Samsung DoubleTime I857 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

    DoubleTime I857: 37 g lighter

    DoubleTime I857:
    148 g
    XP3340 Sentinel:
    185 g
  • Width

    XP3340 Sentinel: 2 mm narrower

    DoubleTime I857:
    62 mm
    XP3340 Sentinel:
    60 mm
  • Screen diagonal

    XP3340 Sentinel: 1.2 in smaller diagonal

    DoubleTime I857:
    3.2 in
    XP3340 Sentinel:
    2 in
  • Depth

    DoubleTime I857: 10 mm thinner

    DoubleTime I857:
    15 mm
    XP3340 Sentinel:
    25 mm
  • Height

    DoubleTime I857: 13 mm shorter

    DoubleTime I857:
    113 mm
    XP3340 Sentinel:
    126 mm

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. DoubleTime I857

    Height:
    113 mm
    Width:
    62 mm +2 mm versus XP3340 Sentinel
    Depth:
    15 mm
  2. 2. XP3340 Sentinel

    Height:
    126 mm +13 mm versus DoubleTime I857
    Width:
    60 mm
    Depth:
    25 mm +10 mm versus DoubleTime I857

Weight

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

  1. 1. DoubleTime I857

    148 g

  2. 2. XP3340 Sentinel

    185 g

    +37 g versus DoubleTime I857

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. DoubleTime I857

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

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

DoubleTime I857 has approximately 146.2% 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.

DoubleTime I857: Original memory entry

260 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. DoubleTime I857

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. DoubleTime I857

    1200 mAh

  2. 2. XP3340 Sentinel

    1750 mAh

    +550 mAh versus DoubleTime I857

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. DoubleTime I8572. XP3340 Sentinel

Everyday essentials
Everyday essentials — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
Dimensions (HxWxD)
  • 113 Х 62 Х 15 mm
  • 126 Х 60 Х 25 mm
Weight
  • 148 g
  • 185 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 2" inch
Screen resolution
  • 320 x 480 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 260 MB
  • 256 MB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • MediaTek MT6235 platform
Chipset
  • Qualcomm MSM7230
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 256K
  • 65K
Screen area
  • 30.5 cm2
  • 12.4 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 43.5%
  • 16.4%
PPI /points per inch/
  • 180 PPI
  • 200 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 2 MP
Functions Unknown
  • LED flash
Video
  • 320p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
Processor CPU
  • 800 MHz Scorpion
Unknown
Graphics processor GPU
  • Adreno 205
Unknown
General specs
General specs — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
Release date
  • 2011
  • October
  • 2011
  • August
Colors
  • Black/White
  • 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 250 h Talking time- Up to 6 h
  • Stand by time- Up to 800 h Talking time- Up to 24 h
Communication and Connectivity
Communication and Connectivity — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 7.2/2 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • No
  • No
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 3.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
Radio
  • No
  • FM radio
Others
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for DoubleTime I857, XP3340 Sentinel.
SpecificationDoubleTime I857XP3340 Sentinel
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T
  • 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