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Oppo A12e vs Yezz Billy 4

Compare recorded specifications, size and practical differences.

Oppo A12e

Oppo A12e

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Yezz Billy 4

Yezz Billy 4

Replace Billy 4
Remove Billy 4
+ 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: 59 g lighterBilly 4: 109 g · A12e: 168 g
  • WidthBilly 4: 11.2 mm narrowerBilly 4: 64.4 mm · A12e: 75.6 mm
  • Screen diagonalBilly 4: 2.2 in smaller diagonalBilly 4: 4 in · A12e: 6.2 in
  • ChipsetQualcomm SDM450 Snapdragon 450 (14 nm) / Qualcomm MSM8212 Snapdragon 200 (28 nm)A12e: Qualcomm SDM450 Snapdragon 450 (14 nm) · Billy 4: Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Rear camera layoutDual / SingleA12e: Dual · Billy 4: Single
  • DepthA12e: 1.7 mm thinnerA12e: 8.2 mm · Billy 4: 9.9 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.

Front
A12e: 156.2 × 75.6 mm 1 Billy 4: 122.5 × 64.4 mm 2
Side
A12e: 156.2 × 8.2 mm 1 Billy 4: 122.5 × 9.9 mm 2
  1. 1. A12e
    Height
    156.2 mm+33.7 mm versus Billy 4
    Width
    75.6 mm+11.2 mm versus Billy 4
    Depth
    8.2 mm
    Weight
    168 g
  2. 2. Billy 4
    Height
    122.5 mm
    Width
    64.4 mm
    Depth
    9.9 mm+1.7 mm versus A12e
    Weight
    109 g
Weight

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

  1. 1. A12e168 g

    +59 g versus Billy 4

  2. 2. Billy 4109 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.

Screen size
A12e: 6.2 in, 19:9, About 95.9 cm² rectangular area 1 Billy 4: 4 in, 5:3, About 45.5 cm² rectangular area 2
  1. 1. A12e 6.2 in · 19:9 About 95.9 cm² rectangular area
  2. 2. Billy 4 4 in · 5:3 About 45.5 cm² rectangular area

A12e has approximately 110.7% more rectangular screen area than Billy 4.

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 by storage capacity and phone
StorageA12eBilly 4
64 GB 3 GB RAM Unknown
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. A12e

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSDXC (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 capacity

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

  1. 1. A12e4230 mAh

    +2930 mAh versus Billy 4

  2. 2. Billy 41300 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. A12e2. Billy 4

Everyday essentials
Everyday essentials
SpecificationA12eBilly 4
Dimensions (HxWxD)
  • 156.2 Х 75.6 Х 8.2 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 168 g
  • 109 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 4" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 3GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 256 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.1
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA12eBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 95.9 cm2
  • 45.5 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 81.2%
  • 57.7%
PPI /points per inch/
  • 271 PPI
  • 233 PPI
Camera and Video
Camera and Video
SpecificationA12eBilly 4
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • (depth)
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 1.3 MP
Performance
Performance
SpecificationA12eBilly 4
Processor CPU
  • Octa-core 1.8 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 506
  • Adreno 302
General specs
General specs
SpecificationA12eBilly 4
Release date
  • 2020
  • April 3
  • 2014
  • June
Colors
  • Red
  • Dark Purple
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
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)
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationA12eBilly 4
SIM card
  • 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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • 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
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio
SpecificationA12eBilly 4
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features
SpecificationA12eBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity