Yezz Billy 4.7 vs ZTE Obsidian

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 4.7: 17.5 g lighter

    Billy 4.7:
    120 g
    Obsidian:
    137.5 g
  • Width

    Billy 4.7: 1.4 mm narrower

    Billy 4.7:
    67.2 mm
    Obsidian:
    68.6 mm
  • Screen diagonal

    Obsidian: 0.2 in smaller diagonal

    Billy 4.7:
    4.7 in
    Obsidian:
    4.5 in
  • Chipset

    Billy 4.7:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Obsidian:
    Mediatek MT6735M (28 nm)
  • Depth

    Billy 4.7: 3 mm thinner

    Billy 4.7:
    7.2 mm
    Obsidian:
    10.2 mm
  • Release year

    Billy 4.7:
    2014
    Obsidian:
    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 4.7

    Height:
    135.8 mm
    Width:
    67.2 mm
    Depth:
    7.2 mm
  2. 2. Obsidian

    Height:
    137.4 mm
    Width:
    68.6 mm +1.4 mm versus Billy 4.7
    Depth:
    10.2 mm +3 mm versus Billy 4.7

Weight

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

  1. 1. Billy 4.7

    120 g

  2. 2. Obsidian

    137.5 g

    +17.5 g versus Billy 4.7

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 4.7

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

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

Billy 4.7 has approximately 9.1% more rectangular screen area than Obsidian.

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 4.7, Obsidian, compared at the same storage capacity.
StorageBilly 4.7Obsidian
4 GB Not recorded 1 GB RAM
8 GB 1 GB RAM Not recorded

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 4.7

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

2. Obsidian

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 4.7

    1780 mAh

  2. 2. Obsidian

    1800 mAh

    +20 mAh versus Billy 4.7

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 4.72. Obsidian

Everyday essentials
Everyday essentials — specifications for Billy 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
Dimensions (HxWxD)
  • 135.8 Х 67.2 Х 7.2 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 120 g
  • 137.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 4 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.
  • 1780 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 5.1 (Lollipop)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Mediatek MT6735M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Billy 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.7%
  • 59.2%
PPI /points per inch/
  • 312 PPI
  • 218 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Billy 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
Performance
Performance — specifications for Billy 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 302
  • Mali-T720MP2
General specs
General specs — specifications for Billy 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
Release date
  • 2014
  • May
  • 2015
  • August
Colors
  • White
  • Red
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life
  • Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 7 h 30 min (3G)
  • Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Billy 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
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 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • 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
  • 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 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Billy 4.7, Obsidian.
SpecificationBilly 4.7Obsidian
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47
  • Sensors Accelerometer