Sony Xperia E1 vs Yezz Billy 4

Compare recorded specifications, size and practical differences.

+ 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.

  • Weight

    Billy 4: 11 g lighter

    Xperia E1:
    120 g
    Billy 4:
    109 g
  • Width

    Xperia E1: 2 mm narrower

    Xperia E1:
    62.4 mm
    Billy 4:
    64.4 mm
  • Chipset

    Xperia E1:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Billy 4: 2.1 mm thinner

    Xperia E1:
    12 mm
    Billy 4:
    9.9 mm
  • Height

    Xperia E1: 4.5 mm shorter

    Xperia E1:
    118 mm
    Billy 4:
    122.5 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.

  1. 1. Xperia E1

    Height:
    118 mm
    Width:
    62.4 mm
    Depth:
    12 mm +2.1 mm versus Billy 4
  2. 2. Billy 4

    Height:
    122.5 mm +4.5 mm versus Xperia E1
    Width:
    64.4 mm +2 mm versus Xperia E1
    Depth:
    9.9 mm

Weight

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

  1. 1. Xperia E1

    120 g

    +11 g versus Billy 4

  2. 2. Billy 4

    109 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. Xperia E1

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Billy 4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Xperia E1: Original memory entry

4 GB · 512 MB RAM

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. Xperia E1

NFC:
Unknown
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 battery capacity

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

  1. 1. Xperia E1

    1700 mAh

    +400 mAh versus Billy 4

  2. 2. Billy 4

    1300 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. Xperia E12. Billy 4

Everyday essentials
Everyday essentials — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
Dimensions (HxWxD)
  • 118 Х 62.4 Х 12 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 120 g
  • 109 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4.2 (KitKat); Timescape UI
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 61.8%
  • 57.7%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • f/2.5
  • 8 MP
  • AF
Functions
  • HDR
  • panorama
  • LED flash
Video
  • SVGA@20fps
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 302
  • Adreno 302
Antutu 7 score *
  • 12182
Unknown
General specs
General specs — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
Release date
  • 2014
  • January
  • 2014
  • June
Colors
  • Black
  • Purple
  • White
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
Unknown
Battery life
  • Stand by time- Up to 498 h (2G) / Up to 454 h (3G) Talking time- Up to 8 h 13 min (2G) / Up to 8 h 41 min (3G)
  • 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 — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Up to 86 kbps
  • Class 12
Edge
  • Up to 237 kbps
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.71 W/kg (head) 1.33 W/kg (body) SAR EU - 0.65 W/kg (head) 0.81 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
Radio
  • FM radio
  • RDS
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Xperia E1, Billy 4.
SpecificationXperia E1Billy 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity