LG W10 Alpha 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: 61 g lighter

    W10 Alpha:
    170 g
    Billy 4:
    109 g
  • Width

    Billy 4: 6.6 mm narrower

    W10 Alpha:
    71 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 1.71 in smaller diagonal

    W10 Alpha:
    5.71 in
    Billy 4:
    4 in
  • Chipset

    W10 Alpha:
    Unisoc SC9863A (28nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    W10 Alpha: 1 mm thinner

    W10 Alpha:
    8.9 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 24.8 mm shorter

    W10 Alpha:
    147.3 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. W10 Alpha

    Height:
    147.3 mm +24.8 mm versus Billy 4
    Width:
    71 mm +6.6 mm versus Billy 4
    Depth:
    8.9 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +1 mm versus W10 Alpha

Weight

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

  1. 1. W10 Alpha

    170 g

    +61 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. W10 Alpha

    Screen diagonal:
    5.71 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    81.4 cm²
  2. 2. Billy 4

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

W10 Alpha has approximately 78.7% 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 W10 Alpha, Billy 4, compared at the same storage capacity.
StorageW10 AlphaBilly 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. W10 Alpha

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. W10 Alpha

    3450 mAh

    +2150 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. W10 Alpha2. Billy 4

Everyday essentials
Everyday essentials — specifications for W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
Dimensions (HxWxD)
  • 147.3 Х 71 Х 8.9 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 170 g
  • 109 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.71" inch
  • 4" inch
Screen resolution
  • 720 x 1512 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3450 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Phone 8.1
Chipset
  • Unisoc SC9863A (28nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 81.7 cm2
  • 45.5 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 78.1%
  • 57.7%
PPI /points per inch/
  • 293 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • 1.3 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • IMG8322
  • Adreno 302
Antutu 8 score *
  • 110298
Unknown
General specs
General specs — specifications for W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
Release date
  • 2020
  • February 19
  • 2014
  • June
Colors
  • Black
  • Blue
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
Unknown
Battery life Unknown
  • 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 W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(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) Cat13 600/150 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • 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
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for W10 Alpha, Billy 4.
SpecificationW10 AlphaBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity