BLU J2 vs Vodafone Smart X9

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

    J2: 7 g lighter

    J2:
    146 g
    Smart X9:
    153 g
  • Width

    Smart X9: 1.8 mm narrower

    J2:
    73.1 mm
    Smart X9:
    71.3 mm
  • Screen diagonal

    J2: 0.7 in smaller diagonal

    J2:
    5 in
    Smart X9:
    5.7 in
  • Memory variants

    At 32 GB storage

    J2:
    1 GB RAM
    Smart X9:
    3 GB RAM
  • Depth

    Smart X9: 2.3 mm thinner

    J2:
    10.3 mm
    Smart X9:
    8 mm
  • Height

    J2: 4.2 mm shorter

    J2:
    144 mm
    Smart X9:
    148.2 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. J2

    Height:
    144 mm
    Width:
    73.1 mm +1.8 mm versus Smart X9
    Depth:
    10.3 mm +2.3 mm versus Smart X9
  2. 2. Smart X9

    Height:
    148.2 mm +4.2 mm versus J2
    Width:
    71.3 mm
    Depth:
    8 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. Smart X9

    153 g

    +7 g versus J2

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. J2

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Smart X9

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²

Smart X9 has approximately 21.7% more rectangular screen area than J2.

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 J2, Smart X9, compared at the same storage capacity.
StorageJ2Smart X9
32 GB Recorded for all phones 1 GB RAM 3 GB 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. J2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. Smart X9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. J2

    2000 mAh

  2. 2. Smart X9

    3100 mAh

    +1100 mAh versus J2

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. J22. Smart X9

Everyday essentials
Everyday essentials — specifications for J2, Smart X9.
SpecificationJ2Smart X9
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 148.2 Х 71.3 Х 8 mm
Weight
  • 146 g
  • 153 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.7" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 3100 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 8.1 (Oreo)
Chipset Unknown
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, Smart X9.
SpecificationJ2Smart X9
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 82.7 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 65.4%
  • 78.2%
PPI /points per inch/
  • 196 PPI
  • 427 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for J2, Smart X9.
SpecificationJ2Smart X9
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 5 MP
  • 16 MP
  • AF -5 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
Performance

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

Performance — specifications for J2, Smart X9.
SpecificationJ2Smart X9
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core 1.8 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 506
Antutu 7 score * Unknown
  • 59232
General specs
General specs — specifications for J2, Smart X9.
SpecificationJ2Smart X9
Release date
  • 2019
  • December
  • 2018
  • December
Colors
  • Blue
  • Black
  • Brown
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 110 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J2, Smart X9.
SpecificationJ2Smart X9
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Nano-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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE 800/900/1800/2100/2600 LTE 700/900/1800/2100/2600
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • 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
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.40 W/kg (head) 1.23 W/kg (body)
Music and Audio
Music and Audio — specifications for J2, Smart X9.
SpecificationJ2Smart X9
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for J2, Smart X9.
SpecificationJ2Smart X9
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass