QMobile Noir X80 vs Yezz Billy 4.7

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.

  • Width

    Noir X80: 3.4 mm narrower

    Noir X80:
    63.8 mm
    Billy 4.7:
    67.2 mm
  • Screen diagonal

    Noir X80: 0.7 in smaller diagonal

    Noir X80:
    4 in
    Billy 4.7:
    4.7 in
  • Chipset

    Noir X80:
    Mediatek MT6572 (28 nm)
    Billy 4.7:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Billy 4.7: 2.7 mm thinner

    Noir X80:
    9.9 mm
    Billy 4.7:
    7.2 mm
  • Height

    Noir X80: 11.7 mm shorter

    Noir X80:
    124.1 mm
    Billy 4.7:
    135.8 mm
  • Release year

    Noir X80:
    2015
    Billy 4.7:
    2014

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. Noir X80

    Height:
    124.1 mm
    Width:
    63.8 mm
    Depth:
    9.9 mm +2.7 mm versus Billy 4.7
    Weight:
    Unknown
  2. 2. Billy 4.7

    Height:
    135.8 mm +11.7 mm versus Noir X80
    Width:
    67.2 mm +3.4 mm versus Noir X80
    Depth:
    7.2 mm
    Weight:
    120 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. Noir X80

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Billy 4.7

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

Billy 4.7 has approximately 33.7% more rectangular screen area than Noir X80.

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 Noir X80, Billy 4.7, compared at the same storage capacity.
StorageNoir X80Billy 4.7
8 GB Unknown 1 GB RAM
Noir X80: 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. Noir X80

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Billy 4.7

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. Noir X80

    1500 mAh

  2. 2. Billy 4.7

    1780 mAh

    +280 mAh versus Noir X80

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. Noir X802. Billy 4.7

Everyday essentials
Everyday essentials — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
Dimensions (HxWxD)
  • 124.1 Х 63.8 Х 9.9 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 0 g
  • 120 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 4.7" 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 1780 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6572 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.5%
  • 66.7%
PPI /points per inch/
  • 233 PPI
  • 312 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance
Performance — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Adreno 302
General specs
General specs — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
Release date
  • 2015
  • January
  • 2014
  • May
Colors
  • Black
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life Unknown
  • 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)
Communication and Connectivity
Communication and Connectivity — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
SIM card
  • Dual SIM
  • Dual 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 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Noir X80, Billy 4.7.
SpecificationNoir X80Billy 4.7
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47