alcatel One Touch Idol vs BLU J2

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

    One Touch Idol: 37 g lighter

    One Touch Idol:
    109 g
    J2:
    146 g
  • Width

    One Touch Idol: 5.6 mm narrower

    One Touch Idol:
    67.5 mm
    J2:
    73.1 mm
  • Screen diagonal

    One Touch Idol: 0.34 in smaller diagonal

    One Touch Idol:
    4.66 in
    J2:
    5 in
  • Depth

    One Touch Idol: 2.4 mm thinner

    One Touch Idol:
    7.9 mm
    J2:
    10.3 mm
  • Height

    One Touch Idol: 11 mm shorter

    One Touch Idol:
    133 mm
    J2:
    144 mm
  • Release year

    One Touch Idol:
    2013
    J2:
    2019

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. One Touch Idol

    Height:
    133 mm
    Width:
    67.5 mm
    Depth:
    7.9 mm
  2. 2. J2

    Height:
    144 mm +11 mm versus One Touch Idol
    Width:
    73.1 mm +5.6 mm versus One Touch Idol
    Depth:
    10.3 mm +2.4 mm versus One Touch Idol

Weight

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

  1. 1. One Touch Idol

    109 g

  2. 2. J2

    146 g

    +37 g versus One Touch Idol

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. One Touch Idol

    Screen diagonal:
    4.66 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    59.9 cm²
  2. 2. J2

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

J2 has approximately 15.1% more rectangular screen area than One Touch Idol.

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 One Touch Idol, J2, compared at the same storage capacity.
StorageOne Touch IdolJ2
32 GB Unknown 1 GB RAM
One Touch Idol: Original memory entry

4 GB / 13.3 GB (dual SIM version) · 1 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. One Touch Idol

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

2. J2

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

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. One Touch Idol

    1800 mAh

  2. 2. J2

    2000 mAh

    +200 mAh versus One Touch Idol

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. One Touch Idol2. J2

Everyday essentials
Everyday essentials — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
Dimensions (HxWxD)
  • 133 Х 67.5 Х 7.9 mm
  • 144 Х 73.1 Х 10.3 mm
Weight
  • 109 g
  • 146 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.66" inch
  • 5" inch
Screen resolution
  • 540 x 960 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB / 13.3 GB (dual SIM version)
  • 1 GB RAM
  • 32GB 1GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot) - single-SIM model
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Li-Po
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 8.1 Oreo (Go edition)
Chipset
  • Mediatek MT6577 (40 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 59.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.7%
  • 65.4%
PPI /points per inch/
  • 236 PPI
  • 196 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
Performance

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

Performance — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX531u
  • Mali-400
GeekBench 4 Single Core *
  • 319
Unknown
GeekBench 4 Multi-Core *
  • 564
Unknown
General specs
General specs — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
Release date
  • 2013
  • January
  • 2019
  • December
Colors
  • Silver
  • Slate
  • Pink
  • Red
  • Yellow
  • Blue
  • Black
  • Brown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 50 EUR
Battery life
  • Stand by time- Up to 415 h (2G) / Up to 410 h (3G) Talking time- Up to 7 h 10 min (2G) / Up to 3 h 30 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-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 (dual-SIM model only)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 21.1/5.76 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for One Touch Idol, J2.
SpecificationOne Touch IdolJ2
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Also known as Alcatel OT-6030D
  • Sensors Accelerometer For USA