Palm Centro vs Sonim XP3340 Sentinel

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: 61 g lighter

    Centro:
    124 g
    XP3340 Sentinel:
    185 g
  • Width

    Centro: 6.5 mm narrower

    Centro:
    53.5 mm
    XP3340 Sentinel:
    60 mm
  • Screen diagonal

    XP3340 Sentinel: 0.25 in smaller diagonal

    Centro:
    2.25 in
    XP3340 Sentinel:
    2 in
  • Depth

    Centro: 6.4 mm thinner

    Centro:
    18.6 mm
    XP3340 Sentinel:
    25 mm
  • Height

    Centro: 18.8 mm shorter

    Centro:
    107.2 mm
    XP3340 Sentinel:
    126 mm
  • Release year

    Centro:
    2008
    XP3340 Sentinel:
    2011

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
  2. 2. XP3340 Sentinel

    Height:
    126 mm +18.8 mm versus Centro
    Width:
    60 mm +6.5 mm versus Centro
    Depth:
    25 mm +6.4 mm versus Centro

Weight

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

  1. 1. Centro

    124 g

  2. 2. XP3340 Sentinel

    185 g

    +61 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. XP3340 Sentinel

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²

Centro has approximately 31.8% more rectangular screen area than XP3340 Sentinel.

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

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. XP3340 Sentinel

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 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. Centro

    1150 mAh

  2. 2. XP3340 Sentinel

    1750 mAh

    +600 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. XP3340 Sentinel

Everyday essentials
Everyday essentials — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
Dimensions (HxWxD)
  • 107.2 Х 53.5 Х 18.6 mm
  • 126 Х 60 Х 25 mm
Weight
  • 124 g
  • 185 g
Technology
  • TFT
  • TFT
Screen size
  • 2.25" inch
  • 2" inch
Screen resolution
  • 320 x 320 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
Unknown
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1150 mAh
  • Removable Li-Ion
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Palm OS 5.4.9
  • MediaTek MT6235 platform
Headphone jack
  • No
  • Yes
Display
Display — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 16.3 cm2
  • 12.4 cm2
Screen format
  • 1:1 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 28.5%
  • 16.4%
PPI /points per inch/
  • 201 PPI
  • 200 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
Processor CPU
  • 32-bit Intel XScale PXA270 312 MHz
Unknown
General specs
General specs — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
Release date
  • 2008
  • February
  • 2011
  • August
Colors
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
  • Black
  • black/yellow
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 800 h Talking time- Up to 24 h
Communication and Connectivity
Communication and Connectivity — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • No
  • No
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • 2.0
Bluetooth
  • 1.2
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
Radio
  • No
  • FM radio
Others
  • 5-way navigation button
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Centro, XP3340 Sentinel.
SpecificationCentroXP3340 Sentinel
Dop
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo
  • Sensors Accelerometer Organizer -MP3/WAV/AAC player -MP4/H.263 player -Voice memo -Stopwatch -Count-down timer -File manager MIL-STD-810G compliant -IP68 dust/water proof (up to 2m for 1 hour) -Drop-to-concrete resistance from up to 2m -Operational range -20°C to +55°C -Flashlight