Yezz Billy 4 vs ZTE Axon

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: 60.8 g lighter

    Billy 4:
    109 g
    Axon:
    169.8 g
  • Width

    Billy 4: 9.3 mm narrower

    Billy 4:
    64.4 mm
    Axon:
    73.7 mm
  • Screen diagonal

    Billy 4: 1.5 in smaller diagonal

    Billy 4:
    4 in
    Axon:
    5.5 in
  • Chipset

    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Axon:
    Qualcomm MSM8974 Snapdragon 801 (28 nm)
  • Rear camera layout

    Billy 4:
    Single
    Axon:
    Dual
  • Depth

    Axon: 0.5 mm thinner

    Billy 4:
    9.9 mm
    Axon:
    9.4 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 +0.5 mm versus Axon
  2. 2. Axon

    Height:
    153.9 mm +31.4 mm versus Billy 4
    Width:
    73.7 mm +9.3 mm versus Billy 4
    Depth:
    9.4 mm

Weight

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

  1. 1. Billy 4

    109 g

  2. 2. Axon

    169.8 g

    +60.8 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. Axon

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

Axon has approximately 83.1% 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, compared at the same storage capacity.
StorageBilly 4Axon
32 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. Axon

NFC:
Yes
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. Axon

    3000 mAh

    +1700 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

Everyday essentials
Everyday essentials — specifications for Billy 4, Axon.
SpecificationBilly 4Axon
Dimensions (HxWxD)
  • 122.5 Х 64.4 Х 9.9 mm
  • 153.9 Х 73.7 Х 9.4 mm
Weight
  • 109 g
  • 169.8 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" 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
  • 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
  • 3000 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 MSM8974 Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Billy 4, Axon.
SpecificationBilly 4Axon
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.7%
  • 73.5%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Billy 4, Axon.
SpecificationBilly 4Axon
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • AF -2 MP
  • depth sensor
Functions
  • LED flash
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
  • 720p@120fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.3 MP
  • 8 MP
Performance
Performance — specifications for Billy 4, Axon.
SpecificationBilly 4Axon
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 2.3 GHz Krait 400
Graphics processor GPU
  • Adreno 302
  • Adreno 330
General specs
General specs — specifications for Billy 4, Axon.
SpecificationBilly 4Axon
Release date
  • 2014
  • June
  • 2015
  • October
Colors
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
  • Ion Gold
  • Chromium Silver
  • Phthalo Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 290 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 300 h (3G) Talking time- Up to 25 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Billy 4, Axon.
SpecificationBilly 4Axon
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(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 29(700)
  • 30(2300)
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/ac
  • dual-band
  • WiFi Direct
  • 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, Axon.
SpecificationBilly 4Axon
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Billy 4, Axon.
SpecificationBilly 4Axon
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 1.0)