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Sharp Aquos Xx vs Yezz Billy 4

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Billy 4: 59 g lighter

    Aquos Xx:
    168 g
    Billy 4:
    109 g
  • Width

    Billy 4: 14.6 mm narrower

    Aquos Xx:
    79 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 1.7 in smaller diagonal

    Aquos Xx:
    5.7 in
    Billy 4:
    4 in
  • Chipset

    Aquos Xx:
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Aquos Xx: 1.2 mm thinner

    Aquos Xx:
    8.7 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 23.5 mm shorter

    Aquos Xx:
    146 mm
    Billy 4:
    122.5 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.

  1. 1. Aquos Xx

    Height:
    146 mm +23.5 mm versus Billy 4
    Width:
    79 mm +14.6 mm versus Billy 4
    Depth:
    8.7 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +1.2 mm versus Aquos Xx

Weight

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

  1. 1. Aquos Xx

    168 g

    +59 g versus Billy 4

  2. 2. Billy 4

    109 g

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. Aquos Xx

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

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

Aquos Xx has approximately 96.7% more rectangular screen area than Billy 4.

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 for Aquos Xx, Billy 4, compared at the same storage capacity.
StorageAquos XxBilly 4
32 GB 3 GB RAM Unknown
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. Aquos Xx

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. Aquos Xx

    3000 mAh

    +1700 mAh versus Billy 4

  2. 2. Billy 4

    1300 mAh

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. Aquos Xx2. Billy 4

Everyday essentials
Everyday essentials — specifications for Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
Dimensions (HxWxD)
  • 146 Х 79 Х 8.7 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 168 g
  • 109 g
Technology
  • S-PureLED
  • TFT
Screen size
  • 5.7" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 89.6 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 77.7%
  • 57.7%
PPI /points per inch/
  • 386 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2.1 MP
  • 1.3 MP
Performance
Performance — specifications for Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 430
  • Adreno 302
General specs
General specs — specifications for Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
Release date
  • 2015
  • May
  • 2014
  • June
Colors
  • Black
  • White
  • Red
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 340 EUR
Unknown
Battery life
  • Stand by time- Up to 410 h (2G) / Up to 450 h (3G) Talking time- Up to 11 h 30 min (2G) / Up to 22 h 30 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 Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
SIM card
  • Nano-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 -3G - HSDPA 900 / 2100 -4G - LTE 900 / 1700 / 2100 / 2500
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
Radio
  • No
  • Stereo FM radio
Others
  • Direct Wave Receiver -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Aquos Xx, Billy 4.
SpecificationAquos XxBilly 4
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Splash resistant
  • Sensors Accelerometer
  • proximity