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HTC One VX vs Yezz Billy 4

Compare recorded specifications, size and practical differences.

HTC One VX

HTC One VX

Replace One VX
Remove One VX
Yezz Billy 4

Yezz Billy 4

Replace Billy 4
Remove Billy 4
+ 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.

  • WeightBilly 4: 15.7 g lighterBilly 4: 109 g · One VX: 124.7 g
  • WidthBilly 4: 3.2 mm narrowerBilly 4: 64.4 mm · One VX: 67.6 mm
  • Screen diagonalBilly 4: 0.5 in smaller diagonalBilly 4: 4 in · One VX: 4.5 in
  • ChipsetQualcomm MSM8930 Snapdragon 400 (28 nm) / Qualcomm MSM8212 Snapdragon 200 (28 nm)One VX: Qualcomm MSM8930 Snapdragon 400 (28 nm) · Billy 4: Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • DepthOne VX: 0.7 mm thinnerOne VX: 9.2 mm · Billy 4: 9.9 mm
  • HeightBilly 4: 11 mm shorterBilly 4: 122.5 mm · One VX: 133.5 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.

Front
One VX: 133.5 × 67.6 mm 1 Billy 4: 122.5 × 64.4 mm 2
Side
One VX: 133.5 × 9.2 mm 1 Billy 4: 122.5 × 9.9 mm 2
  1. 1. One VX
    Height
    133.5 mm+11 mm versus Billy 4
    Width
    67.6 mm+3.2 mm versus Billy 4
    Depth
    9.2 mm
    Weight
    124.7 g
  2. 2. Billy 4
    Height
    122.5 mm
    Width
    64.4 mm
    Depth
    9.9 mm+0.7 mm versus One VX
    Weight
    109 g
Weight

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

  1. 1. One VX124.7 g

    +15.7 g versus Billy 4

  2. 2. Billy 4109 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.

Screen size
One VX: 4.5 in, 16:9, About 55.8 cm² rectangular area 1 Billy 4: 4 in, 5:3, About 45.5 cm² rectangular area 2
  1. 1. One VX 4.5 in · 16:9 About 55.8 cm² rectangular area
  2. 2. Billy 4 4 in · 5:3 About 45.5 cm² rectangular area

One VX has approximately 22.6% 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 by storage capacity and phone
StorageOne VXBilly 4
8 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. One VX

NFC
Yes
Headphone jack
Yes
Memory card support
See details microSD · up to 32 GB (dedicated slot)

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 capacity

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

  1. 1. One VX1800 mAh

    +500 mAh versus Billy 4

  2. 2. Billy 41300 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 VX2. Billy 4

Everyday essentials
Everyday essentials
SpecificationOne VXBilly 4
Dimensions (HxWxD)
  • 133.5 Х 67.6 Х 9.2 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 124.7 g
  • 109 g
Technology
  • Super LCD2
  • TFT
Screen size
  • 4.5" inch
  • 4" inch
Screen resolution
  • 540 x 960 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich); Sense UI 4
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationOne VXBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 61.9%
  • 57.7%
PPI /points per inch/
  • 245 PPI
  • 233 PPI
Camera and Video
Camera and Video
SpecificationOne VXBilly 4
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance
Performance
SpecificationOne VXBilly 4
Processor CPU
  • Dual-core 1.2 GHz Krait
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 305
  • Adreno 302
General specs
General specs
SpecificationOne VXBilly 4
Release date
  • 2012
  • October
  • 2014
  • June
Colors
  • White
  • Black
  • Gray
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 290 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
SpecificationOne VXBilly 4
SIM card
  • Micro-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE band 4(1700/2100)
  • 17(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 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
  • dual-band
  • 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
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.16 W/kg (head) 1.23 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationOne VXBilly 4
Radio
  • FM radio
  • Stereo FM radio
Others
  • Beats Audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features
SpecificationOne VXBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - DivX/XviD/MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV/FLAC player -Document viewer - For AT&T
  • Sensors Accelerometer
  • proximity