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BLU J4 vs Micromax A100

Compare recorded specifications, size and practical differences.

BLU J4

BLU J4

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Micromax A100

Micromax A100

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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.

  • WeightJ4: 10 g lighterJ4: 158 g · A100: 168 g
  • Screen diagonalA100: 0.5 in smaller diagonalA100: 5 in · J4: 5.5 in
  • DepthJ4: 1.9 mm thinnerJ4: 10 mm · A100: 11.9 mm
  • HeightA100: 8.8 mm shorterA100: 142.2 mm · J4: 151 mm
  • Release year2019 / 2012J4: 2019 · A100: 2012

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.

Front
J4: 151 × 72.3 mm 1 A100: 142.2 × 72.6 mm 2
Side
J4: 151 × 10 mm 1 A100: 142.2 × 11.9 mm 2
  1. 1. J4
    Height
    151 mm+8.8 mm versus A100
    Width
    72.3 mm
    Depth
    10 mm
    Weight
    158 g
  2. 2. A100
    Height
    142.2 mm
    Width
    72.6 mm
    Depth
    11.9 mm+1.9 mm versus J4
    Weight
    168 g
Weight

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

  1. 1. J4158 g
  2. 2. A100168 g

    +10 g versus J4

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.

Screen size
J4: 5.5 in, 18:9, About 78.1 cm² rectangular area 1 A100: 5 in, 16:9, About 68.9 cm² rectangular area 2
  1. 1. J4 5.5 in · 18:9 About 78.1 cm² rectangular area
  2. 2. A100 5 in · 16:9 About 68.9 cm² rectangular area

J4 has approximately 13.3% more rectangular screen area than A100.

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 by storage capacity and phone
StorageJ4A100
32 GB 1 GB RAM Unknown
A100: 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. J4

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSDXC

2. A100

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 capacity

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

  1. 1. J42200 mAh

    +200 mAh versus A100

  2. 2. A1002000 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. J42. A100

Everyday essentials
Everyday essentials
SpecificationJ4A100
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 142.2 Х 72.6 Х 11.9 mm
Weight
  • 158 g
  • 168 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 854 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.0.3 (Ice Cream Sandwich)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationJ4A100
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 68.9 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.5%
  • 66.7%
PPI /points per inch/
  • 293 PPI
  • 196 PPI
Camera and Video
Camera and Video
SpecificationJ4A100
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA
Performance
Performance
SpecificationJ4A100
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Mali-400
  • Adreno 200
General specs
General specs
SpecificationJ4A100
Release date
  • 2019
  • October
  • 2012
  • August
Colors
  • Blue
  • Black
  • Brown
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 160 EUR
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity
SpecificationJ4A100
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-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 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
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
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 3.0
  • A2DP
Music and Audio
Music and Audio
SpecificationJ4A100
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationJ4A100
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity - MP3/AAC/WMA/WAV player -MP4/WMV/H.264 player -Organizer -Document viewer -Voice memo/dial -Predictive text input