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BLU J4 vs Xiaomi Mi Note 3

Compare recorded specifications, size and practical differences.

BLU J4

BLU J4

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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.

  • WeightJ4: 5 g lighterJ4: 158 g · Mi Note 3: 163 g
  • WidthJ4: 1.7 mm narrowerJ4: 72.3 mm · Mi Note 3: 74 mm
  • Rear camera layoutSingle / DualJ4: Single · Mi Note 3: Dual
  • DepthMi Note 3: 2.4 mm thinnerMi Note 3: 7.6 mm · J4: 10 mm
  • Release year2019 / 2017J4: 2019 · Mi Note 3: 2017

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.

Front
J4: 151 × 72.3 mm 1 Mi Note 3: 152.6 × 74 mm 2
Side
J4: 151 × 10 mm 1 Mi Note 3: 152.6 × 7.6 mm 2
  1. 1. J4
    Height
    151 mm
    Width
    72.3 mm
    Depth
    10 mm+2.4 mm versus Mi Note 3
    Weight
    158 g
  2. 2. Mi Note 3
    Height
    152.6 mm
    Width
    74 mm+1.7 mm versus J4
    Depth
    7.6 mm
    Weight
    163 g
Weight

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

  1. 1. J4158 g
  2. 2. Mi Note 3163 g

    +5 g versus J4

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.

Screen size
J4: 5.5 in, 18:9, About 78.1 cm² rectangular area 1 Mi Note 3: 5.5 in, 16:9, About 83.4 cm² rectangular area 2
  1. 1. J4 5.5 in · 18:9 About 78.1 cm² rectangular area
  2. 2. Mi Note 3 5.5 in · 16:9 About 83.4 cm² rectangular area

Mi Note 3 has approximately 6.8% more rectangular screen area than J4.

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 by storage capacity and phone
StorageJ4Mi Note 3
32 GB 1 GB RAM Not recorded
64 GB Not recorded 6 GB RAM
128 GB Not recorded 6 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. J4

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSDXC

2. Mi Note 3

NFC
Yes
Headphone jack
No
Memory card support
No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. J42200 mAh
  2. 2. Mi Note 33500 mAh

    +1300 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. Mi Note 3

Everyday essentials
Everyday essentials
SpecificationJ4Mi Note 3
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 152.6 Х 74 Х 7.6 mm
Weight
  • 158 g
  • 163 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSDXC
  • No
BatteryCapacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 7.1 (Nougat); MIUI 10
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display
SpecificationJ4Mi Note 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 83.4 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.5%
  • 73.8%
PPI /points per inch/
  • 293 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video
SpecificationJ4Mi Note 3
Rear camera, main
  • 8 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 12 MP
  • f/1.8
  • 27mm (wide)
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • AF
  • 2x optical zoom
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • 16 MP
  • 1.0µm
DxOMark Main ScoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 90
DxOMark PhotoLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 94
DxOMark VideoLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 82
Performance
Performance
SpecificationJ4Mi Note 3
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Mali-400
  • Adreno 512
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 139785
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1588
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 5629
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 5365
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 331
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1388
General specs
General specs
SpecificationJ4Mi Note 3
Release date
  • 2019
  • October
  • 2017
  • September
Colors
  • Blue
  • Black
  • Brown
  • Black
  • Blue (128/6 only)
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 280 EUR
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity
SpecificationJ4Mi Note 3
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio
SpecificationJ4Mi Note 3
Radio
  • FM radio
  • No
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features
SpecificationJ4Mi Note 3
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0)