HTC Desire 820s dual sim vs i-mate PDA2

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

    Desire 820s dual sim: 35 g lighter

    Desire 820s dual sim:
    155 g
    PDA2:
    190 g
  • Width

    PDA2: 9.7 mm narrower

    Desire 820s dual sim:
    78.7 mm
    PDA2:
    69 mm
  • Screen diagonal

    PDA2: 2 in smaller diagonal

    Desire 820s dual sim:
    5.5 in
    PDA2:
    3.5 in
  • Depth

    Desire 820s dual sim: 11.3 mm thinner

    Desire 820s dual sim:
    7.7 mm
    PDA2:
    19 mm
  • Height

    PDA2: 27.7 mm shorter

    Desire 820s dual sim:
    157.7 mm
    PDA2:
    130 mm
  • Release year

    Desire 820s dual sim:
    2015
    PDA2:
    2004

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. Desire 820s dual sim

    Height:
    157.7 mm +27.7 mm versus PDA2
    Width:
    78.7 mm +9.7 mm versus PDA2
    Depth:
    7.7 mm
  2. 2. PDA2

    Height:
    130 mm
    Width:
    69 mm
    Depth:
    19 mm +11.3 mm versus Desire 820s dual sim

Weight

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

  1. 1. Desire 820s dual sim

    155 g

  2. 2. PDA2

    190 g

    +35 g versus Desire 820s dual sim

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. Desire 820s dual sim

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. PDA2

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

Desire 820s dual sim has approximately 119.8% 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.

Recorded RAM for Desire 820s dual sim, PDA2, compared at the same storage capacity.
StorageDesire 820s dual simPDA2
16 GB 2 GB RAM Unknown
PDA2: Original memory entry

128 MB RAM · 64 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. Desire 820s dual sim

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. PDA2

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

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. Desire 820s dual sim

    2600 mAh

    +1300 mAh versus PDA2

  2. 2. PDA2

    1300 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. Desire 820s dual sim2. PDA2

Everyday essentials
Everyday essentials — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
Dimensions (HxWxD)
  • 157.7 Х 78.7 Х 7.7 mm
  • 130 Х 69 Х 19 mm
Weight
  • 155 g
  • 190 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 128 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • MMC/SDIO
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.4 (KitKat); Sense UI 6
  • Microsoft Windows Mobile 2003 SE PocketPC
Chipset
  • Mediatek MT6752 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 67.2%
  • 42.3%
PPI /points per inch/
  • 267 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
Processor CPU
  • Octa-core 1.7 GHz Cortex-A53
  • Intel Xscale PXA272 520 MHz
Graphics processor GPU
  • Mali-T760MP2
Unknown
Antutu 7 score *
  • 41825
Unknown
GeekBench 4 Single Core *
  • 790
Unknown
GeekBench 4 Multi-Core *
  • 3723
Unknown
General specs
General specs — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
Release date
  • 2015
  • March
  • 2004
  • Q4
Colors
  • Marble white
  • Milkyway Gray
  • Monarch Orange
  • Santorini White
  • Tuxedo Gray
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 370 EUR
Unknown
Battery life
  • Stand by time- Up to 560 h (3G) Talking time- Up to 12 h 10 min (3G)
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • v.1.2
Music and Audio
Music and Audio — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Desire 820s dual sim, PDA2.
SpecificationDesire 820s dual simPDA2
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Pocket Office -MP3/MP4 player -PDF
  • PPT viewer -Voice memo