Yezz Billy 4 vs ZTE Axon mini

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: 31 g lighter

    Billy 4:
    109 g
    Axon mini:
    140 g
  • Width

    Billy 4: 5.6 mm narrower

    Billy 4:
    64.4 mm
    Axon mini:
    70 mm
  • Screen diagonal

    Billy 4: 1.2 in smaller diagonal

    Billy 4:
    4 in
    Axon mini:
    5.2 in
  • Chipset

    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Axon mini:
    Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
  • Depth

    Axon mini: 2 mm thinner

    Billy 4:
    9.9 mm
    Axon mini:
    7.9 mm
  • Height

    Billy 4: 21 mm shorter

    Billy 4:
    122.5 mm
    Axon mini:
    143.5 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. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +2 mm versus Axon mini
  2. 2. Axon mini

    Height:
    143.5 mm +21 mm versus Billy 4
    Width:
    70 mm +5.6 mm versus Billy 4
    Depth:
    7.9 mm

Weight

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

  1. 1. Billy 4

    109 g

  2. 2. Axon mini

    140 g

    +31 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. Axon mini

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

Axon mini has approximately 63.7% 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, Axon mini, compared at the same storage capacity.
StorageBilly 4Axon mini
32 GB Unknown 3 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. Axon mini

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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

    1300 mAh

  2. 2. Axon mini

    2800 mAh

    +1500 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. Axon mini

Everyday essentials
Everyday essentials — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
Dimensions (HxWxD)
  • 122.5 Х 64.4 Х 9.9 mm
  • 143.5 Х 70 Х 7.9 mm
Weight
  • 109 g
  • 140 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 4" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 2800 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 5.1.1 (Lollipop)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.7%
  • 74.2%
PPI /points per inch/
  • 233 PPI
  • 424 PPI
Camera and Video
Camera and Video — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • PDAF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.3 MP
  • 8 MP
Performance

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

Performance — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 302
  • Adreno 405
Antutu 7 score * Unknown
  • 36250
GeekBench 4 Single Core * Unknown
  • 644
GeekBench 4 Multi-Core * Unknown
  • 2003
GeekBench 4 RenderScript * Unknown
  • 2062
General specs
General specs — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
Release date
  • 2014
  • June
  • 2015
  • October
Colors
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
  • Gold
  • Chromium Silver
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 300 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)
  • Stand by time- Up to 450 h Talking time- Up to 20 h
Communication and Connectivity
Communication and Connectivity — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
SIM card
  • Dual SIM (Micro-SIM)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 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 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
Radio
  • Stereo FM radio
  • No
Others Unknown
  • 3D Touch display (only ZTE Axon mini Premium) -MiFavor 3.2
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Billy 4, Axon mini.
SpecificationBilly 4Axon mini
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass