Allview X4 Xtreme 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

    Centro: 102.9 g lighter

    X4 Xtreme:
    226.9 g
    Centro:
    124 g
  • Width

    Centro: 29.8 mm narrower

    X4 Xtreme:
    83.3 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 3.75 in smaller diagonal

    X4 Xtreme:
    6 in
    Centro:
    2.25 in
  • Depth

    X4 Xtreme: 9.5 mm thinner

    X4 Xtreme:
    9.1 mm
    Centro:
    18.6 mm
  • Height

    Centro: 59.2 mm shorter

    X4 Xtreme:
    166.4 mm
    Centro:
    107.2 mm
  • Release year

    X4 Xtreme:
    2017
    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. X4 Xtreme

    Height:
    166.4 mm +59.2 mm versus Centro
    Width:
    83.3 mm +29.8 mm versus Centro
    Depth:
    9.1 mm
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +9.5 mm versus X4 Xtreme

Weight

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

  1. 1. X4 Xtreme

    226.9 g

    +102.9 g versus Centro

  2. 2. Centro

    124 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.

  1. 1. X4 Xtreme

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

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

X4 Xtreme 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.

X4 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 512GB 4GB

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. X4 Xtreme

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. X4 Xtreme

    4550 mAh

    +3400 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. X4 Xtreme2. Centro

Everyday essentials
Everyday essentials — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 226.9 g
  • 124 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6" inch
  • 2.25" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
  • 64 MB
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Palm OS 5.4.9
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 99.2 cm2
  • 16.3 cm2
Screen format
  • 16:9 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 28.5%
PPI /points per inch/
  • 367 PPI
  • 201 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/depth sensor)
  • 1.3 MP
Functions
  • Dual-LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 20 MP
  • Single
  • 0 MP,
Specifications
  • 20 MP
Unknown
Performance

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

Performance — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • Mali-T880MP2
Unknown
Antutu 7 score *
  • 58758
Unknown
General specs
General specs — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
Release date
  • 2017
  • June
  • 2008
  • February
Colors
  • Mocha Gold
  • 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 379 h Talking time- Up to 25 h
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 1.2
  • A2DP
Harmful irradiation
  • SAR EU - 1.01 W/kg (head)
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
Radio
  • FM radio
  • No
Others Unknown
  • 5-way navigation button
Other features
Other features — specifications for X4 Xtreme, Centro.
SpecificationX4 XtremeCentro
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo