Yezz Billy 4 vs ZTE Boost MAX+

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: 85.8 g lighter

    Billy 4:
    109 g
    Boost MAX+:
    194.8 g
  • Width

    Billy 4: 18.2 mm narrower

    Billy 4:
    64.4 mm
    Boost MAX+:
    82.6 mm
  • Screen diagonal

    Billy 4: 1.7 in smaller diagonal

    Billy 4:
    4 in
    Boost MAX+:
    5.7 in
  • Height

    Billy 4: 42.6 mm shorter

    Billy 4:
    122.5 mm
    Boost MAX+:
    165.1 mm
  • Release year

    Billy 4:
    2014
    Boost MAX+:
    2015

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. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm
  2. 2. Boost MAX+

    Height:
    165.1 mm +42.6 mm versus Billy 4
    Width:
    82.6 mm +18.2 mm versus Billy 4
    Depth:
    10.2 mm

Weight

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

  1. 1. Billy 4

    109 g

  2. 2. Boost MAX+

    194.8 g

    +85.8 g versus Billy 4

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. Billy 4

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

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

Boost MAX+ has approximately 96.7% 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 Billy 4, Boost MAX+, compared at the same storage capacity.
StorageBilly 4Boost MAX+
16 GB Unknown 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. Billy 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. Boost MAX+

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

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. Billy 4

    1300 mAh

  2. 2. Boost MAX+

    3400 mAh

    +2100 mAh versus Billy 4

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. Billy 42. Boost MAX+

Everyday essentials
Everyday essentials — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
Dimensions (HxWxD)
  • 122.5 Х 64.4 Х 9.9 mm
  • 165.1 Х 82.6 Х 10.2 mm
Weight
  • 109 g
  • 194.8 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.7" 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
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 5.1 (Lollipop)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 89.6 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.7%
  • 65.7%
PPI /points per inch/
  • 233 PPI
  • 258 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 1.3 MP
  • Single
  • 1 MP
  • Single
Specifications
  • 1.3 MP
  • 1 MP
Performance
Performance — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Adreno 302
Unknown
General specs
General specs — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
Release date
  • 2014
  • June
  • 2015
  • July
Colors
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 180 EUR
Battery life
  • 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)
  • Talking time- Up to 16 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
SIM card
  • Dual SIM (Micro-SIM)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
Radio
  • Stereo FM radio
  • No
Others Unknown
  • Dolby Digital Plus audio enhancement audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Billy 4, Boost MAX+.
SpecificationBilly 4Boost MAX+
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Yes