BLU J2 vs Lenovo A630

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

    J2: 13 g lighter

    J2:
    146 g
    A630:
    159 g
  • Width

    A630: 7.1 mm narrower

    J2:
    73.1 mm
    A630:
    66 mm
  • Screen diagonal

    A630: 0.5 in smaller diagonal

    J2:
    5 in
    A630:
    4.5 in
  • Height

    A630: 13 mm shorter

    J2:
    144 mm
    A630:
    131 mm
  • Release year

    J2:
    2019
    A630:
    2013

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 +13 mm versus A630
    Width:
    73.1 mm +7.1 mm versus A630
    Depth:
    10.3 mm
  2. 2. A630

    Height:
    131 mm
    Width:
    66 mm
    Depth:
    10 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. A630

    159 g

    +13 g versus J2

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. A630

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

J2 has approximately 23.5% more rectangular screen area than A630.

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, A630, compared at the same storage capacity.
StorageJ2A630
32 GB 1 GB RAM Unknown
A630: 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. J2

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

2. A630

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 battery capacity

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

  1. 1. J2

    2000 mAh

  2. 2. A630

    2500 mAh

    +500 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. A630

Everyday essentials
Everyday essentials — specifications for J2, A630.
SpecificationJ2A630
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 131 Х 66 Х 10 mm
Weight
  • 146 g
  • 159 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5" inch
  • 4.5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 854 px
Internal memory Recorded 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)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset Unknown
  • Mediatek MT6577 (40 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, A630.
SpecificationJ2A630
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.4%
  • 64.5%
PPI /points per inch/
  • 196 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for J2, A630.
SpecificationJ2A630
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
Unknown
Performance

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

Performance — specifications for J2, A630.
SpecificationJ2A630
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Mali-400
  • PowerVR SGX531u
Antutu 7 score * Unknown
  • 8999
General specs
General specs — specifications for J2, A630.
SpecificationJ2A630
Release date
  • 2019
  • December
  • 2013
  • September
Colors
  • Blue
  • Black
  • Brown
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 80 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J2, A630.
SpecificationJ2A630
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-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
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
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for J2, A630.
SpecificationJ2A630
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for J2, A630.
SpecificationJ2A630
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer