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Palm Centro vs ZTE Blade A7 Prime

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: 41 g lighter

      Centro:
      124 g
      Blade A7 Prime:
      165 g

    • Width

      Centro: 19.4 mm narrower

      Centro:
      53.5 mm
      Blade A7 Prime:
      72.9 mm

    • Screen diagonal

      Centro: 3.84 in smaller diagonal

      Centro:
      2.25 in
      Blade A7 Prime:
      6.09 in

    • Depth

      Blade A7 Prime: 10.5 mm thinner

      Centro:
      18.6 mm
      Blade A7 Prime:
      8.1 mm

    • Height

      Centro: 49.5 mm shorter

      Centro:
      107.2 mm
      Blade A7 Prime:
      156.7 mm

    • Release year

      Centro:
      2008
      Blade A7 Prime:
      2019

    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 +10.5 mm versus Blade A7 Prime

    2. 2. Blade A7 Prime

      Height:
      156.7 mm +49.5 mm versus Centro
      Width:
      72.9 mm +19.4 mm versus Centro
      Depth:
      8.1 mm

    Weight

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

    1. 1. Centro

      124 g

    2. 2. Blade A7 Prime

      165 g

      +41 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. Blade A7 Prime

      Screen diagonal:
      6.09 in
      Aspect ratio (height:width):
      19.5:9
      Approximate rectangular screen area:
      91 cm²

    Blade A7 Prime has approximately 457.5% 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.

    Recorded RAM for Centro, Blade A7 Prime, compared at the same storage capacity.
    StorageCentroBlade A7 Prime
    32 GB Unknown 3 GB RAM
    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. Blade A7 Prime

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 1 TB

    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. Blade A7 Prime

      3200 mAh

      +2050 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. Blade A7 Prime

    Everyday essentials
    Everyday essentials — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    Dimensions (HxWxD)
    • 107.2 Х 53.5 Х 18.6 mm
    • 156.7 Х 72.9 Х 8.1 mm
    Weight
    • 124 g
    • 165 g
    Technology
    • TFT
    • IPS LCD
    Screen size
    • 2.25" inch
    • 6.09" inch
    Screen resolution
    • 320 x 320 px
    • 720 x 1560 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64 MB
    • 32GB 3GB RAM
    Memory card support
    • microSD
    • up to 4 GB (dedicated slot)
    • microSD
    • up to 1 TB
    Battery Capacity is not battery life. No endurance test is implied.
    • 1150 mAh
    • Removable Li-Ion
    • 3200 mAh
    • Non-removable Li-Po
    Operating system OS
    • Palm OS 5.4.9
    • Android 9.0 (Pie)
    Chipset Unknown
    • Mediatek MT6761 Helio A22 (12 nm)
    Headphone jack
    • No
    • Yes
    Display
    Display — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    Touchscreen
    • resistive touchscreen
    • capacitive touchscreen
    Display colors
    • 65K
    • 16M
    Screen area
    • 16.3 cm2
    • 91.0 cm2
    Screen format
    • 1:1 (height:width)
    • 19.5:9 (height:width)
    Screen to body ratio
    • 28.5%
    • 79.7%
    PPI /points per inch/
    • 201 PPI
    • 282 PPI
    Camera and Video
    Camera and Video — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    Rear camera, main
    • 1.3 MP
    • Single
    • 16 MP
    • Single
    Camera specs
    • 1.3 MP
    • 16 MP
    • f/2.0
    • PDAF
    Functions Unknown
    • LED flash
    • HDR
    • panorama
    Video
    • Yes
    • 1080p@30fps
    Front camera, selfie
    • 0 MP,
    • 5 MP
    • Single
    Specifications Unknown
    • 5 MP
    • f/2.2
    Performance

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

    Performance — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    Processor CPU
    • 32-bit Intel XScale PXA270 312 MHz
    • Quad-core 2.0 GHz Cortex-A53
    Graphics processor GPU Unknown
    • PowerVR GE8320
    Antutu 7 score * Unknown
    • 45023
    General specs
    General specs — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    Release date
    • 2008
    • February
    • 2019
    • November
    Colors
    • Obsidian
    • Glacier
    • Midnight
    • Cobalt
    • Onyx
    • Electric Blue
    • Rose
    • Olive
    • Silver
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 70 EUR
    • 90 EUR
    Battery life
    • Stand by time- Up to 300 h Talking time- Up to 4 h
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    SIM card
    • Mini-SIM
    • Dual SIM (Nano-SIM
    • dual stand-by)
    Network Unknown
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
    • 4(1700/2100)
    • 5(850)
    • 13(700)
    Speed Unknown
    • HSPA 42.2/5.76 Mbps
    • LTE-A Cat4 150/50 Mbps
    GPRS
    • Class 10
    • Yes
    Edge
    • Class 10
    • Yes
    Wi-Fi
    • No
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • No
    • Yes
    • with A-GPS
    USB
    • Proprietary
    • 2.0
    • Type-C 1.0 reversible connector
    Bluetooth
    • 1.2
    • A2DP
    • 4.2
    • A2DP
    • LE
    Harmful irradiation
    • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    Radio
    • No
    		 Unknown
    Others
    • 5-way navigation button
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for Centro, Blade A7 Prime.
    SpecificationCentroBlade A7 Prime
    Dop
    • Infrared port - Document editor (Word
    • Excel
    • PowerPoint
    • PDF) -MP3 player -Organizer -Voice memo
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity

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