Vodafone 1231 vs Xiaomi MI-2a

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

    1231: 1.1 mm narrower

    1231:
    65.4 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    1231: 2 in smaller diagonal

    1231:
    2.5 in
    MI-2a:
    4.5 in
  • Depth

    MI-2a: 5 mm thinner

    1231:
    14.5 mm
    MI-2a:
    9.5 mm
  • Height

    1231: 20 mm shorter

    1231:
    113 mm
    MI-2a:
    133 mm
  • Release year

    1231:
    2009
    MI-2a:
    2013

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
    Depth:
    14.5 mm +5 mm versus MI-2a
  2. 2. MI-2a

    Height:
    133 mm +20 mm versus 1231
    Width:
    66.5 mm +1.1 mm versus 1231
    Depth:
    9.5 mm

Weight

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

  1. 1. 1231

    130 g

  2. 2. MI-2a

    133 g

    +3 g versus 1231

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. MI-2a

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

MI-2a has approximately 188.4% 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.

Recorded RAM for 1231, MI-2a, compared at the same storage capacity.
Storage1231MI-2a
16 GB Unknown 1 GB RAM
1231: Original memory entry

48 MB

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. MI-2a

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. MI-2a

    2030 mAh

    +930 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. MI-2a

Everyday essentials
Everyday essentials — specifications for 1231, MI-2a.
Specification1231MI-2a
Dimensions (HxWxD)
  • 113 Х 65.4 Х 14.5 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 130 g
  • 133 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.5" inch
  • 4.5" inch
Screen resolution
  • 320 x 240 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 48 MB
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Standard
  • Android 4.1 (Jelly Bean)
Chipset Unknown
  • Xiaolong S4 Pro
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for 1231, MI-2a.
Specification1231MI-2a
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 19.4 cm2
  • 55.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 26.2%
  • 63.1%
PPI /points per inch/
  • 160 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for 1231, MI-2a.
Specification1231MI-2a
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
  • AF
  • f/2.0
Functions Unknown
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance

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

Performance — specifications for 1231, MI-2a.
Specification1231MI-2a
Processor CPU Unknown
  • Dual-core 1.7 GHz
Graphics processor GPU Unknown
  • Adreno 320
Antutu 7 score * Unknown
  • 21326
GeekBench 4 Single Core * Unknown
  • 742
GeekBench 4 Multi-Core * Unknown
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for 1231, MI-2a.
Specification1231MI-2a
Release date
  • 2009
  • June
  • 2013
Colors
  • Black
  • Black (front panel)
  • 4 color options (back panel)
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, MI-2a.
Specification1231MI-2a
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Proprietary
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.69 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 1231, MI-2a.
Specification1231MI-2a
Radio
  • No
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 1231, MI-2a.
Specification1231MI-2a
Dop
  • MP3/MP4 player -Organizer -Voice memo -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass