Panasonic Eluga I7 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

    Eluga I7:
    168 g
    Billy 4:
    109 g
  • Width

    Billy 4: 6.5 mm narrower

    Eluga I7:
    70.9 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 1.45 in smaller diagonal

    Eluga I7:
    5.45 in
    Billy 4:
    4 in
  • Chipset

    Eluga I7:
    Mediatek MT6737H
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Eluga I7: 0.6 mm thinner

    Eluga I7:
    9.3 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 26.3 mm shorter

    Eluga I7:
    148.8 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. Eluga I7

    Height:
    148.8 mm +26.3 mm versus Billy 4
    Width:
    70.9 mm +6.5 mm versus Billy 4
    Depth:
    9.3 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +0.6 mm versus Eluga I7

Weight

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

  1. 1. Eluga I7

    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. Eluga I7

    Screen diagonal:
    5.45 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    76.7 cm²
  2. 2. Billy 4

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

Eluga I7 has approximately 68.3% 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 Eluga I7, Billy 4, compared at the same storage capacity.
StorageEluga I7Billy 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. Eluga I7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. Eluga I7

    4000 mAh

    +2700 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. Eluga I72. Billy 4

Everyday essentials
Everyday essentials — specifications for Eluga I7, Billy 4.
SpecificationEluga I7Billy 4
Dimensions (HxWxD)
  • 148.8 Х 70.9 Х 9.3 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 168 g
  • 109 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.45" inch
  • 4" inch
Screen resolution
  • 720 x 1440 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 64 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6737H
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Eluga I7, Billy 4.
SpecificationEluga I7Billy 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 76.7 cm2
  • 45.5 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 72.7%
  • 57.7%
PPI /points per inch/
  • 295 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Eluga I7, Billy 4.
SpecificationEluga I7Billy 4
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • f/2.0
  • 1.12 μm
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 480p
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.12 µm
  • 1.3 MP
Performance

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

Performance — specifications for Eluga I7, Billy 4.
SpecificationEluga I7Billy 4
Processor CPU
  • Quad-core 1.25 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 302
Antutu 7 score *
  • 40123
Unknown
GeekBench 4 Single Core *
  • 621
Unknown
GeekBench 4 Multi-Core *
  • 1816
Unknown
General specs
General specs — specifications for Eluga I7, Billy 4.
SpecificationEluga I7Billy 4
Release date
  • 2018
  • April
  • 2014
  • June
Colors
  • Black
  • Gold
  • Blue
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 6500 INR
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)
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Eluga I7, Billy 4.
SpecificationEluga I7Billy 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 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 42.2/11.5 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
  • 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 Eluga I7, Billy 4.
SpecificationEluga I7Billy 4
Radio
  • FM radio with RDS
  • Stereo FM radio
Other features
Other features — specifications for Eluga I7, Billy 4.
SpecificationEluga I7Billy 4
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - For India
  • Sensors Accelerometer
  • proximity