Sony Ericsson Vivaz vs Yezz Billy 4

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

    Vivaz: 12 g lighter

    Vivaz:
    97 g
    Billy 4:
    109 g
  • Width

    Vivaz: 12.7 mm narrower

    Vivaz:
    51.7 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Vivaz: 0.8 in smaller diagonal

    Vivaz:
    3.2 in
    Billy 4:
    4 in
  • Depth

    Billy 4: 2.6 mm thinner

    Vivaz:
    12.5 mm
    Billy 4:
    9.9 mm
  • Height

    Vivaz: 15.5 mm shorter

    Vivaz:
    107 mm
    Billy 4:
    122.5 mm
  • Release year

    Vivaz:
    2010
    Billy 4:
    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. Vivaz

    Height:
    107 mm
    Width:
    51.7 mm
    Depth:
    12.5 mm +2.6 mm versus Billy 4
  2. 2. Billy 4

    Height:
    122.5 mm +15.5 mm versus Vivaz
    Width:
    64.4 mm +12.7 mm versus Vivaz
    Depth:
    9.9 mm

Weight

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

  1. 1. Vivaz

    97 g

  2. 2. Billy 4

    109 g

    +12 g versus Vivaz

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. Vivaz

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    28.2 cm²
  2. 2. Billy 4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Billy 4 has approximately 61.3% more rectangular screen area than Vivaz.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Vivaz: Original memory entry

75 MB

Billy 4: Original memory entry

4 GB · 512 MB 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. Vivaz

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

2. Billy 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Vivaz

    1200 mAh

  2. 2. Billy 4

    1300 mAh

    +100 mAh versus Vivaz

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. Vivaz2. Billy 4

Everyday essentials
Everyday essentials — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
Dimensions (HxWxD)
  • 107 Х 51.7 Х 12.5 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 97 g
  • 109 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 4" inch
Screen resolution
  • 360 x 640 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 75 MB
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian Series 60
  • 5th edition
  • Microsoft Windows Phone 8.1
Chipset Unknown
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 28.2 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 51.0%
  • 57.7%
PPI /points per inch/
  • 229 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@24fps
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
Processor CPU
  • 720 MHz
  • PowerVR SGX GPU
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
General specs
General specs — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
Release date
  • 2010
  • January
  • 2014
  • June
Colors
  • Pink
  • Silver Moon
  • Cosmic Black
  • Galaxy Blue
  • Venus Ruby
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 430 h (2G) / Up to 440 h (3G) Talking time- Up to 13 h (2G) / Up to 5 h 20 min (3G)
  • Stand by time- Up to 350 h (2G) / Up to 300 h (3G) Talking time- Up to 7 h (2G) / Up to 4 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
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 10.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g
  • DLNA
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS; Wisepilot navigation
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 1.04 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
Radio
  • Stereo FM radio
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for Vivaz, Billy 4.
SpecificationVivazBilly 4
Dop
  • Sensors Accelerometer Facebook and Twitter apps -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -TrackID music recognition -TV out (VGA resolution) -Organizer -Document viewer -Gesture control -Voice memo -Predictive text input Also known as Sony Ericsson Kurara
  • Sensors Accelerometer
  • proximity