BLU J2 vs ZTE Nubia Z7

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.

  • Width

    J2: 2.6 mm narrower

    J2:
    73.1 mm
    Nubia Z7:
    75.7 mm
  • Screen diagonal

    J2: 0.5 in smaller diagonal

    J2:
    5 in
    Nubia Z7:
    5.5 in
  • Memory variants

    At 32 GB storage

    J2:
    1 GB RAM
    Nubia Z7:
    3 GB RAM
  • Depth

    Nubia Z7: 1.4 mm thinner

    J2:
    10.3 mm
    Nubia Z7:
    8.9 mm
  • Height

    J2: 9.2 mm shorter

    J2:
    144 mm
    Nubia Z7:
    153.2 mm
  • Release year

    J2:
    2019
    Nubia Z7:
    2014

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. J2

    Height:
    144 mm
    Width:
    73.1 mm
    Depth:
    10.3 mm +1.4 mm versus Nubia Z7
    Weight:
    146 g
  2. 2. Nubia Z7

    Height:
    153.2 mm +9.2 mm versus J2
    Width:
    75.7 mm +2.6 mm versus J2
    Depth:
    8.9 mm
    Weight:
    Unknown

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. J2

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Nubia Z7

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

Nubia Z7 has approximately 21% more rectangular screen area than J2.

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 J2, Nubia Z7, compared at the same storage capacity.
StorageJ2Nubia Z7
32 GB Recorded for all phones 1 GB RAM 3 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. J2

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

2. Nubia Z7

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. J2

    2000 mAh

  2. 2. Nubia Z7

    3000 mAh

    +1000 mAh versus J2

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. J22. Nubia Z7

Everyday essentials
Everyday essentials — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 153.2 Х 75.7 Х 8.9 mm
Weight
  • 146 g
  • 0 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 480 x 854 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSDXC
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.4.2 (KitKat); nubia UI 2
Chipset Unknown
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 82.2 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.4%
  • 70.8%
PPI /points per inch/
  • 196 PPI
  • 538 PPI
Camera and Video
Camera and Video — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • OIS
  • AF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • 5 MP
Performance

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

Performance — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU
  • Mali-400
  • Adreno 330
Antutu 7 score * Unknown
  • 37154
General specs
General specs — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
Release date
  • 2019
  • December
  • 2014
  • July
Colors
  • Blue
  • Black
  • Brown
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 250 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual 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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE
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/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
Radio
  • FM radio
  • FM radio
Others Unknown
  • DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for J2, Nubia Z7.
SpecificationJ2Nubia Z7
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port