
        Colors
        • Black
        • Obsidian
        • Glacier
        • Midnight
        • Cobalt
        • Onyx
        • Electric Blue
        • Rose
        • Olive
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 250 EUR
        • 70 EUR
        Battery life
        • Stand by time- Up to 470 h Talking time- Up to 4 h
        • Stand by time- Up to 300 h Talking time- Up to 4 h
        Communication and Connectivity
        Communication and Connectivity
        SpecificationM900Centro
        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
        		 Unknown
        Speed
        • HSPA 7.2/2 Mbps
        		 Unknown
        GPRS
        • Class 10
        • Class 10
        Edge
        • Class 10
        • Class 10
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • No
        GPS
        • Yes
        • SiRF Star III chipset
        • No
        USB
        • miniUSB
        • Proprietary
        Bluetooth
        • microUSB 2.0
        • A2DP
        • 1.2
        • A2DP
        Harmful irradiation
        • SAR - 0.43 W/kg (head) 0.92 W/kg (body)
        • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
        Music and Audio
        Music and Audio
        SpecificationM900Centro
        Radio
        • FM radio
        • No
        Others
        • Handwriting recognition
        • 5-way navigation button
        Other features
        Other features
        SpecificationM900Centro
        Dop
        • Sensors Fingerprint (front-mounted) Pocket Office -Voice memo -MP3 player -Predictive text input
        • Infrared port - Document editor (Word
        • Excel
        • PowerPoint
        • PDF) -MP3 player -Organizer -Voice memo

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