Vodafone 1231 vs ZTE Open II

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.

  • Width

    Open II: 4.4 mm narrower

    1231:
    65.4 mm
    Open II:
    61 mm
  • Screen diagonal

    1231: 1 in smaller diagonal

    1231:
    2.5 in
    Open II:
    3.5 in
  • Depth

    Open II: 4 mm thinner

    1231:
    14.5 mm
    Open II:
    10.5 mm
  • Height

    1231: 5 mm shorter

    1231:
    113 mm
    Open II:
    118 mm
  • Release year

    1231:
    2009
    Open II:
    2014

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. 1231

    Height:
    113 mm
    Width:
    65.4 mm +4.4 mm versus Open II
    Depth:
    14.5 mm +4 mm versus Open II
    Weight:
    130 g
  2. 2. Open II

    Height:
    118 mm +5 mm versus 1231
    Width:
    61 mm
    Depth:
    10.5 mm
    Weight:
    Unknown

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. 1231

    Screen diagonal:
    2.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    19.4 cm²
  2. 2. Open II

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

Open II has approximately 88.5% more rectangular screen area than 1231.

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.

1231: Original memory entry

48 MB

Open II: Original memory entry

2 GB · 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. 1231

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 GB (dedicated slot)

2. Open II

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. 1231

    1100 mAh

  2. 2. Open II

    1150 mAh

    +50 mAh versus 1231

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. 12312. Open II

Everyday essentials
Everyday essentials — specifications for 1231, Open II.
Specification1231Open II
Dimensions (HxWxD)
  • 113 Х 65.4 Х 14.5 mm
  • 118 Х 61 Х 10.5 mm
Weight
  • 130 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 2.5" inch
  • 3.5" inch
Screen resolution
  • 320 x 240 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 48 MB
  • 2 GB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Standard
  • Firefox OS 1.3
Chipset Unknown
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 1231, Open II.
Specification1231Open II
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 19.4 cm2
  • 36.5 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 26.2%
  • 50.7%
PPI /points per inch/
  • 160 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for 1231, Open II.
Specification1231Open II
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
Video
  • Yes
  • Yes
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 1231, Open II.
Specification1231Open II
Processor CPU Unknown
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
Antutu 7 score * Unknown
  • 12396
General specs
General specs — specifications for 1231, Open II.
Specification1231Open II
Release date
  • 2009
  • June
  • 2014
  • February
Colors
  • Black
  • Black
Battery life
  • Stand by time- Up to 230 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 1231, Open II.
Specification1231Open II
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
Unknown
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.1
Harmful irradiation
  • SAR EU - 0.69 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 1231, Open II.
Specification1231Open II
Radio
  • No
  • FM radio
Other features
Other features — specifications for 1231, Open II.
Specification1231Open II
Dop
  • MP3/MP4 player -Organizer -Voice memo -Predictive text input
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input