Acer DX900 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

    DX900: 38 g lighter

    DX900:
    147 g
    XP3340 Sentinel:
    185 g
  • Screen diagonal

    XP3340 Sentinel: 0.8 in smaller diagonal

    DX900:
    2.8 in
    XP3340 Sentinel:
    2 in
  • Depth

    DX900: 8 mm thinner

    DX900:
    17 mm
    XP3340 Sentinel:
    25 mm
  • Height

    DX900: 20 mm shorter

    DX900:
    106 mm
    XP3340 Sentinel:
    126 mm
  • Release year

    DX900:
    2009
    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. DX900

    Height:
    106 mm
    Width:
    60.5 mm
    Depth:
    17 mm
  2. 2. XP3340 Sentinel

    Height:
    126 mm +20 mm versus DX900
    Width:
    60 mm
    Depth:
    25 mm +8 mm versus DX900

Weight

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

  1. 1. DX900

    147 g

  2. 2. XP3340 Sentinel

    185 g

    +38 g versus DX900

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. DX900

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. XP3340 Sentinel

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

DX900 has approximately 96% 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.

DX900: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. DX900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (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. DX900

    1530 mAh

  2. 2. XP3340 Sentinel

    1750 mAh

    +220 mAh versus DX900

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. DX9002. XP3340 Sentinel

Everyday essentials
Everyday essentials — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • 126 Х 60 Х 25 mm
Weight
  • 147 g
  • 185 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2" inch
Screen resolution
  • 480 x 640 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
Unknown
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • MediaTek MT6235 platform
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
  • 12.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 37.9%
  • 16.4%
PPI /points per inch/
  • 286 PPI
  • 200 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 2 MP
Functions
  • Dual-LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
Processor CPU
  • 533 MHz Samsung S3C 6410
Unknown
General specs
General specs — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
Release date
  • 2009
  • February
  • 2011
  • August
Colors
  • Black
  • Black
  • black/yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 150 h Talking time- Up to10 h
  • Stand by time- Up to 800 h Talking time- Up to 24 h
Communication and Connectivity
Communication and Connectivity — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2
Unknown
Speed
  • HSPA 7.2/0.384 Mbps
Unknown
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for DX900, XP3340 Sentinel.
SpecificationDX900XP3340 Sentinel
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • 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