Asus Zenfone 2 ZE550ML vs Palm Treo Pro

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

    Treo Pro: 37 g lighter

    Zenfone 2 ZE550ML:
    170 g
    Treo Pro:
    133 g
  • Width

    Treo Pro: 17.2 mm narrower

    Zenfone 2 ZE550ML:
    77.2 mm
    Treo Pro:
    60 mm
  • Screen diagonal

    Treo Pro: 3 in smaller diagonal

    Zenfone 2 ZE550ML:
    5.5 in
    Treo Pro:
    2.5 in
  • Chipset

    Zenfone 2 ZE550ML:
    Intel Atom Z3560
    Treo Pro:
    Qualcomm MSM7201
  • Depth

    Zenfone 2 ZE550ML: 2.5 mm thinner

    Zenfone 2 ZE550ML:
    10.9 mm
    Treo Pro:
    13.4 mm
  • Height

    Treo Pro: 38.5 mm shorter

    Zenfone 2 ZE550ML:
    152.5 mm
    Treo Pro:
    114 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. Zenfone 2 ZE550ML

    Height:
    152.5 mm +38.5 mm versus Treo Pro
    Width:
    77.2 mm +17.2 mm versus Treo Pro
    Depth:
    10.9 mm
  2. 2. Treo Pro

    Height:
    114 mm
    Width:
    60 mm
    Depth:
    13.4 mm +2.5 mm versus Zenfone 2 ZE550ML

Weight

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

  1. 1. Zenfone 2 ZE550ML

    170 g

    +37 g versus Treo Pro

  2. 2. Treo Pro

    133 g

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. Zenfone 2 ZE550ML

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

    Screen diagonal:
    2.5 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    20.2 cm²

Zenfone 2 ZE550ML has approximately 313.6% more rectangular screen area than Treo Pro.

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 Zenfone 2 ZE550ML, Treo Pro, compared at the same storage capacity.
StorageZenfone 2 ZE550MLTreo Pro
16 GB 2 GB RAM Unknown
Treo Pro: Original memory entry

100 MB · 128 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. Zenfone 2 ZE550ML

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Treo Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 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. Zenfone 2 ZE550ML

    3000 mAh

    +1500 mAh versus Treo Pro

  2. 2. Treo Pro

    1500 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. Zenfone 2 ZE550ML2. Treo Pro

Everyday essentials
Everyday essentials — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
Dimensions (HxWxD)
  • 152.5 Х 77.2 Х 10.9 mm
  • 114 Х 60 Х 13.4 mm
Weight
  • 170 g
  • 133 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 2.5" inch
Screen resolution
  • 720 x 1280 px
  • 320 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
  • 100 MB
  • 128 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Intel Atom Z3560
  • Qualcomm MSM7201
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 20.2 cm2
Screen format
  • 16:9 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 70.8%
  • 29.5%
PPI /points per inch/
  • 267 PPI
  • 181 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 2 MP
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
Processor CPU
  • Quad-core 1.8 GHz
  • 528 MHz ARM 11
Graphics processor GPU
  • PowerVR G6430
  • Adreno 130
Antutu 7 score *
  • 41152
Unknown
General specs
General specs — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
Release date
  • 2015
  • March
  • 2008
  • August
Colors
  • Osmium Black
  • Glamor Red
  • Ceramic White
  • Obsidian
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
SIM card
  • Dual SIM (Micro-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 - China & India -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 28(700) - Taiwan LTE band 1(2100)
  • 7(2600)
  • 20(800) - Global LTE band 1(2100)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China & India
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
USB
  • microUSB 2.0
  • USB Host
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.35 W/kg (head)
  • SAR - 0.60 W/kg (head) 0.87 W/kg (body) SAR EU - 0.75 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
Radio
  • FM radio
  • No
Others Unknown
  • 5-way navigation button
Other features
Other features — specifications for Zenfone 2 ZE550ML, Treo Pro.
SpecificationZenfone 2 ZE550MLTreo Pro
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Organizer -Pocket Office -Voice memo