BLU Dash 4.0 vs BLU Life One X3

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

    Dash 4.0: 54 g lighter

    Dash 4.0:
    128 g
    Life One X3:
    182 g
  • Width

    Dash 4.0: 12.3 mm narrower

    Dash 4.0:
    63 mm
    Life One X3:
    75.3 mm
  • Screen diagonal

    Dash 4.0: 1.5 in smaller diagonal

    Dash 4.0:
    4 in
    Life One X3:
    5.5 in
  • Chipset

    Dash 4.0:
    Mediatek MT6572 (28 nm)
    Life One X3:
    Mediatek MT6753 (28 nm)
  • Depth

    Life One X3: 2.9 mm thinner

    Dash 4.0:
    11.8 mm
    Life One X3:
    8.9 mm
  • Height

    Dash 4.0: 30 mm shorter

    Dash 4.0:
    124 mm
    Life One X3:
    154 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. Dash 4.0

    Height:
    124 mm
    Width:
    63 mm
    Depth:
    11.8 mm +2.9 mm versus Life One X3
  2. 2. Life One X3

    Height:
    154 mm +30 mm versus Dash 4.0
    Width:
    75.3 mm +12.3 mm versus Dash 4.0
    Depth:
    8.9 mm

Weight

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

  1. 1. Dash 4.0

    128 g

  2. 2. Life One X3

    182 g

    +54 g versus Dash 4.0

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. Dash 4.0

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Life One X3

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

Life One X3 has approximately 83.1% more rectangular screen area than Dash 4.0.

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 Dash 4.0, Life One X3, compared at the same storage capacity.
StorageDash 4.0Life One X3
32 GB Unknown 3 GB RAM
Dash 4.0: 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. Dash 4.0

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

2. Life One X3

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

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. Dash 4.0

    1500 mAh

  2. 2. Life One X3

    5000 mAh

    +3500 mAh versus Dash 4.0

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. Dash 4.02. Life One X3

Everyday essentials
Everyday essentials — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
Dimensions (HxWxD)
  • 124 Х 63 Х 11.8 mm
  • 154 Х 75.3 Х 8.9 mm
Weight
  • 128 g
  • 182 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6572 (28 nm)
  • Mediatek MT6753 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
  • 71.9%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • 1/3''
  • 1.12µm
Functions
  • LED flash
  • LED flash
Video
  • 720@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • VGA
  • 13 MP
Performance

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

Performance — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Octa-core 1.3 GHz
Graphics processor GPU
  • Mali-400
  • Mali-T720
Antutu 7 score *
  • 4056
  • 37152
GeekBench 4 Single Core * Unknown
  • 617
GeekBench 4 Multi-Core * Unknown
  • 2334
General specs
General specs — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
Release date
  • 2012
  • December
  • 2017
  • November
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 450 h (2G) / Up to 340 h (3G) Talking time- Up to 14 h (2G) / Up to 8 h (3G)
  • Stand by time- Up to 720 h (2G) / Up to 720 h (3G) Talking time- Up to 72 h (2G) / Up to 48 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Nano-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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • 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
Music and Audio
Music and Audio — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Dash 4.0, Life One X3.
SpecificationDash 4.0Life One X3
Dop
  • Sensors Accelerometer
  • gyro
  • compass - D261 Single SIM D271 Dual SIM
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity