O2 XDA Stealth 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.

  • Weight

    Billy 4.7: 20 g lighter

    XDA Stealth:
    140 g
    Billy 4.7:
    120 g
  • Width

    XDA Stealth: 14.2 mm narrower

    XDA Stealth:
    53 mm
    Billy 4.7:
    67.2 mm
  • Screen diagonal

    XDA Stealth: 2.3 in smaller diagonal

    XDA Stealth:
    2.4 in
    Billy 4.7:
    4.7 in
  • Depth

    Billy 4.7: 15.3 mm thinner

    XDA Stealth:
    22.5 mm
    Billy 4.7:
    7.2 mm
  • Height

    XDA Stealth: 25.8 mm shorter

    XDA Stealth:
    110 mm
    Billy 4.7:
    135.8 mm
  • Release year

    XDA Stealth:
    2006
    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. XDA Stealth

    Height:
    110 mm
    Width:
    53 mm
    Depth:
    22.5 mm +15.3 mm versus Billy 4.7
  2. 2. Billy 4.7

    Height:
    135.8 mm +25.8 mm versus XDA Stealth
    Width:
    67.2 mm +14.2 mm versus XDA Stealth
    Depth:
    7.2 mm

Weight

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

  1. 1. XDA Stealth

    140 g

    +20 g versus Billy 4.7

  2. 2. Billy 4.7

    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. XDA Stealth

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 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 241.4% more rectangular screen area than XDA Stealth.

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 XDA Stealth, Billy 4.7, compared at the same storage capacity.
StorageXDA StealthBilly 4.7
8 GB Unknown 1 GB RAM
XDA Stealth: Original memory entry

64 MB RAM · 192 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. XDA Stealth

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. XDA Stealth

    1300 mAh

  2. 2. Billy 4.7

    1780 mAh

    +480 mAh versus XDA Stealth

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. XDA Stealth2. Billy 4.7

Everyday essentials
Everyday essentials — specifications for XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
Dimensions (HxWxD)
  • 110 Х 53 Х 22.5 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 140 g
  • 120 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 4.7" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 192 MB ROM
  • 8 GB
  • 1 GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Po
  • 1780 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Microsoft Windows Phone 8.1
Chipset Unknown
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 60.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 30.6%
  • 66.7%
PPI /points per inch/
  • 167 PPI
  • 312 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
Processor CPU
  • Intel XScale PXA 272 416 MHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
General specs
General specs — specifications for XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
Release date
  • 2006
  • September
  • 2014
  • May
Colors
  • Silver
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
Unknown
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h 30 min
  • 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 XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Stealth, Billy 4.7.
SpecificationXDA StealthBilly 4.7
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Predictive text input -Voice dial
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47