Amoi E850 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

    E850: 12 g lighter

    E850:
    108 g
    Billy 4.7:
    120 g
  • Width

    E850: 13.2 mm narrower

    E850:
    54 mm
    Billy 4.7:
    67.2 mm
  • Screen diagonal

    E850: 2.3 in smaller diagonal

    E850:
    2.4 in
    Billy 4.7:
    4.7 in
  • Depth

    Billy 4.7: 12.8 mm thinner

    E850:
    20 mm
    Billy 4.7:
    7.2 mm
  • Height

    E850: 33.8 mm shorter

    E850:
    102 mm
    Billy 4.7:
    135.8 mm
  • Release year

    E850:
    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. E850

    Height:
    102 mm
    Width:
    54 mm
    Depth:
    20 mm +12.8 mm versus Billy 4.7
  2. 2. Billy 4.7

    Height:
    135.8 mm +33.8 mm versus E850
    Width:
    67.2 mm +13.2 mm versus E850
    Depth:
    7.2 mm

Weight

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

  1. 1. E850

    108 g

  2. 2. Billy 4.7

    120 g

    +12 g versus E850

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. E850

    E850: Screen geometry unavailable or conflicting.

  2. 2. Billy 4.7

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²

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 E850, Billy 4.7, compared at the same storage capacity.
StorageE850Billy 4.7
8 GB Unknown 1 GB RAM
E850: Original memory entry

64 MB RAM · 128 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. E850

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

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. E850

    1100 mAh

  2. 2. Billy 4.7

    1780 mAh

    +680 mAh versus E850

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. E8502. Billy 4.7

Everyday essentials
Everyday essentials — specifications for E850, Billy 4.7.
SpecificationE850Billy 4.7
Dimensions (HxWxD)
  • 102 Х 54 Х 20 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 108 g
  • 120 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 4.7" inch
Screen resolution
  • 204 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
  • 128 MB ROM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 1780 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 for PocketPC Phone Edition
  • Microsoft Windows Phone 8.1
Chipset Unknown
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E850, Billy 4.7.
SpecificationE850Billy 4.7
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 16.8 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 130.6 g
  • 66.7%
PPI /points per inch/
  • 0 PPI
  • 312 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for E850, Billy 4.7.
SpecificationE850Billy 4.7
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications
  • Super AMOLED
  • 2 MP
Performance
Performance — specifications for E850, Billy 4.7.
SpecificationE850Billy 4.7
Processor CPU
  • Intel XScale PXA 272 312 MHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
General specs
General specs — specifications for E850, Billy 4.7.
SpecificationE850Billy 4.7
Release date
  • 2006
  • Q2
  • 2014
  • May
Colors
  • Black
  • White
  • Red
  • Blue
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • 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 E850, Billy 4.7.
SpecificationE850Billy 4.7
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • Super AMOLED
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • panorama
  • Class 12
Wi-Fi
  • panorama
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
USB
  • HSPA 21.1/5.76 Mbps
  • microUSB 2.0
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for E850, Billy 4.7.
SpecificationE850Billy 4.7
Radio
  • panorama
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for E850, Billy 4.7.
SpecificationE850Billy 4.7
Dop
  • Super AMOLED
  • Infrared port - Pocket Office -Media player -PC Sync -Voice memo -Organizer -World Time
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47