LG Optimus G E975 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

    Billy 4: 36 g lighter

    Optimus G E975:
    145 g
    Billy 4:
    109 g
  • Width

    Billy 4: 4.5 mm narrower

    Optimus G E975:
    68.9 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 0.7 in smaller diagonal

    Optimus G E975:
    4.7 in
    Billy 4:
    4 in
  • Chipset

    Optimus G E975:
    Qualcomm APQ8064 Snapdragon S4 Pro
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Optimus G E975: 1.4 mm thinner

    Optimus G E975:
    8.5 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 9.4 mm shorter

    Optimus G E975:
    131.9 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. Optimus G E975

    Height:
    131.9 mm +9.4 mm versus Billy 4
    Width:
    68.9 mm +4.5 mm versus Billy 4
    Depth:
    8.5 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +1.4 mm versus Optimus G E975

Weight

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

  1. 1. Optimus G E975

    145 g

    +36 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. Optimus G E975

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    62.9 cm²
  2. 2. Billy 4

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

Optimus G E975 has approximately 38.1% 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.

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

Optimus G E975: Original memory entry

32 GB (25 GB user available) · 2 GB RAM

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. Optimus G E975

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. Optimus G E975

    2100 mAh

    +800 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. Optimus G E9752. Billy 4

Everyday essentials
Everyday essentials — specifications for Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
Dimensions (HxWxD)
  • 131.9 Х 68.9 Х 8.5 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 145 g
  • 109 g
Technology
  • True HD-IPS + LCD
  • TFT
Screen size
  • 4.7" inch
  • 4" inch
Screen resolution
  • 768 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.
  • 32 GB (25 GB user available)
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • upgradаble to 4.4.2 (KitKat)
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm APQ8064 Snapdragon S4 Pro
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 62.9 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 69.2%
  • 57.7%
PPI /points per inch/
  • 318 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 2
Unknown
Camera and Video
Camera and Video — specifications for Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP/8 MP
  • market dependent
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 1.3 MP
  • 1.3 MP
Performance

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

Performance — specifications for Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
Processor CPU
  • Quad-core 1.5 GHz Krait
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 320
  • Adreno 302
Antutu 7 score *
  • 17653
Unknown
General specs
General specs — specifications for Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
Release date
  • 2012
  • August
  • 2014
  • June
Colors
  • Black
  • White
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life
  • Stand by time- Up to 456 h (2G) / Up to 411 h (3G) Talking time- Up to 15 h (2G) / Up to 13 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 Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
SIM card
  • Micro-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - E975
  • E973
  • E971 -3G - HSDPA 900 / 2100 - E975 HSDPA 850 / 1900 / 2100 - E973
  • E971 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - E975 (market dependent) LTE band 4(1700/2100)
  • 17(700) - E973 LTE band 7(2600)
  • 17(700) - E971
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 12
  • Class 12
Edge
  • Class 12
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • 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 (MHL TV-out)
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.58 W/kg (head) 1.08 W/kg (body) SAR EU - 0.43 W/kg (head) 0.40 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
Others
  • Dolby Mobile -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Optimus G E975, Billy 4.
SpecificationOptimus G E975Billy 4
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -Photo viewer/editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - Also known as LG Optimus G E973
  • LG Optimus G E971
  • LG-F180
  • Sensors Accelerometer
  • proximity