Palm Treo Pro vs ZTE Open C

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

    Open C: 8 g lighter

    Treo Pro:
    133 g
    Open C:
    125 g
  • Width

    Treo Pro: 4.7 mm narrower

    Treo Pro:
    60 mm
    Open C:
    64.7 mm
  • Screen diagonal

    Treo Pro: 1.5 in smaller diagonal

    Treo Pro:
    2.5 in
    Open C:
    4 in
  • Chipset

    Treo Pro:
    Qualcomm MSM7201
    Open C:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Open C: 2.6 mm thinner

    Treo Pro:
    13.4 mm
    Open C:
    10.8 mm
  • Height

    Treo Pro: 12 mm shorter

    Treo Pro:
    114 mm
    Open C:
    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. Treo Pro

    Height:
    114 mm
    Width:
    60 mm
    Depth:
    13.4 mm +2.6 mm versus Open C
  2. 2. Open C

    Height:
    126 mm +12 mm versus Treo Pro
    Width:
    64.7 mm +4.7 mm versus Treo Pro
    Depth:
    10.8 mm

Weight

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

  1. 1. Treo Pro

    133 g

    +8 g versus Open C

  2. 2. Open C

    125 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. Treo Pro

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

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Open C has approximately 125.9% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Treo Pro: Original memory entry

100 MB · 128 MB RAM

Open C: Original memory entry

4 GB · 512 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. Treo Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

2. Open C

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. Treo Pro

    1500 mAh

    +100 mAh versus Open C

  2. 2. Open C

    1400 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. Treo Pro2. Open C

Everyday essentials
Everyday essentials — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
Dimensions (HxWxD)
  • 114 Х 60 Х 13.4 mm
  • 126 Х 64.7 Х 10.8 mm
Weight
  • 133 g
  • 125 g
Technology
  • TFT
  • TFT
Screen size
  • 2.5" inch
  • 4" inch
Screen resolution
  • 320 x 320 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 100 MB
  • 128 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Firefox OS 1.3
Chipset
  • Qualcomm MSM7201
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 20.2 cm2
  • 45.5 cm2
Screen format
  • 1:1 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 29.5%
  • 55.9%
PPI /points per inch/
  • 181 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Video
  • Yes
  • 352x288@15fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance

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

Performance — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
Processor CPU
  • 528 MHz ARM 11
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 130
  • Adreno 302
Antutu 7 score * Unknown
  • 12154
General specs
General specs — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
Release date
  • 2008
  • August
  • 2014
  • February
Colors
  • Obsidian
  • Orange
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 5 h
  • Stand by time- Up to 150 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.1
Harmful irradiation
  • SAR - 0.60 W/kg (head) 0.87 W/kg (body) SAR EU - 0.75 W/kg (head) 0.53 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
Radio
  • No
  • FM radio
Others
  • 5-way navigation button
Unknown
Other features
Other features — specifications for Treo Pro, Open C.
SpecificationTreo ProOpen C
Dop
  • Infrared port - Organizer -Pocket Office -Voice memo
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input