Allview P4 Duo vs Palm Centro

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

    P4 Duo: 19 g lighter

    P4 Duo:
    105 g
    Centro:
    124 g
  • Width

    Centro: 10.9 mm narrower

    P4 Duo:
    64.4 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 1.75 in smaller diagonal

    P4 Duo:
    4 in
    Centro:
    2.25 in
  • Depth

    P4 Duo: 8.6 mm thinner

    P4 Duo:
    10 mm
    Centro:
    18.6 mm
  • Height

    Centro: 18.4 mm shorter

    P4 Duo:
    125.6 mm
    Centro:
    107.2 mm
  • Release year

    P4 Duo:
    2016
    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.

  1. 1. P4 Duo

    Height:
    125.6 mm +18.4 mm versus Centro
    Width:
    64.4 mm +10.9 mm versus Centro
    Depth:
    10 mm
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +8.6 mm versus P4 Duo

Weight

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

  1. 1. P4 Duo

    105 g

  2. 2. Centro

    124 g

    +19 g versus P4 Duo

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. P4 Duo

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Centro

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

P4 Duo has approximately 178.9% 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 P4 Duo, Centro, compared at the same storage capacity.
StorageP4 DuoCentro
8 GB 1 GB RAM Unknown
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. P4 Duo

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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 battery capacity

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

  1. 1. P4 Duo

    1400 mAh

    +250 mAh versus Centro

  2. 2. Centro

    1150 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. P4 Duo2. Centro

Everyday essentials
Everyday essentials — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
Dimensions (HxWxD)
  • 125.6 Х 64.4 Х 10 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 105 g
  • 124 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 4" inch
  • 2.25" inch
Screen resolution
  • 480 x 800 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64 MB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Palm OS 5.4.9
Chipset
  • Mediatek MT6580 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • Super AMOLED
  • 65K
Screen area
  • 45.5 cm2
  • 16.3 cm2
Screen format
  • 5:3 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 156.3 Х 77.5 Х 8.9 mm
  • 28.5%
PPI /points per inch/
  • 233 PPI
  • 201 PPI
Camera and Video
Camera and Video — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • 1.3 MP
Functions
  • Dual-LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
Unknown
General specs
General specs — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
Release date
  • 2016
  • March
  • 2008
  • February
Colors
  • Black
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 7 h
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
SIM card
  • Dual SIM (Mini-SIM/ Micro-SIM
  • dual stand-by)
  • 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 21.1/5.76 Mbps
Unknown
GPRS
  • Class 12
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 1.2
  • A2DP
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
Radio
  • FM radio
  • No
Others Unknown
  • 5-way navigation button
Other features
Other features — specifications for P4 Duo, Centro.
SpecificationP4 DuoCentro
Dop
  • Sensors Accelerometer
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo