Allview P7 Xtreme vs Yezz Billy 4

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: 34.1 g lighter

    P7 Xtreme:
    143.1 g
    Billy 4:
    109 g
  • Width

    Billy 4: 1.9 mm narrower

    P7 Xtreme:
    66.3 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 0.7 in smaller diagonal

    P7 Xtreme:
    4.7 in
    Billy 4:
    4 in
  • Chipset

    P7 Xtreme:
    Mediatek MT6592 (28 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    P7 Xtreme: 1.4 mm thinner

    P7 Xtreme:
    8.5 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 17.2 mm shorter

    P7 Xtreme:
    139.7 mm
    Billy 4:
    122.5 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. P7 Xtreme

    Height:
    139.7 mm +17.2 mm versus Billy 4
    Width:
    66.3 mm +1.9 mm versus Billy 4
    Depth:
    8.5 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +1.4 mm versus P7 Xtreme

Weight

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

  1. 1. P7 Xtreme

    143.1 g

    +34.1 g versus Billy 4

  2. 2. Billy 4

    109 g

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. P7 Xtreme

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Billy 4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

P7 Xtreme has approximately 33.7% 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 P7 Xtreme, Billy 4, compared at the same storage capacity.
StorageP7 XtremeBilly 4
16 GB 1 GB RAM Unknown
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. P7 Xtreme

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details panorama

2. Billy 4

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. P7 Xtreme

    2200 mAh

    +900 mAh versus Billy 4

  2. 2. Billy 4

    1300 mAh

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. P7 Xtreme2. Billy 4

Everyday essentials
Everyday essentials — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
Dimensions (HxWxD)
  • 139.7 Х 66.3 Х 8.5 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 143.1 g
  • 109 g
Technology
  • IGZO IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • panorama
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6592 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 137.6 Х 65.7 Х 9.8 mm
  • 57.7%
PPI /points per inch/
  • 312 PPI
  • 233 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications
  • Super AMOLED
  • 1.3 MP
Performance

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

Performance — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
Processor CPU
  • Octa-core 1.7 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-450MP4
  • Adreno 302
Antutu 7 score *
  • 29347
Unknown
General specs
General specs — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
Release date
  • 2014
  • April
  • 2014
  • June
Colors
  • Black
  • White
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
Unknown
Battery life
  • Stand by time- Up to 244 h Talking time- Up to 8 h 40 min
  • 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)
Communication and Connectivity
Communication and Connectivity — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 12
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
Radio
  • FM radio
  • Stereo FM radio
Others
  • DTS sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for P7 Xtreme, Billy 4.
SpecificationP7 XtremeBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity