BLU J2 vs Lenovo S856

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: 29 g lighter

    J2:
    146 g
    S856:
    175 g
  • Width

    J2: 4.7 mm narrower

    J2:
    73.1 mm
    S856:
    77.8 mm
  • Screen diagonal

    J2: 0.5 in smaller diagonal

    J2:
    5 in
    S856:
    5.5 in
  • Depth

    S856: 1.3 mm thinner

    J2:
    10.3 mm
    S856:
    9 mm
  • Height

    J2: 7 mm shorter

    J2:
    144 mm
    S856:
    151 mm
  • Release year

    J2:
    2019
    S856:
    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 +1.3 mm versus S856
  2. 2. S856

    Height:
    151 mm +7 mm versus J2
    Width:
    77.8 mm +4.7 mm versus J2
    Depth:
    9 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. S856

    175 g

    +29 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. S856

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

S856 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, S856, compared at the same storage capacity.
StorageJ2S856
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. J2

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

2. S856

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. S856

    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. S856

Everyday essentials
Everyday essentials — specifications for J2, S856.
SpecificationJ2S856
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 151 Х 77.8 Х 9 mm
Weight
  • 146 g
  • 175 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 480 x 854 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 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 2500 mAh
  • Removable Li-Po
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, S856.
SpecificationJ2S856
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.4%
  • 71.0%
PPI /points per inch/
  • 196 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for J2, S856.
SpecificationJ2S856
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 5 MP
  • Single
  • 1.6 MP
  • Single
Specifications
  • 5 MP
  • 1.6 MP
Performance

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

Performance — specifications for J2, S856.
SpecificationJ2S856
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Adreno 305
Antutu 7 score * Unknown
  • 18562
GeekBench 4 Single Core * Unknown
  • 336
GeekBench 4 Multi-Core * Unknown
  • 1077
General specs
General specs — specifications for J2, S856.
SpecificationJ2S856
Release date
  • 2019
  • December
  • 2014
  • October
Colors
  • Blue
  • Black
  • Brown
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 210 EUR
Battery life Unknown
  • Stand by time- Up to 456 h (2G) / Up to 312 h (3G) Talking time- Up to 24 h (2G) / Up to 25 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for J2, S856.
SpecificationJ2S856
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 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
  • LTE Cat3 100/50 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
Music and Audio
Music and Audio — specifications for J2, S856.
SpecificationJ2S856
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for J2, S856.
SpecificationJ2S856
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity