alcatel One Touch Star 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: 10.5 g lighter

    One Touch Star:
    119.5 g
    Billy 4:
    109 g
  • Width

    One Touch Star: 3.6 mm narrower

    One Touch Star:
    60.8 mm
    Billy 4:
    64.4 mm
  • Chipset

    One Touch Star:
    Mediatek MT6577 (40 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Height

    One Touch Star: 4.6 mm shorter

    One Touch Star:
    117.9 mm
    Billy 4:
    122.5 mm
  • Release year

    One Touch Star:
    2013
    Billy 4:
    2014

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. One Touch Star

    Height:
    117.9 mm
    Width:
    60.8 mm
    Depth:
    9.7 mm
  2. 2. Billy 4

    Height:
    122.5 mm +4.6 mm versus One Touch Star
    Width:
    64.4 mm +3.6 mm versus One Touch Star
    Depth:
    9.9 mm

Weight

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

  1. 1. One Touch Star

    119.5 g

    +10.5 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. One Touch Star

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

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

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.

One Touch Star: Original memory entry

4 GB (2.4 GB user available) · 512 MB 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. One Touch Star

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. One Touch Star

    1500 mAh

    +200 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. One Touch Star2. Billy 4

Everyday essentials
Everyday essentials — specifications for One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
Dimensions (HxWxD)
  • 117.9 Х 60.8 Х 9.7 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 119.5 g
  • 109 g
Technology
  • AMOLED
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB (2.4 GB user available)
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6577 (40 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 63.5%
  • 57.7%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance

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

Performance — specifications for One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 302
Antutu 7 score *
  • 8142
Unknown
General specs
General specs — specifications for One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
Release date
  • 2013
  • February
  • 2014
  • June
Colors
  • Black
  • White
  • Pink
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h (2G) / Up to 280 h (3G) Talking time- Up to 4 h 30 min (2G) / Up to 3 h 30 min (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 One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - 6010 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - 6010D
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 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
  • DLNA
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
Radio
  • FM radio
  • RDS
  • Stereo FM radio
Other features
Other features — specifications for One Touch Star, Billy 4.
SpecificationOne Touch StarBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Available as Alcatel One Touch Star D 6010D with dual-SIM card slots
  • Sensors Accelerometer
  • proximity