Yezz Billy 4 vs ZTE Blade A3

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: 55 g lighter

    Billy 4:
    109 g
    Blade A3:
    164 g
  • Width

    Billy 4: 11.4 mm narrower

    Billy 4:
    64.4 mm
    Blade A3:
    75.8 mm
  • Screen diagonal

    Billy 4: 1.5 in smaller diagonal

    Billy 4:
    4 in
    Blade A3:
    5.5 in
  • Chipset

    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Blade A3:
    Mediatek MT6737T (28 nm)
  • Depth

    Blade A3: 1.7 mm thinner

    Billy 4:
    9.9 mm
    Blade A3:
    8.2 mm
  • Height

    Billy 4: 29.9 mm shorter

    Billy 4:
    122.5 mm
    Blade A3:
    152.4 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 +1.7 mm versus Blade A3
  2. 2. Blade A3

    Height:
    152.4 mm +29.9 mm versus Billy 4
    Width:
    75.8 mm +11.4 mm versus Billy 4
    Depth:
    8.2 mm

Weight

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

  1. 1. Billy 4

    109 g

  2. 2. Blade A3

    164 g

    +55 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. Blade A3

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

Blade A3 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, Blade A3, compared at the same storage capacity.
StorageBilly 4Blade A3
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. Blade A3

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. Billy 4

    1300 mAh

  2. 2. Blade A3

    4000 mAh

    +2700 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. Blade A3

Everyday essentials
Everyday essentials — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
Dimensions (HxWxD)
  • 122.5 Х 64.4 Х 9.9 mm
  • 152.4 Х 75.8 Х 8.2 mm
Weight
  • 109 g
  • 164 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" 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
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 7.1 (Nougat)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Mediatek MT6737T (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
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%
  • 72.2%
PPI /points per inch/
  • 233 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Dual
Specifications
  • 1.3 MP
  • 5 MP 2 MP
  • depth sensor
Performance
Performance — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.5 GHz Cortex-A53
Graphics processor GPU
  • Adreno 302
  • Mali-T720MP2
General specs
General specs — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
Release date
  • 2014
  • June
  • 2017
  • November
Colors
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 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)
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
SIM card
  • Dual SIM (Micro-SIM)
  • 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 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Billy 4, Blade A3.
SpecificationBilly 4Blade A3
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity