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Vodafone Smart E9 vs Yezz Billy 4

Compare recorded specifications, size and practical differences.

Yezz Billy 4

Yezz Billy 4

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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.

  • WeightBilly 4: 25 g lighterBilly 4: 109 g · Smart E9: 134 g
  • WidthBilly 4: 1.3 mm narrowerBilly 4: 64.4 mm · Smart E9: 65.7 mm
  • Screen diagonalBilly 4: 1 in smaller diagonalBilly 4: 4 in · Smart E9: 5 in
  • ChipsetMediatek MT6739 (28 nm) / Qualcomm MSM8212 Snapdragon 200 (28 nm)Smart E9: Mediatek MT6739 (28 nm) · Billy 4: Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • HeightBilly 4: 15.1 mm shorterBilly 4: 122.5 mm · Smart E9: 137.6 mm
  • Release year2018 / 2014Smart E9: 2018 · 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
Smart E9: 137.6 × 65.7 mm 1 Billy 4: 122.5 × 64.4 mm 2
Side
Smart E9: 137.6 × 9.8 mm 1 Billy 4: 122.5 × 9.9 mm 2
  1. 1. Smart E9
    Height
    137.6 mm
    Width
    65.7 mm
    Depth
    9.8 mm
    Weight
    134 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
SpecificationSmart E9Billy 4
Dimensions (HxWxD)
  • 137.6 Х 65.7 Х 9.8 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 134 g
  • 109 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 480 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
  • microSD
  • up to 256 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationSmart E9Billy 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 64.5 cm2
  • 45.5 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 71.4%
  • 57.7%
PPI /points per inch/
  • 215 PPI
  • 233 PPI
Camera and Video
Camera and Video
SpecificationSmart E9Billy 4
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2 MP
  • 1.3 MP
Performance
Performance
SpecificationSmart E9Billy 4
Processor CPU
  • Quad-core 1.5 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 302
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 31742
Unknown
General specs
General specs
SpecificationSmart E9Billy 4
Release date
  • 2018
  • December
  • 2014
  • June
Colors
  • Anthracite
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 70 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
SpecificationSmart E9Billy 4
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE 800/900/1800/2100/2600 LTE 700/850/1800/2100/2600
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.91 W/kg (head) 1.63 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationSmart E9Billy 4
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features
SpecificationSmart E9Billy 4
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity