Palm Pre Plus vs Yezz Billy 4.7

Compare recorded specifications, size and practical differences.

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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: 18 g lighter

    Pre Plus:
    138 g
    Billy 4.7:
    120 g
  • Width

    Pre Plus: 7.7 mm narrower

    Pre Plus:
    59.5 mm
    Billy 4.7:
    67.2 mm
  • Screen diagonal

    Pre Plus: 1.6 in smaller diagonal

    Pre Plus:
    3.1 in
    Billy 4.7:
    4.7 in
  • Depth

    Billy 4.7: 9.7 mm thinner

    Pre Plus:
    16.9 mm
    Billy 4.7:
    7.2 mm
  • Height

    Pre Plus: 35.3 mm shorter

    Pre Plus:
    100.5 mm
    Billy 4.7:
    135.8 mm
  • Release year

    Pre Plus:
    2010
    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. Pre Plus

    Height:
    100.5 mm
    Width:
    59.5 mm
    Depth:
    16.9 mm +9.7 mm versus Billy 4.7
  2. 2. Billy 4.7

    Height:
    135.8 mm +35.3 mm versus Pre Plus
    Width:
    67.2 mm +7.7 mm versus Pre Plus
    Depth:
    7.2 mm

Weight

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

  1. 1. Pre Plus

    138 g

    +18 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. Pre Plus

    Screen diagonal:
    3.1 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    28.6 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 112.8% more rectangular screen area than Pre Plus.

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 Pre Plus, Billy 4.7, compared at the same storage capacity.
StoragePre PlusBilly 4.7
8 GB Unknown 1 GB RAM
Pre Plus: Original memory entry

16 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. Pre Plus

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

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. Pre Plus

    1150 mAh

  2. 2. Billy 4.7

    1780 mAh

    +630 mAh versus Pre Plus

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. Pre Plus2. Billy 4.7

Everyday essentials
Everyday essentials — specifications for Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
Dimensions (HxWxD)
  • 100.5 Х 59.5 Х 16.9 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 138 g
  • 120 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.1" inch
  • 4.7" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1150 mAh
  • Removable Li-Ion
  • 1780 mAh
  • Removable Li-Ion
Operating system OS
  • Palm webOS 1.3.5
  • Microsoft Windows Phone 8.1
Chipset Unknown
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 28.6 cm2
  • 60.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 47.9%
  • 66.7%
PPI /points per inch/
  • 186 PPI
  • 312 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 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 Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
Processor CPU
  • 600 MHz Cortex-A8
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX
  • Adreno 302
General specs
General specs — specifications for Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
Release date
  • 2010
  • March
  • 2014
  • May
Colors
  • Black
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life
  • Stand by time- Up to 350 h (2G) / - (3G) Talking time- Up to 4 h (2G) / Up to 4 h (3G)
  • 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 Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
SIM card
  • Mini-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 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g
  • 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
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
Radio
  • No
  • Stereo FM radio
Other features
Other features — specifications for Pre Plus, Billy 4.7.
SpecificationPre PlusBilly 4.7
Dop
  • Sensors Accelerometer Wireless charging
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47