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  2. Apple iPhone X vs BLU J4

Apple iPhone X vs BLU J4

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.

      • Display technologyOLED versus LCDiPhone X: OLED · J4: LCD
      • WeightJ4: 16 g lighterJ4: 158 g · iPhone X: 174 g
      • WidthiPhone X: 1.4 mm narroweriPhone X: 70.9 mm · J4: 72.3 mm
      • Screen diagonalJ4: 0.3 in smaller diagonalJ4: 5.5 in · iPhone X: 5.8 in
      • Rear camera layoutDual / SingleiPhone X: Dual · J4: Single
      • DepthiPhone X: 2.3 mm thinneriPhone X: 7.7 mm · J4: 10 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.

      Front
      iPhone X: 143.6 × 70.9 mm 1 J4: 151 × 72.3 mm 2
      Side
      iPhone X: 143.6 × 7.7 mm 1 J4: 151 × 10 mm 2
      1. 1. iPhone X
        Height
        143.6 mm
        Width
        70.9 mm
        Depth
        7.7 mm
        Weight
        174 g
      2. 2. J4
        Height
        151 mm
        Width
        72.3 mm
        Depth
        10 mm
        Weight
        158 g

      Specifications

      Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

      Everyday essentials
      Everyday essentials
      SpecificationiPhone XJ4
      Dimensions (HxWxD)
      • 143.6 Х 70.9 Х 7.7 mm
      • 151 Х 72.3 Х 10 mm
      Weight
      • 174 g
      • 158 g
      Technology
      • Super AMOLED
      • IPS LCD
      Screen size
      • 5.8" inch
      • 5.5" inch
      Screen resolution
      • 1125 x 2436 px
      • 720 x 1440 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 64/256 GB
      • 3 GB RAM
      • 32GB 1GB RAM
      Memory card support
      • No
      • microSDXC
      BatteryCapacity is not battery life. No endurance test is implied.
      • 2716 mAh
      • Non-removable Li-Ion
      • 2200 mAh
      • Removable Li-Po
      Operating system OS
      • iOS 11.1.1
      • upgradable to iOS 12.1.3
      • Android 8.1 Oreo (Go edition)
      Chipset
      • Apple A11 Bionic (10 nm)
      		 Unknown
      NFC
      • Yes
      		 Unknown
      Headphone jack
      • No
      • Yes
      Display
      Display
      SpecificationiPhone XJ4
      Touchscreen
      • capacitive touchscreen
      • capacitive touchscreen
      Display colors
      • 16M
      • 16M
      Screen area
      • 84.4 cm2
      • 78.1 cm2
      Screen format
      • 19.5:9 (height:width)
      • 18:9 (height:width)
      Screen to body ratio
      • 82.9%
      • 71.5%
      PPI /points per inch/
      • 458 PPI
      • 293 PPI
      Screen protection
      • Scratch-resistant glass
      • oleophobic coating
      		 Unknown
      Camera and Video
      Camera and Video
      SpecificationiPhone XJ4
      Rear camera, main
      • 12 MP
      • Dual
      • 8 MP
      • Single
      Camera specs
      • 12 MP
      • f/1.8
      • 28mm (wide)
      • 1/3''
      • 1.22µm
      • OIS
      • PDAF -12 MP
      • f/2.4
      • 52mm (telephoto)
      • 1/3.4''
      • 1.0µm
      • PDAF
      • 2x optical zoom
      • 8 MP
      • AF
      Functions
      • HDR
      • LED flash
      Video
      • 1080p@30fps
      • 720p@30fps
      Front camera, selfie
      • 7 MP
      • Single
      • 8 MP
      • Single
      Specifications
      • 7 MP
      • f/2.2
      • 32mm (standard)
      • 8 MP
      DxOMark Main ScoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 97
      		 Unknown
      DxOMark PhotoLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 74
      		 Unknown
      DxOMark VideoLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 66
      		 Unknown
      DxOMark Selfie ScoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 71
      		 Unknown
      Performance
      Performance
      SpecificationiPhone XJ4
      Processor CPU
      • Hexa-core 2.39 GHz (2x Monsoon + 4x Mistral)
      • Quad-core 1.3 GHz Cortex-A7
      Graphics processor GPU
      • Apple GPU (three-core graphics)
      • Mali-400
      Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 245200
      		 Unknown
      GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 3226
      		 Unknown
      GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 11951
      		 Unknown
      Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 316142
      		 Unknown
      General specs
      General specs
      SpecificationiPhone XJ4
      Release date
      • 2017
      • September
      • 2019
      • October
      Colors
      • Space Gray
      • Silver
      • Blue
      • Black
      • Brown
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 1000 EUR
      • 70 EUR
      Battery life
      • Talking time- Up to 21 h (3G) Music play - Up to 60 h
      		 Unknown
      Body build
      • Front/back glass
      • stainless steel frame
      		 Unknown
      Communication and Connectivity
      Communication and Connectivity
      SpecificationiPhone XJ4
      SIM card
      • Nano-SIM
      • Dual SIM (Nano-SIM
      • dual stand-by)
      Network
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
      • 2(1900)
      • 3(1800)
      • 4(1700/2100)
      • 5(850)
      • 7(2600)
      • 8(900)
      • 12(700)
      • 13(700)
      • 17(700)
      • 18(800)
      • 19(800)
      • 20(800)
      • 25(1900)
      • 26(850)
      • 28(700)
      • 29(700)
      • 30(2300)
      • 34(2000)
      • 38(2600)
      • 39(1900)
      • 40(2300)
      • 41(2500)
      • 66(1700/2100)
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
      Speed
      • HSPA 42.2/5.76 Mbps
      • LTE-A (3CA) Cat12 600/150 Mbps
      • EV-DO Rev.A 3.1 Mbps
      • HSPA 21.1/5.76 Mbps
      GPRS
      • Yes
      • Yes
      Edge
      • Yes
      • Yes
      Wi-Fi
      • Wi-Fi 802.11 a/b/g/n/ac
      • dual-band
      • hotspot
      • Wi-Fi 802.11 b/g/n
      • Wi-Fi Direct
      • hotspot
      GPS
      • Yes
      • with A-GPS
      • GLONASS
      • GALILEO
      • QZSS
      • Yes
      • with A-GPS
      USB
      • 2.0
      • proprietary reversible connector
      • microUSB 2.0
      Bluetooth
      • 5.0
      • A2DP
      • LE
      • 4.1
      • A2DP
      • LE
      Harmful irradiation
      • SAR - 1.09 W/kg (head) 1.17 W/kg (body)
      		 Unknown
      Music and Audio
      Music and Audio
      SpecificationiPhone XJ4
      Radio
      • No
      • FM radio
      Others
      • Dolby Vision -HDR10 -Wide color gamut -3D Touch -True-tone -120 Hz touch-sensing
      • Active noise cancellation with dedicated mic
      		 Unknown
      Other features
      Other features
      SpecificationiPhone XJ4
      Dop
      • Sensors Face ID
      • accelerometer
      • gyro
      • proximity
      • compass
      • barometer - Fast battery charging: 50% in 30 min -Qi wireless charging -Siri natural language commands and dictation - IP67 dust/water resistant (up to 1m for 30 mins) -Apple Pay (Visa
      • MasterCard
      • AMEX certified) - Also known as Apple iPhone 10
      • Apple iPhone Ten Versions: A1865 (USA
      • Hong Kong
      • Australia
      • New Zealand
      • China) A1901 (EMEA
      • UAE
      • LATAM
      • Canada
      • USA AT&T/T-Mobile
      • Singapore)
      • Sensors Accelerometer For USA

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