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O2 XDA Exec vs Yezz Billy 4

Compare recorded specifications, size and practical differences.

O2 XDA Exec

O2 XDA Exec

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Yezz Billy 4

Yezz Billy 4

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+ 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: 176 g lighterBilly 4: 109 g · XDA Exec: 285 g
  • WidthBilly 4: 16.6 mm narrowerBilly 4: 64.4 mm · XDA Exec: 81 mm
  • Screen diagonalXDA Exec: 0.4 in smaller diagonalXDA Exec: 3.6 in · Billy 4: 4 in
  • DepthBilly 4: 15.1 mm thinnerBilly 4: 9.9 mm · XDA Exec: 25 mm
  • HeightBilly 4: 4.5 mm shorterBilly 4: 122.5 mm · XDA Exec: 127 mm
  • Release year2005 / 2014XDA Exec: 2005 · 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.

Front
XDA Exec: 127 × 81 mm 1 Billy 4: 122.5 × 64.4 mm 2
Side
XDA Exec: 127 × 25 mm 1 Billy 4: 122.5 × 9.9 mm 2
  1. 1. XDA Exec
    Height
    127 mm
    Width
    81 mm
    Depth
    25 mm
    Weight
    285 g
  2. 2. Billy 4
    Height
    122.5 mm
    Width
    64.4 mm
    Depth
    9.9 mm
    Weight
    109 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationXDA ExecBilly 4
Dimensions (HxWxD)
  • 127 Х 81 Х 25 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 285 g
  • 109 g
Technology
  • TFT
  • TFT
Screen size
  • 3.6" inch
  • 4" inch
Screen resolution
  • 640 x 480 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 4 GB
  • 512 MB RAM
Memory card support
  • SDIO/MMC
  • microSD
  • up to 256 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1620 mAh
  • Removable Li-Ion
  • 1300 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
SpecificationXDA ExecBilly 4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 40.1 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 39.0%
  • 57.7%
PPI /points per inch/
  • 222 PPI
  • 233 PPI
Camera and Video
Camera and Video
SpecificationXDA ExecBilly 4
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA videocall camera
  • 1.3 MP
Performance
Performance
SpecificationXDA ExecBilly 4
Processor CPU
  • Intel Bulverde 520 MHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
General specs
General specs
SpecificationXDA ExecBilly 4
Release date
  • 2005
  • August
  • 2014
  • June
Colors
  • Stylish black
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 8 h
  • 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
SpecificationXDA ExecBilly 4
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b
  • 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
SpecificationXDA ExecBilly 4
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
  • Dual speakers
Unknown
Other features
Other features
SpecificationXDA ExecBilly 4
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek 9000
  • i-mate JASJAR and T-Mobile MDA IV.
  • Sensors Accelerometer
  • proximity

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