HP iPAQ rw6818 vs Samsung DoubleTime I857

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

    iPAQ rw6818: 8 g lighter

    iPAQ rw6818:
    140 g
    DoubleTime I857:
    148 g
  • Width

    iPAQ rw6818: 4 mm narrower

    iPAQ rw6818:
    58 mm
    DoubleTime I857:
    62 mm
  • Screen diagonal

    iPAQ rw6818: 0.5 in smaller diagonal

    iPAQ rw6818:
    2.7 in
    DoubleTime I857:
    3.2 in
  • Depth

    DoubleTime I857: 4.5 mm thinner

    iPAQ rw6818:
    19.5 mm
    DoubleTime I857:
    15 mm
  • Height

    iPAQ rw6818: 11 mm shorter

    iPAQ rw6818:
    102 mm
    DoubleTime I857:
    113 mm
  • Release year

    iPAQ rw6818:
    2006
    DoubleTime I857:
    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. iPAQ rw6818

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    19.5 mm +4.5 mm versus DoubleTime I857
  2. 2. DoubleTime I857

    Height:
    113 mm +11 mm versus iPAQ rw6818
    Width:
    62 mm +4 mm versus iPAQ rw6818
    Depth:
    15 mm

Weight

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

  1. 1. iPAQ rw6818

    140 g

  2. 2. DoubleTime I857

    148 g

    +8 g versus iPAQ rw6818

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. iPAQ rw6818

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. DoubleTime I857

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

DoubleTime I857 has approximately 35.1% more rectangular screen area than iPAQ rw6818.

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.

iPAQ rw6818: Original memory entry

64 MB RAM · 128 MB ROM

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. iPAQ rw6818

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

2. DoubleTime I857

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. iPAQ rw6818

    1530 mAh

    +330 mAh versus DoubleTime I857

  2. 2. DoubleTime I857

    1200 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. iPAQ rw68182. DoubleTime I857

Everyday essentials
Everyday essentials — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
Dimensions (HxWxD)
  • 102 Х 58 Х 19.5 mm
  • 113 Х 62 Х 15 mm
Weight
  • 140 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 3.2" inch
Screen resolution
  • 240 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 RAM
  • 128 MB ROM
  • 260 MB
  • 256 MB RAM
Memory card support
  • miniSD
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 2.2 (Froyo)
Chipset Unknown
  • Qualcomm MSM7230
Headphone jack
  • No
  • Yes
Display
Display — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 22.6 cm2
  • 30.5 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 38.2%
  • 43.5%
PPI /points per inch/
  • 148 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • 320p
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
Processor CPU
  • Intel PXA 272 416 MHz
  • 800 MHz Scorpion
Graphics processor GPU Unknown
  • Adreno 205
General specs
General specs — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
Release date
  • 2006
  • Q2
  • 2011
  • October
Colors
  • Silver
  • Black/White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 5 h 30 min
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/2 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • No
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Music and Audio
Music and Audio — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
Radio
  • FM radio
  • No
Others
  • Handwriting recognition
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
Other features
Other features — specifications for iPAQ rw6818, DoubleTime I857.
SpecificationiPAQ rw6818DoubleTime I857
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Voice memo - Identical to HP iPAQ rw6828
  • but without WLAN support
  • 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