Yezz Billy 4 vs ZTE Imperial II

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: 34.7 g lighter

    Billy 4:
    109 g
    Imperial II:
    143.7 g
  • Width

    Billy 4: 6.7 mm narrower

    Billy 4:
    64.4 mm
    Imperial II:
    71.1 mm
  • Screen diagonal

    Billy 4: 1 in smaller diagonal

    Billy 4:
    4 in
    Imperial II:
    5 in
  • Chipset

    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Imperial II:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Height

    Billy 4: 19.7 mm shorter

    Billy 4:
    122.5 mm
    Imperial II:
    142.2 mm
  • Release year

    Billy 4:
    2014
    Imperial II:
    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. Imperial II

    Height:
    142.2 mm +19.7 mm versus Billy 4
    Width:
    71.1 mm +6.7 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. Imperial II

    143.7 g

    +34.7 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. Imperial II

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

Imperial II has approximately 51.3% 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, Imperial II, compared at the same storage capacity.
StorageBilly 4Imperial II
8 GB Unknown 1 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. Imperial II

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

    1300 mAh

  2. 2. Imperial II

    2300 mAh

    +1000 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. Imperial II

Everyday essentials
Everyday essentials — specifications for Billy 4, Imperial II.
SpecificationBilly 4Imperial II
Dimensions (HxWxD)
  • 122.5 Х 64.4 Х 9.9 mm
  • 142.2 Х 71.1 Х 10.2 mm
Weight
  • 109 g
  • 143.7 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 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.
  • 1300 mAh
  • Removable Li-Ion
  • 2300 mAh
  • 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, Imperial II.
SpecificationBilly 4Imperial II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.7%
  • 68.2%
PPI /points per inch/
  • 233 PPI
  • 220 PPI
Camera and Video
Camera and Video — specifications for Billy 4, Imperial II.
SpecificationBilly 4Imperial II
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 1 MP
  • Single
Specifications
  • 1.3 MP
  • 1 MP
Performance
Performance — specifications for Billy 4, Imperial II.
SpecificationBilly 4Imperial II
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 302
  • Adreno 305
General specs
General specs — specifications for Billy 4, Imperial II.
SpecificationBilly 4Imperial II
Release date
  • 2014
  • June
  • 2015
  • January
Colors
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
  • White
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 296 h (3G) Talking time- Up to 15 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Billy 4, Imperial II.
SpecificationBilly 4Imperial II
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 band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
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, Imperial II.
SpecificationBilly 4Imperial II
Radio
  • Stereo FM radio
Unknown
Other features
Other features — specifications for Billy 4, Imperial II.
SpecificationBilly 4Imperial II
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity - For U.S. Cellular