i-mate PDA2 vs Vertu Signature Touch (2015)

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

    PDA2: 35 g lighter

    PDA2:
    190 g
    Signature Touch (2015):
    225 g
  • Width

    PDA2: 5 mm narrower

    PDA2:
    69 mm
    Signature Touch (2015):
    74 mm
  • Screen diagonal

    PDA2: 1.7 in smaller diagonal

    PDA2:
    3.5 in
    Signature Touch (2015):
    5.2 in
  • Depth

    Signature Touch (2015): 8.2 mm thinner

    PDA2:
    19 mm
    Signature Touch (2015):
    10.8 mm
  • Height

    PDA2: 25 mm shorter

    PDA2:
    130 mm
    Signature Touch (2015):
    155 mm
  • Release year

    PDA2:
    2004
    Signature Touch (2015):
    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. PDA2

    Height:
    130 mm
    Width:
    69 mm
    Depth:
    19 mm +8.2 mm versus Signature Touch (2015)
  2. 2. Signature Touch (2015)

    Height:
    155 mm +25 mm versus PDA2
    Width:
    74 mm +5 mm versus PDA2
    Depth:
    10.8 mm

Weight

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

  1. 1. PDA2

    190 g

  2. 2. Signature Touch (2015)

    225 g

    +35 g versus PDA2

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. PDA2

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²
  2. 2. Signature Touch (2015)

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

Signature Touch (2015) has approximately 96.5% more rectangular screen area than PDA2.

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.

PDA2: Original memory entry

128 MB RAM · 64 MB ROM

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. PDA2

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SDIO · up to 2 GB

2. Signature Touch (2015)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. PDA2

    1300 mAh

  2. 2. Signature Touch (2015)

    3160 mAh

    +1860 mAh versus PDA2

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. PDA22. Signature Touch (2015)

Everyday essentials
Everyday essentials — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
Dimensions (HxWxD)
  • 130 Х 69 Х 19 mm
  • 155 Х 74 Х 10.8 mm
Weight
  • 190 g
  • 225 g
Technology
  • TFT
  • Sapphire crystal glass
Screen size
  • 3.5" inch
  • 5.2" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 64 MB ROM
  • 64 GB
  • 512GB 4GB
Memory card support
  • MMC/SDIO
  • up to 2 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 3160 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 37.9 cm2
  • 74.5 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 42.3%
  • 65.0%
PPI /points per inch/
  • 114 PPI
  • 424 PPI
Screen protection Unknown
  • Sapphire crystal glass
Camera and Video
Camera and Video — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
Rear camera, main
  • 1.3 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 1.3 MP
  • 21 MP
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 2.1 MP
  • Single
Specifications Unknown
  • 2.1 MP
Performance
Performance — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
Processor CPU
  • Intel Xscale PXA272 520 MHz
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 430
General specs
General specs — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
Release date
  • 2004
  • Q4
  • 2015
  • September
Colors Unknown
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 9000 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 28(700)
  • 29(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Proprietary
  • microUSB 2.0 (MHL)
  • USB Host
Bluetooth
  • v.1.2
  • 4.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for PDA2, Signature Touch (2015).
SpecificationPDA2Signature Touch (2015)
Dop
  • Infrared port - Pocket Office -MP3/MP4 player -PDF
  • PPT viewer -Voice memo
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel