BLU Life Play X vs Vodafone Smart 4

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

    Life Play X: 27 g lighter

    Life Play X:
    125 g
    Smart 4:
    152 g
  • Width

    Smart 4: 2.4 mm narrower

    Life Play X:
    68.4 mm
    Smart 4:
    66 mm
  • Screen diagonal

    Smart 4: 0.2 in smaller diagonal

    Life Play X:
    4.7 in
    Smart 4:
    4.5 in
  • Chipset

    Life Play X:
    Mediatek MT6589T (28 nm)
    Smart 4:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Life Play X: 2.7 mm thinner

    Life Play X:
    7.9 mm
    Smart 4:
    10.6 mm
  • Height

    Smart 4: 2.3 mm shorter

    Life Play X:
    137 mm
    Smart 4:
    134.7 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 Play X

    Height:
    137 mm +2.3 mm versus Smart 4
    Width:
    68.4 mm +2.4 mm versus Smart 4
    Depth:
    7.9 mm
  2. 2. Smart 4

    Height:
    134.7 mm
    Width:
    66 mm
    Depth:
    10.6 mm +2.7 mm versus Life Play X

Weight

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

  1. 1. Life Play X

    125 g

  2. 2. Smart 4

    152 g

    +27 g versus Life Play X

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 Play X

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Smart 4

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

Life Play X has approximately 9.1% more rectangular screen area than Smart 4.

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 Play X, Smart 4, compared at the same storage capacity.
StorageLife Play XSmart 4
16 GB 1 GB RAM Unknown
Smart 4: 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 Play X

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

2. Smart 4

NFC:
See details Yes (optional)
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 Play X

    1800 mAh

  2. 2. Smart 4

    1880 mAh

    +80 mAh versus Life Play X

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 Play X2. Smart 4

Everyday essentials
Everyday essentials — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
Dimensions (HxWxD)
  • 137 Х 68.4 Х 7.9 mm
  • 134.7 Х 66 Х 10.6 mm
Weight
  • 125 g
  • 152 g
Technology
  • LED-backlit IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1880 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6589T (28 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
NFC Unknown
  • Yes (optional)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 60.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.0%
  • 62.8%
PPI /points per inch/
  • 312 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
Unknown
Performance

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

Performance — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
Processor CPU
  • Quad-core 1.5 GHz Cortex-A7
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX544MP2
  • Adreno 302
Antutu 7 score *
  • 8052
  • 8302
General specs
General specs — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
Release date
  • 2013
  • December
  • 2014
  • May
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 90 EUR
Battery life
  • Stand by time- Up to 780 h (2G) / Up to 700 h (3G) Talking time- Up to 18 h (2G) / Up to 16 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
SIM card
  • Dual SIM (Mini-SIM and Micro-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
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
  • 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 - 1.22 W/kg (head) 0.82 W/kg (body)
Music and Audio
Music and Audio — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
Radio
  • Stereo FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Life Play X, Smart 4.
SpecificationLife Play XSmart 4
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity