Yezz Billy 4.7 vs ZTE Zmax

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

    Billy 4.7: 69.9 g lighter

    Billy 4.7:
    120 g
    Zmax:
    189.9 g
  • Width

    Billy 4.7: 16.6 mm narrower

    Billy 4.7:
    67.2 mm
    Zmax:
    83.8 mm
  • Screen diagonal

    Billy 4.7: 1 in smaller diagonal

    Billy 4.7:
    4.7 in
    Zmax:
    5.7 in
  • Chipset

    Billy 4.7:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Zmax:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Depth

    Billy 4.7: 1.7 mm thinner

    Billy 4.7:
    7.2 mm
    Zmax:
    8.9 mm
  • Height

    Billy 4.7: 26.8 mm shorter

    Billy 4.7:
    135.8 mm
    Zmax:
    162.6 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. Billy 4.7

    Height:
    135.8 mm
    Width:
    67.2 mm
    Depth:
    7.2 mm
  2. 2. Zmax

    Height:
    162.6 mm +26.8 mm versus Billy 4.7
    Width:
    83.8 mm +16.6 mm versus Billy 4.7
    Depth:
    8.9 mm +1.7 mm versus Billy 4.7

Weight

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

  1. 1. Billy 4.7

    120 g

  2. 2. Zmax

    189.9 g

    +69.9 g versus Billy 4.7

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 4.7

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

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

Zmax has approximately 47.1% more rectangular screen area than Billy 4.7.

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 4.7, Zmax, compared at the same storage capacity.
StorageBilly 4.7Zmax
8 GB 1 GB RAM Not recorded
16 GB Not recorded 2 GB 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 4.7

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

2. Zmax

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

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 4.7

    1780 mAh

  2. 2. Zmax

    3400 mAh

    +1620 mAh versus Billy 4.7

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 4.72. Zmax

Everyday essentials
Everyday essentials — specifications for Billy 4.7, Zmax.
SpecificationBilly 4.7Zmax
Dimensions (HxWxD)
  • 135.8 Х 67.2 Х 7.2 mm
  • 162.6 Х 83.8 Х 8.9 mm
Weight
  • 120 g
  • 189.9 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 5.7" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1780 mAh
  • Removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Billy 4.7, Zmax.
SpecificationBilly 4.7Zmax
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 89.6 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.7%
  • 65.7%
PPI /points per inch/
  • 312 PPI
  • 258 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Billy 4.7, Zmax.
SpecificationBilly 4.7Zmax
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 2 MP
  • Single
  • 1.6 MP
  • Single
Specifications
  • 2 MP
  • 1.6 MP
Performance

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

Performance — specifications for Billy 4.7, Zmax.
SpecificationBilly 4.7Zmax
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 302
  • Adreno 305
Antutu 7 score * Unknown
  • 25303
General specs
General specs — specifications for Billy 4.7, Zmax.
SpecificationBilly 4.7Zmax
Release date
  • 2014
  • May
  • 2014
  • September
Colors
  • White
  • Red
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • 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)
  • Stand by time- Up to 360 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for Billy 4.7, Zmax.
SpecificationBilly 4.7Zmax
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 850 / 1700 / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 7(2600)
  • 12(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps or Cat3 100/50 Mbps
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 a/b/g/n
  • dual band
  • 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 4.7, Zmax.
SpecificationBilly 4.7Zmax
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Billy 4.7, Zmax.
SpecificationBilly 4.7Zmax
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47
  • Sensors Accelerometer
  • proximity
  • compass