BLU Grand Mini vs Panasonic T31

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: 12 g lighter

    Grand Mini:
    132 g
    T31:
    120 g
  • Width

    T31: 1.6 mm narrower

    Grand Mini:
    66 mm
    T31:
    64.4 mm
  • Screen diagonal

    T31: 0.5 in smaller diagonal

    Grand Mini:
    4.5 in
    T31:
    4 in
  • Chipset

    Grand Mini:
    Mediatek MT6570 (28 nm)
    T31:
    Mediatek MT6572M (28 nm)
  • Depth

    Grand Mini: 2.6 mm thinner

    Grand Mini:
    8.6 mm
    T31:
    11.2 mm
  • Height

    T31: 10 mm shorter

    Grand Mini:
    132 mm
    T31:
    122 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. Grand Mini

    Height:
    132 mm +10 mm versus T31
    Width:
    66 mm +1.6 mm versus T31
    Depth:
    8.6 mm
  2. 2. T31

    Height:
    122 mm
    Width:
    64.4 mm
    Depth:
    11.2 mm +2.6 mm versus Grand Mini

Weight

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

  1. 1. Grand Mini

    132 g

    +12 g versus T31

  2. 2. T31

    120 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. Grand Mini

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. T31

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

Grand Mini 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.

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

Grand Mini: Original memory entry

8 GB · 512 MB 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. Grand Mini

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. T31

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. Grand Mini

    1500 mAh

    +200 mAh versus T31

  2. 2. T31

    1300 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. Grand Mini2. T31

Everyday essentials
Everyday essentials — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
Dimensions (HxWxD)
  • 132 Х 66 Х 8.6 mm
  • 122 Х 64.4 Х 11.2 mm
Weight
  • 132 g
  • 120 g
Technology Unknown
  • TFT
Screen size
  • 4.5" inch
  • 4" inch
Screen resolution
  • 480 x 854 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Mediatek MT6570 (28 nm)
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 64.1%
  • 58.0%
PPI /points per inch/
  • 218 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Functions
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 720p@24fps
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance

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

Performance — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400
Antutu 7 score *
  • 15262
  • 24789
General specs
General specs — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
Release date
  • 2017
  • August
  • 2013
  • October
Colors
  • Black
  • Rose Gold
  • Silver
  • Gold
  • Pure White
  • Bluish Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 500 h (2G) / Up to 450 h (3G) Talking time- Up to 20 h (2G) / Up to 15 h (3G)
  • 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)
Communication and Connectivity
Communication and Connectivity — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM (Mini-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.85 W/kg (head) 1.18 W/kg (body)
Music and Audio
Music and Audio — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
Radio Unknown
  • FM radio
Other features
Other features — specifications for Grand Mini, T31.
SpecificationGrand MiniT31
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity