HTC One X vs Yezz Billy 4

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: 21 g lighter

    One X:
    130 g
    Billy 4:
    109 g
  • Width

    Billy 4: 5.5 mm narrower

    One X:
    69.9 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 0.7 in smaller diagonal

    One X:
    4.7 in
    Billy 4:
    4 in
  • Depth

    One X: 1 mm thinner

    One X:
    8.9 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 11.9 mm shorter

    One X:
    134.4 mm
    Billy 4:
    122.5 mm
  • Release year

    One X:
    2012
    Billy 4:
    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. One X

    Height:
    134.4 mm +11.9 mm versus Billy 4
    Width:
    69.9 mm +5.5 mm versus Billy 4
    Depth:
    8.9 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +1 mm versus One X

Weight

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

  1. 1. One X

    130 g

    +21 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. One X

    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

One X 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

One X: Original memory entry

16/32 GB (26 GB user available) · 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. One X

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. One X

    1800 mAh

    +500 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. One X2. Billy 4

Everyday essentials
Everyday essentials — specifications for One X, Billy 4.
SpecificationOne XBilly 4
Dimensions (HxWxD)
  • 134.4 Х 69.9 Х 8.9 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 130 g
  • 109 g
Technology
  • Super IPS LCD2
  • 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.
  • 16/32 GB (26 GB user available)
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • upgradable to 4.1.1 (Jelly Bean); Sense UI
  • Microsoft Windows Phone 8.1
Chipset
  • Nvidia Tegra 3
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One X, Billy 4.
SpecificationOne XBilly 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
  • 64.8%
  • 57.7%
PPI /points per inch/
  • 312 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for One X, Billy 4.
SpecificationOne XBilly 4
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 1.3 MP
  • 1.3 MP
Performance

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

Performance — specifications for One X, Billy 4.
SpecificationOne XBilly 4
Processor CPU
  • Quad-core 1.5 GHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • ULP GeForce
  • Adreno 302
Antutu 7 score *
  • 15483
Unknown
GeekBench 4 Single Core *
  • 423
Unknown
GeekBench 4 Multi-Core *
  • 981
Unknown
GeekBench 4 RenderScript *
  • 622
Unknown
General specs
General specs — specifications for One X, Billy 4.
SpecificationOne XBilly 4
Release date
  • 2012
  • February
  • 2014
  • June
Colors
  • Gray
  • White
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life Unknown
  • 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 One X, Billy 4.
SpecificationOne XBilly 4
SIM card
  • Micro-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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 a/b/g/n
  • Wi-Fi Direct
  • DLNA
  • 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 (MHL TV-out)
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.68 W/kg (head) 0.70 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for One X, Billy 4.
SpecificationOne XBilly 4
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
Others
  • Beats Audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One X, Billy 4.
SpecificationOne XBilly 4
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as HTC One XT for China
  • Sensors Accelerometer
  • proximity