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  2. Nokia E51 vs Yezz Billy 4.7

Nokia E51 vs Yezz Billy 4.7

Compare recorded specifications, size and practical differences.

Nokia E51

Nokia E51

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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.

      • WeightE51: 20 g lighterE51: 100 g · Billy 4.7: 120 g
      • WidthE51: 21.2 mm narrowerE51: 46 mm · Billy 4.7: 67.2 mm
      • Screen diagonalE51: 2.7 in smaller diagonalE51: 2 in · Billy 4.7: 4.7 in
      • DepthBilly 4.7: 4.8 mm thinnerBilly 4.7: 7.2 mm · E51: 12 mm
      • HeightE51: 21 mm shorterE51: 114.8 mm · Billy 4.7: 135.8 mm
      • Release year2007 / 2014E51: 2007 · Billy 4.7: 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.

      Front
      E51: 114.8 × 46 mm 1 Billy 4.7: 135.8 × 67.2 mm 2
      Side
      E51: 114.8 × 12 mm 1 Billy 4.7: 135.8 × 7.2 mm 2
      1. 1. E51
        Height
        114.8 mm
        Width
        46 mm
        Depth
        12 mm
        Weight
        100 g
      2. 2. Billy 4.7
        Height
        135.8 mm
        Width
        67.2 mm
        Depth
        7.2 mm
        Weight
        120 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
      SpecificationE51Billy 4.7
      Dimensions (HxWxD)
      • 114.8 Х 46 Х 12 mm
      • 135.8 Х 67.2 Х 7.2 mm
      Weight
      • 100 g
      • 120 g
      Technology
      • TFT
      • IPS LCD
      Screen size
      • 2" inch
      • 4.7" inch
      Screen resolution
      • 240 x 320 px
      • 720 x 1280 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 130 MB
      • 96 MB RAM
      • 8 GB
      • 1 GB RAM
      Memory card support
      • microSD
      • up to 16 GB (dedicated slot)
      • microSD
      • up to 256 GB
      BatteryCapacity is not battery life. No endurance test is implied.
      • 1050 mAh
      • Removable Li-Ion
      • 1780 mAh
      • Removable Li-Ion
      Operating system OS
      • Symbian OS 9.2
      • Series 60 v3.1 UI
      • Microsoft Windows Phone 8.1
      Chipset Unknown
      • Qualcomm MSM8212 Snapdragon 200 (28 nm)
      Headphone jack
      • No
      • Yes
      Display
      Display
      SpecificationE51Billy 4.7
      Touchscreen Unknown
      • capacitive touchscreen
      Display colors
      • 16M
      • 16M
      Screen area
      • 12.4 cm2
      • 60.9 cm2
      Screen format
      • 4:3 (height:width)
      • 16:9 (height:width)
      Screen to body ratio
      • 23.5%
      • 66.7%
      PPI /points per inch/
      • 200 PPI
      • 312 PPI
      Screen protection Unknown
      • Asahi Dragontrail Glass
      Camera and Video
      Camera and Video
      SpecificationE51Billy 4.7
      Rear camera, main
      • 2 MP
      • Single
      • 8 MP
      • Single
      Camera specs
      • 2 MP
      • 8 MP
      • AF
      Functions Unknown
      • LED flash
      • panorama
      • HDR
      Video
      • 320p@15fps
      • 720p@30fps
      Front camera, selfie
      • 0 MP,
      • 2 MP
      • Single
      Specifications Unknown
      • 2 MP
      Performance
      Performance
      SpecificationE51Billy 4.7
      Processor CPU
      • 369 MHz ARM 11
      • Quad-core 1.2 GHz Cortex-A7
      Graphics processor GPU Unknown
      • Adreno 302
      General specs
      General specs
      SpecificationE51Billy 4.7
      Release date
      • 2007
      • September
      • 2014
      • May
      Colors
      • Black
      • Silver
      • White
      • Red
      • Blue
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 120 EUR
      		 Unknown
      Battery life
      • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
      • Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 7 h 30 min (3G)
      Communication and Connectivity
      Communication and Connectivity
      SpecificationE51Billy 4.7
      SIM card
      • Mini-SIM
      • Dual SIM (Micro-SIM)
      Network
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
      Speed
      • HSPA 3.6/0.384 Mbps
      • HSPA 42.2/5.76 Mbps
      GPRS
      • Class 32
      • Class 12
      Edge
      • Class 32
      • Class 12
      Wi-Fi
      • Wi-Fi 802.11b/g
      • VoIP over WLAN
      • Wi-Fi 802.11 a/b/g/n
      • dual-band
      • hotspot
      GPS
      • No
      • Yes
      • with A-GPS
      • GLONASS
      USB
      • miniUSB 2.0
      • microUSB 2.0
      Bluetooth
      • 2.0
      • A2DP
      • 4.0
      • A2DP
      Harmful irradiation
      • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
      		 Unknown
      Music and Audio
      Music and Audio
      SpecificationE51Billy 4.7
      Radio
      • FM radio
      • Stereo FM radio
      Others
      • Five-way scroll key -Downloadable themes
      • 2.5 mm audio jack
      		 Unknown
      Other features
      Other features
      SpecificationE51Billy 4.7
      Dop
      • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
      • Excel
      • PowerPoint
      • PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer
      • Sensors Accelerometer
      • proximity
      • compass - Single SIM: CWP 47 Dual SIM: WP 47

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