You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<
  1. Home
  2. BLU J4 vs Nokia E51 camera-free

BLU J4 vs Nokia E51 camera-free

Compare recorded specifications, size and practical differences.

BLU J4

BLU J4

Replace J4
Enter at least 3 characters. Tab to a result and press Enter to select.

    Remove J4
    + Add a third phone
    Enter at least 3 characters. Tab to a result and press Enter to select.

      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.

      • WeightE51 camera-free: 58 g lighterE51 camera-free: 100 g · J4: 158 g
      • WidthE51 camera-free: 26.3 mm narrowerE51 camera-free: 46 mm · J4: 72.3 mm
      • Screen diagonalE51 camera-free: 3.5 in smaller diagonalE51 camera-free: 2 in · J4: 5.5 in
      • DepthJ4: 2 mm thinnerJ4: 10 mm · E51 camera-free: 12 mm
      • HeightE51 camera-free: 36.2 mm shorterE51 camera-free: 114.8 mm · J4: 151 mm
      • Release year2019 / 2008J4: 2019 · E51 camera-free: 2008

      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 E51 camera-free: 114.8 × 46 mm 2
      Side
      J4: 151 × 10 mm 1 E51 camera-free: 114.8 × 12 mm 2
      1. 1. J4
        Height
        151 mm
        Width
        72.3 mm
        Depth
        10 mm
        Weight
        158 g
      2. 2. E51 camera-free
        Height
        114.8 mm
        Width
        46 mm
        Depth
        12 mm
        Weight
        100 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
      SpecificationJ4E51 camera-free
      Dimensions (HxWxD)
      • 151 Х 72.3 Х 10 mm
      • 114.8 Х 46 Х 12 mm
      Weight
      • 158 g
      • 100 g
      Technology
      • IPS LCD
      • TFT
      Screen size
      • 5.5" inch
      • 2" inch
      Screen resolution
      • 720 x 1440 px
      • 240 x 320 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 32GB 1GB RAM
      • 130 MB
      • 96 MB RAM
      Memory card support
      • microSDXC
      • microSD
      • up to 16 GB (dedicated slot)
      BatteryCapacity is not battery life. No endurance test is implied.
      • 2200 mAh
      • Removable Li-Po
      • 1050 mAh
      • Removable Li-Ion
      Operating system OS
      • Android 8.1 Oreo (Go edition)
      • Symbian OS 9.2
      • Series 60 v3.1 UI
      Headphone jack
      • Yes
      • No
      Display
      Display
      SpecificationJ4E51 camera-free
      Touchscreen
      • capacitive touchscreen
      		 Unknown
      Display colors
      • 16M
      • 16M
      Screen area
      • 78.1 cm2
      • 12.4 cm2
      Screen format
      • 18:9 (height:width)
      • 4:3 (height:width)
      Screen to body ratio
      • 71.5%
      • 23.5%
      PPI /points per inch/
      • 293 PPI
      • 200 PPI
      Camera and Video
      Camera and Video
      SpecificationJ4E51 camera-free
      Rear camera, main
      • 8 MP
      • Single
      • 0 MP,
      Camera specs
      • 8 MP
      • AF
      		 Unknown
      Functions
      • LED flash
      		 Unknown
      Video
      • 720p@30fps
      		 Unknown
      Front camera, selfie
      • 8 MP
      • Single
      • 0 MP,
      Specifications
      • 8 MP
      		 Unknown
      Performance
      Performance
      SpecificationJ4E51 camera-free
      Processor CPU
      • Quad-core 1.3 GHz Cortex-A7
      • 369 MHz ARM 11
      Graphics processor GPU
      • Mali-400
      		 Unknown
      General specs
      General specs
      SpecificationJ4E51 camera-free
      Release date
      • 2019
      • October
      • 2008
      • February
      Colors
      • Blue
      • Black
      • Brown
      • Black
      • Silver
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 70 EUR
      • 130 EUR
      Battery life Unknown
      • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
      Communication and Connectivity
      Communication and Connectivity
      SpecificationJ4E51 camera-free
      SIM card
      • Dual SIM (Nano-SIM
      • dual stand-by)
      • Mini-SIM
      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
      Speed
      • HSPA 21.1/5.76 Mbps
      • HSPA 3.6/0.384 Mbps
      GPRS
      • Yes
      • Class 32
      Edge
      • Yes
      • Class 32
      Wi-Fi
      • Wi-Fi 802.11 b/g/n
      • Wi-Fi Direct
      • hotspot
      • Wi-Fi 802.11b/g
      • VoIP over WLAN
      GPS
      • Yes
      • with A-GPS
      • No
      USB
      • microUSB 2.0
      • miniUSB 2.0
      Bluetooth
      • 4.1
      • A2DP
      • LE
      • 2.0
      • A2DP
      Harmful irradiation Unknown
      • SAR - 1.47 W/kg (head) 0.75 W/kg (body) SAR EU - 1.38 W/kg (head)
      Music and Audio
      Music and Audio
      SpecificationJ4E51 camera-free
      Radio
      • FM radio
      • FM radio
      Others Unknown
      • Five-way scroll key -Downloadable themes
      Other features
      Other features
      SpecificationJ4E51 camera-free
      Dop
      • Sensors Accelerometer For USA
      • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer -Predictive text input -Voice command/memo -Organizer -Nokia Intellisync Wireless Email -Exchange mail