BLU J4 vs Energizer Energy 500

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

    J4: 126 g lighter

    J4:
    158 g
    Energy 500:
    284 g
  • Width

    J4: 8.3 mm narrower

    J4:
    72.3 mm
    Energy 500:
    80.6 mm
  • Screen diagonal

    Energy 500: 0.5 in smaller diagonal

    J4:
    5.5 in
    Energy 500:
    5 in
  • Depth

    J4: 8.8 mm thinner

    J4:
    10 mm
    Energy 500:
    18.8 mm
  • Release year

    J4:
    2019
    Energy 500:
    2015

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. J4

    Height:
    151 mm
    Width:
    72.3 mm
    Depth:
    10 mm
  2. 2. Energy 500

    Height:
    152.3 mm
    Width:
    80.6 mm +8.3 mm versus J4
    Depth:
    18.8 mm +8.8 mm versus J4

Weight

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

  1. 1. J4

    158 g

  2. 2. Energy 500

    284 g

    +126 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.

  1. 1. J4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Energy 500

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

J4 has approximately 13.3% more rectangular screen area than Energy 500.

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 J4, Energy 500, compared at the same storage capacity.
StorageJ4Energy 500
8 GB Not recorded 1 GB RAM
32 GB 1 GB RAM Not recorded

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. Energy 500

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. J4

    2200 mAh

  2. 2. Energy 500

    3000 mAh

    +800 mAh versus J4

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. Energy 500

Everyday essentials
Everyday essentials — specifications for J4, Energy 500.
SpecificationJ4Energy 500
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 152.3 Х 80.6 Х 18.8 mm
Weight
  • 158 g
  • 284 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.4 (KitKat)
Chipset Unknown
  • Mediatek MT6582 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, Energy 500.
SpecificationJ4Energy 500
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%
  • 56.1%
PPI /points per inch/
  • 293 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for J4, Energy 500.
SpecificationJ4Energy 500
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
Performance
Performance — specifications for J4, Energy 500.
SpecificationJ4Energy 500
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400MP2
General specs
General specs — specifications for J4, Energy 500.
SpecificationJ4Energy 500
Release date
  • 2019
  • October
  • 2015
  • January
Colors
  • Blue
  • Black
  • Brown
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 500 h Talking time- Up to 18 h 40 min
Communication and Connectivity
Communication and Connectivity — specifications for J4, Energy 500.
SpecificationJ4Energy 500
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM/ Micro-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
Speed
  • HSPA 21.1/5.76 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 a/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
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J4, Energy 500.
SpecificationJ4Energy 500
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for J4, Energy 500.
SpecificationJ4Energy 500
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - IP68 dust/water proof (up to 1.8m for 30 mins)