BLU J7L vs ZTE Blade 20

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

    J7L: 17 g lighter

    J7L:
    173 g
    Blade 20:
    190 g
  • Width

    J7L: 1.9 mm narrower

    J7L:
    74.7 mm
    Blade 20:
    76.6 mm
  • Screen diagonal

    J7L: 0.79 in smaller diagonal

    J7L:
    5.7 in
    Blade 20:
    6.49 in
  • Rear camera layout

    J7L:
    Single
    Blade 20:
    Dual
  • Depth

    Blade 20: 1.9 mm thinner

    J7L:
    10.9 mm
    Blade 20:
    9 mm
  • Height

    J7L: 7.9 mm shorter

    J7L:
    155 mm
    Blade 20:
    162.9 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. J7L

    Height:
    155 mm
    Width:
    74.7 mm
    Depth:
    10.9 mm +1.9 mm versus Blade 20
  2. 2. Blade 20

    Height:
    162.9 mm +7.9 mm versus J7L
    Width:
    76.6 mm +1.9 mm versus J7L
    Depth:
    9 mm

Weight

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

  1. 1. J7L

    173 g

  2. 2. Blade 20

    190 g

    +17 g versus J7L

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. J7L

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. Blade 20

    Screen diagonal:
    6.49 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    103.4 cm²

Blade 20 has approximately 23.3% more rectangular screen area than J7L.

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 J7L, Blade 20, compared at the same storage capacity.
StorageJ7LBlade 20
32 GB 1 GB RAM Not recorded
128 GB Not recorded 4 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. J7L

NFC:
No
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. Blade 20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

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. J7L

    3000 mAh

  2. 2. Blade 20

    5000 mAh

    +2000 mAh versus J7L

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. J7L2. Blade 20

Everyday essentials
Everyday essentials — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
Dimensions (HxWxD)
  • 155 Х 74.7 Х 10.9 mm
  • 162.9 Х 76.6 Х 9 mm
Weight
  • 173 g
  • 190 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inc
  • 6.49" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 128GB 4GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10 (Go edition)
  • Android 9.0 (Pie)
Chipset Unknown
  • Mediatek MT6771 Helio P70 (12nm)
NFC
  • No
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 103.4 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 72.4%
  • 82.9%
PPI /points per inch/ Unknown
  • 265 PPI
Camera and Video
Camera and Video — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • -8 MP
  • 16 MP
  • f/2.0
  • PDAF -8 MP
  • 12mm (ultrawide) -2 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • 8 MP
  • f/2.4
Performance
Performance — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
Processor CPU
  • - Quad-core 1.4 GHz Cortex-A53
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • - Mali-T820
  • Mali-G72 MP3
General specs
General specs — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
Release date
  • 2020
  • October
  • 2019
  • October
Colors
  • Blue
  • Black
  • Violet
  • Tan
  • Turquoise
  • Magic red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 USD
  • 130 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
SIM card
  • Dual SIM (Nano-SIM/Micro-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - 1
  • 2
  • 3
  • 4
  • 5
  • 7
  • 12
  • 17
  • 28
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE-A
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
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for J7L, Blade 20.
SpecificationJ7LBlade 20
Dop
  • - Sensors - Fingerprint (rear-mounted)
  • accelerometer - For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W