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BLU J4 vs TECNO Pop 1

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Pop 1: 18 g lighter

    J4:
    158 g
    Pop 1:
    140 g
  • Depth

    Pop 1: 1.5 mm thinner

    J4:
    10 mm
    Pop 1:
    8.5 mm
  • Release year

    J4:
    2019
    Pop 1:
    2018

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 +1.5 mm versus Pop 1
  2. 2. Pop 1

    Height:
    151.5 mm
    Width:
    71.9 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. J4

    158 g

    +18 g versus Pop 1

  2. 2. Pop 1

    140 g

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. Pop 1

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

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, Pop 1, compared at the same storage capacity.
StorageJ4Pop 1
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. Pop 1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Pop 1

    2400 mAh

    +200 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. Pop 1

Everyday essentials
Everyday essentials — specifications for J4, Pop 1.
SpecificationJ4Pop 1
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 151.5 Х 71.9 Х 8.5 mm
Weight
  • 158 g
  • 140 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 5.45" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 960 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 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 2400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 7.0 (Nougat)
Chipset Unknown
  • Mediatek MT6580W (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J4, Pop 1.
SpecificationJ4Pop 1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 76.7 cm2
Screen format
  • 18:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 71.5%
  • 70.4%
PPI /points per inch/
  • 293 PPI
  • 197 PPI
Camera and Video
Camera and Video — specifications for J4, Pop 1.
SpecificationJ4Pop 1
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
Performance

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

Performance — specifications for J4, Pop 1.
SpecificationJ4Pop 1
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400MP2
Antutu 7 score * Unknown
  • 42873
General specs
General specs — specifications for J4, Pop 1.
SpecificationJ4Pop 1
Release date
  • 2019
  • October
  • 2018
  • March
Colors
  • Blue
  • Black
  • Brown
  • Champagn Gold
  • Midnight Black
  • Bordeaux Red
  • Jewel Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for J4, Pop 1.
SpecificationJ4Pop 1
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - 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 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, Pop 1.
SpecificationJ4Pop 1
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for J4, Pop 1.
SpecificationJ4Pop 1
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer