Samsung Galaxy A3 Duos 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.

  • Width

    Billy 4: 1.1 mm narrower

    Galaxy A3 Duos:
    65.5 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 0.5 in smaller diagonal

    Galaxy A3 Duos:
    4.5 in
    Billy 4:
    4 in
  • Chipset

    Galaxy A3 Duos:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Galaxy A3 Duos: 3 mm thinner

    Galaxy A3 Duos:
    6.9 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 7.6 mm shorter

    Galaxy A3 Duos:
    130.1 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. Galaxy A3 Duos

    Height:
    130.1 mm +7.6 mm versus Billy 4
    Width:
    65.5 mm +1.1 mm versus Billy 4
    Depth:
    6.9 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +3 mm versus Galaxy A3 Duos

Weight

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

  1. 1. Galaxy A3 Duos

    110.3 g

    +1.3 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. Galaxy A3 Duos

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

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

Galaxy A3 Duos has approximately 22.6% 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 Galaxy A3 Duos, Billy 4, compared at the same storage capacity.
StorageGalaxy A3 DuosBilly 4
16 GB 1 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. Galaxy A3 Duos

NFC:
See details Yes (LTE model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (uses SIM 2 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. Galaxy A3 Duos

    1900 mAh

    +600 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. Galaxy A3 Duos2. Billy 4

Everyday essentials
Everyday essentials — specifications for Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 4
Dimensions (HxWxD)
  • 130.1 Х 65.5 Х 6.9 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 110.3 g
  • 109 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 4.5" inch
  • 4" inch
Screen resolution
  • 540 x 960 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
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1900 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes (LTE model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 65.5%
  • 57.7%
PPI /points per inch/
  • 245 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 4
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • f/2.4
  • 31mm (standard)
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 23mm (wide)
  • 1.3 MP
Performance

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

Performance — specifications for Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 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 *
  • 20100
Unknown
General specs
General specs — specifications for Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 4
Release date
  • 2014
  • October
  • 2014
  • June
Colors
  • Pearl White
  • Midnight Black
  • Platinum Silver
  • Soft Pink
  • Light Blue
  • Champagne Gold
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 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 Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 4
SIM card
  • Hybrid 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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 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
  • 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
  • 4.0
  • A2DP
  • EDR
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.24 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 4
Radio
  • FM radio
  • recording
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Galaxy A3 Duos, Billy 4.
SpecificationGalaxy A3 DuosBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - ANT+ - Versions: A300F/DS
  • A300G/DS
  • A300H/DS (3G only
  • no LTE)
  • A300M/DS
  • Sensors Accelerometer
  • proximity