Panasonic T31 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.

  • Weight

    T31: 13 g lighter

    T31:
    120 g
    MI-2a:
    133 g
  • Width

    T31: 2.1 mm narrower

    T31:
    64.4 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    T31: 0.5 in smaller diagonal

    T31:
    4 in
    MI-2a:
    4.5 in
  • Depth

    MI-2a: 1.7 mm thinner

    T31:
    11.2 mm
    MI-2a:
    9.5 mm
  • Height

    T31: 11 mm shorter

    T31:
    122 mm
    MI-2a:
    133 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. T31

    Height:
    122 mm
    Width:
    64.4 mm
    Depth:
    11.2 mm +1.7 mm versus MI-2a
  2. 2. MI-2a

    Height:
    133 mm +11 mm versus T31
    Width:
    66.5 mm +2.1 mm versus T31
    Depth:
    9.5 mm

Weight

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

  1. 1. T31

    120 g

  2. 2. MI-2a

    133 g

    +13 g versus T31

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. T31

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 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 22.6% more rectangular screen area than T31.

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 T31, MI-2a, compared at the same storage capacity.
StorageT31MI-2a
16 GB Unknown 1 GB RAM
T31: 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. T31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. T31

    1300 mAh

  2. 2. MI-2a

    2030 mAh

    +730 mAh versus T31

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. T312. MI-2a

Everyday essentials
Everyday essentials — specifications for T31, MI-2a.
SpecificationT31MI-2a
Dimensions (HxWxD)
  • 122 Х 64.4 Х 11.2 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 120 g
  • 133 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.1 (Jelly Bean)
Chipset
  • Mediatek MT6572M (28 nm)
  • Xiaolong S4 Pro
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for T31, MI-2a.
SpecificationT31MI-2a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.0%
  • 63.1%
PPI /points per inch/
  • 233 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for T31, MI-2a.
SpecificationT31MI-2a
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
  • f/2.0
Functions
  • HDR
  • LED flash
  • HDR
Video
  • 720p@24fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance

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

Performance — specifications for T31, MI-2a.
SpecificationT31MI-2a
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Dual-core 1.7 GHz
Graphics processor GPU
  • Mali-400
  • Adreno 320
Antutu 7 score *
  • 24789
  • 21326
GeekBench 4 Single Core * Unknown
  • 742
GeekBench 4 Multi-Core * Unknown
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for T31, MI-2a.
SpecificationT31MI-2a
Release date
  • 2013
  • October
  • 2013
Colors
  • Pure White
  • Bluish Black
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 510 h (2G) / Up to 400 h (3G) Talking time- Up to 3 h 30 min (2G) / Up to 9 h 30 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for T31, MI-2a.
SpecificationT31MI-2a
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.85 W/kg (head) 1.18 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for T31, MI-2a.
SpecificationT31MI-2a
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for T31, MI-2a.
SpecificationT31MI-2a
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass