Palm Centro vs Unnecto Drone XL

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

    Drone XL: 14 g lighter

    Centro:
    124 g
    Drone XL:
    110 g
  • Width

    Centro: 7.5 mm narrower

    Centro:
    53.5 mm
    Drone XL:
    61 mm
  • Screen diagonal

    Centro: 1.25 in smaller diagonal

    Centro:
    2.25 in
    Drone XL:
    3.5 in
  • Depth

    Drone XL: 8.1 mm thinner

    Centro:
    18.6 mm
    Drone XL:
    10.5 mm
  • Height

    Centro: 7.8 mm shorter

    Centro:
    107.2 mm
    Drone XL:
    115 mm
  • Release year

    Centro:
    2008
    Drone XL:
    2015

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 +8.1 mm versus Drone XL
  2. 2. Drone XL

    Height:
    115 mm +7.8 mm versus Centro
    Width:
    61 mm +7.5 mm versus Centro
    Depth:
    10.5 mm

Weight

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

  1. 1. Centro

    124 g

    +14 g versus Drone XL

  2. 2. Drone XL

    110 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. Centro

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Drone XL has approximately 123.4% 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

Drone XL: Original memory entry

512 MB · 256 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. Drone XL

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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

    +50 mAh versus Drone XL

  2. 2. Drone XL

    1100 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. Centro2. Drone XL

Everyday essentials
Everyday essentials — specifications for Centro, Drone XL.
SpecificationCentroDrone XL
Dimensions (HxWxD)
  • 107.2 Х 53.5 Х 18.6 mm
  • 115 Х 61 Х 10.5 mm
Weight
  • 124 g
  • 110 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.25" inch
  • 3.5" inch
Screen resolution
  • 320 x 320 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1150 mAh
  • Removable Li-Ion
  • 1100 mAh
  • Li-Ion
Operating system OS
  • Palm OS 5.4.9
  • Android 4.4.2 (KitKat)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Centro, Drone XL.
SpecificationCentroDrone XL
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 16.3 cm2
  • 36.5 cm2
Screen format
  • 1:1 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 28.5%
  • 52.0%
PPI /points per inch/
  • 201 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Centro, Drone XL.
SpecificationCentroDrone XL
Rear camera, main
  • 1.3 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 1.3 MP
  • 3.15 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for Centro, Drone XL.
SpecificationCentroDrone XL
Processor CPU
  • 32-bit Intel XScale PXA270 312 MHz
  • 1.2 GHz
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Centro, Drone XL.
SpecificationCentroDrone XL
Release date
  • 2008
  • February
  • 2015
  • January
Colors
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
  • Black
  • White
  • Blue
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 40 h (3G) Talking time- Up to 5 h (3G) Music play - Up to 20 h
Communication and Connectivity
Communication and Connectivity — specifications for Centro, Drone XL.
SpecificationCentroDrone XL
SIM card
  • Mini-SIM
  • Dual SIM (dual stand-by)
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
  • Up to 107 kbps
Edge
  • Class 10
  • Up to 296 kbps
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • 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, Drone XL.
SpecificationCentroDrone XL
Radio
  • No
  • FM radio
Others
  • 5-way navigation button
Unknown
Other features
Other features — specifications for Centro, Drone XL.
SpecificationCentroDrone XL
Dop
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo
  • Sensors Accelerometer