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Xiaomi MI-2a vs ZTE Open

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 4.5 mm narrower

    MI-2a:
    66.5 mm
    Open:
    62 mm
  • Screen diagonal

    Open: 1 in smaller diagonal

    MI-2a:
    4.5 in
    Open:
    3.5 in
  • Depth

    MI-2a: 3 mm thinner

    MI-2a:
    9.5 mm
    Open:
    12.5 mm
  • Height

    Open: 19 mm shorter

    MI-2a:
    133 mm
    Open:
    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. MI-2a

    Height:
    133 mm +19 mm versus Open
    Width:
    66.5 mm +4.5 mm versus Open
    Depth:
    9.5 mm
    Weight:
    133 g
  2. 2. Open

    Height:
    114 mm
    Width:
    62 mm
    Depth:
    12.5 mm +3 mm versus MI-2a
    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. MI-2a

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

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

MI-2a has approximately 53% more rectangular screen area than Open.

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 MI-2a, Open, compared at the same storage capacity.
StorageMI-2aOpen
16 GB 1 GB RAM Unknown
Open: Original memory entry

512 MB ROM · 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. MI-2a

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

2. Open

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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. MI-2a

    2030 mAh

    +830 mAh versus Open

  2. 2. Open

    1200 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. MI-2a2. Open

Everyday essentials
Everyday essentials — specifications for MI-2a, Open.
SpecificationMI-2aOpen
Dimensions (HxWxD)
  • 133 Х 66.5 Х 9.5 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 133 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2030 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Firefox OS 1.0
Chipset
  • Xiaolong S4 Pro
  • Qualcomm MSM7225A Snapdragon S1
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for MI-2a, Open.
SpecificationMI-2aOpen
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 55.8 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 63.1%
  • 51.6%
PPI /points per inch/
  • 326 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for MI-2a, Open.
SpecificationMI-2aOpen
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • f/2.0
  • 3.15 MP
Functions
  • LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance

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

Performance — specifications for MI-2a, Open.
SpecificationMI-2aOpen
Processor CPU
  • Dual-core 1.7 GHz
  • 1.0 GHz Cortex-A5
Graphics processor GPU
  • Adreno 320
  • Adreno 200
Antutu 7 score *
  • 21326
  • 1456
GeekBench 4 Single Core *
  • 742
Unknown
GeekBench 4 Multi-Core *
  • 1151
Unknown
GeekBench 4 RenderScript *
  • 1277
Unknown
General specs
General specs — specifications for MI-2a, Open.
SpecificationMI-2aOpen
Release date
  • 2013
  • 2013
  • February
Colors
  • Black (front panel)
  • 4 color options (back panel)
  • Blue
  • Orange
Communication and Connectivity
Communication and Connectivity — specifications for MI-2a, Open.
SpecificationMI-2aOpen
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for MI-2a, Open.
SpecificationMI-2aOpen
Radio
  • FM radio
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for MI-2a, Open.
SpecificationMI-2aOpen
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input