Celkon A403 vs Yezz Billy 4.7

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

    A403: 7 g lighter

    A403:
    113 g
    Billy 4.7:
    120 g
  • Width

    A403: 2.2 mm narrower

    A403:
    65 mm
    Billy 4.7:
    67.2 mm
  • Screen diagonal

    A403: 0.7 in smaller diagonal

    A403:
    4 in
    Billy 4.7:
    4.7 in
  • Chipset

    A403:
    Spreadtrum SC7715
    Billy 4.7:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Billy 4.7: 3 mm thinner

    A403:
    10.2 mm
    Billy 4.7:
    7.2 mm
  • Height

    A403: 10.8 mm shorter

    A403:
    125 mm
    Billy 4.7:
    135.8 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. A403

    Height:
    125 mm
    Width:
    65 mm
    Depth:
    10.2 mm +3 mm versus Billy 4.7
  2. 2. Billy 4.7

    Height:
    135.8 mm +10.8 mm versus A403
    Width:
    67.2 mm +2.2 mm versus A403
    Depth:
    7.2 mm

Weight

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

  1. 1. A403

    113 g

  2. 2. Billy 4.7

    120 g

    +7 g versus A403

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. A403

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

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²

Billy 4.7 has approximately 33.7% more rectangular screen area than A403.

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 A403, Billy 4.7, compared at the same storage capacity.
StorageA403Billy 4.7
8 GB Unknown 1 GB RAM
A403: 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. A403

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Billy 4.7

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. A403

    1400 mAh

  2. 2. Billy 4.7

    1780 mAh

    +380 mAh versus A403

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. A4032. Billy 4.7

Everyday essentials
Everyday essentials — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 113 g
  • 120 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1780 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Phone 8.1
Chipset
  • Spreadtrum SC7715
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 66.7%
PPI /points per inch/
  • 233 PPI
  • 312 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
Performance
Performance — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
Processor CPU
  • 1.0 GHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
General specs
General specs — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
Release date
  • 2015
  • August
  • 2014
  • May
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • White
  • Red
  • Blue
Battery life Unknown
  • Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 7 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
SIM card
  • Dual SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • 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 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for A403, Billy 4.7.
SpecificationA403Billy 4.7
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47