BLU Life Mark vs Panasonic T31

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.

  • Weight

    T31: 30 g lighter

    Life Mark:
    150 g
    T31:
    120 g
  • Width

    T31: 7.6 mm narrower

    Life Mark:
    72 mm
    T31:
    64.4 mm
  • Screen diagonal

    T31: 1 in smaller diagonal

    Life Mark:
    5 in
    T31:
    4 in
  • Chipset

    Life Mark:
    Mediatek MT6735 (28 nm)
    T31:
    Mediatek MT6572M (28 nm)
  • Depth

    Life Mark: 1.7 mm thinner

    Life Mark:
    9.5 mm
    T31:
    11.2 mm
  • Height

    T31: 20.4 mm shorter

    Life Mark:
    142.4 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. Life Mark

    Height:
    142.4 mm +20.4 mm versus T31
    Width:
    72 mm +7.6 mm versus T31
    Depth:
    9.5 mm
  2. 2. T31

    Height:
    122 mm
    Width:
    64.4 mm
    Depth:
    11.2 mm +1.7 mm versus Life Mark

Weight

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

  1. 1. Life Mark

    150 g

    +30 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. Life Mark

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

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

Life Mark has approximately 51.3% 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 Life Mark, T31, compared at the same storage capacity.
StorageLife MarkT31
16 GB 2 GB RAM Unknown
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. Life Mark

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. Life Mark

    2300 mAh

    +1000 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. Life Mark2. T31

Everyday essentials
Everyday essentials — specifications for Life Mark, T31.
SpecificationLife MarkT31
Dimensions (HxWxD)
  • 142.4 Х 72 Х 9.5 mm
  • 122 Х 64.4 Х 11.2 mm
Weight
  • 150 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB 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.
  • 2300 mAh
  • Removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Mediatek MT6735 (28 nm)
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Life Mark, T31.
SpecificationLife MarkT31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 67.2%
  • 58.0%
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Life Mark, T31.
SpecificationLife MarkT31
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • AF
  • 3.15 MP
Functions
  • LED flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 720p@24fps
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA
Performance

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

Performance — specifications for Life Mark, T31.
SpecificationLife MarkT31
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720
  • Mali-400
Antutu 7 score *
  • 32155
  • 24789
General specs
General specs — specifications for Life Mark, T31.
SpecificationLife MarkT31
Release date
  • 2016
  • March
  • 2013
  • October
Colors
  • Gold
  • Grey
  • White
  • 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 715 h (2G) / Up to 615 h (3G) Talking time- Up to 25 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 Life Mark, T31.
SpecificationLife MarkT31
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 40(2300) - L0030EE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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 Life Mark, T31.
SpecificationLife MarkT31
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Life Mark, T31.
SpecificationLife MarkT31
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity