LG X screen 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: 11 g lighter

    X screen:
    120 g
    Billy 4:
    109 g
  • Width

    Billy 4: 7.4 mm narrower

    X screen:
    71.8 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 0.93 in smaller diagonal

    X screen:
    4.93 in
    Billy 4:
    4 in
  • Chipset

    X screen:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    X screen: 2.8 mm thinner

    X screen:
    7.1 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 20.1 mm shorter

    X screen:
    142.6 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. X screen

    Height:
    142.6 mm +20.1 mm versus Billy 4
    Width:
    71.8 mm +7.4 mm versus Billy 4
    Depth:
    7.1 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +2.8 mm versus X screen

Weight

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

  1. 1. X screen

    120 g

    +11 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. X screen

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

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

X screen has approximately 47.1% 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 X screen, Billy 4, compared at the same storage capacity.
StorageX screenBilly 4
16 GB 2 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. X screen

NFC:
See details Yes (market dependent)
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. X screen

    2300 mAh

    +1000 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. X screen2. Billy 4

Everyday essentials
Everyday essentials — specifications for X screen, Billy 4.
SpecificationX screenBilly 4
Dimensions (HxWxD)
  • 142.6 Х 71.8 Х 7.1 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 120 g
  • 109 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.93" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 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.
  • 2300 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes (market dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X screen, Billy 4.
SpecificationX screenBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 67.0 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 65.4%
  • 57.7%
PPI /points per inch/
  • 298 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for X screen, Billy 4.
SpecificationX screenBilly 4
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.2
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • LED flash
Video
  • 1080p@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 X screen, Billy 4.
SpecificationX screenBilly 4
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 306
  • Adreno 302
Antutu 7 score *
  • 17853
Unknown
General specs
General specs — specifications for X screen, Billy 4.
SpecificationX screenBilly 4
Release date
  • 2016
  • February
  • 2014
  • June
Colors
  • Black
  • White
  • Pink Gold
  • 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
  • Stand by time- Up to 120 h (2G) / Up to 120 h (3G) Talking time- Up to 9 h (2G) / Up to 14 h (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 X screen, Billy 4.
SpecificationX screenBilly 4
SIM card
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 - K500N -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - K500N LTE band 3(1800)
  • 20(800)
  • 38(2600) - K500DS
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.55 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for X screen, Billy 4.
SpecificationX screenBilly 4
Radio
  • FM radio
  • Stereo FM radio
Others
  • Secondary display
  • 80 x 520 pixels
  • 1.76 inches
Unknown
Other features
Other features — specifications for X screen, Billy 4.
SpecificationX screenBilly 4
Dop
  • Sensors Accelerometer
  • proximity - Versions: K500N (Europe); LG X view K500DS (Russia)
  • Sensors Accelerometer
  • proximity