Oppo Realme C2s vs Yezz Billy 4

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: 57 g lighter

    Realme C2s:
    166 g
    Billy 4:
    109 g
  • Width

    Billy 4: 9.3 mm narrower

    Realme C2s:
    73.7 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 2.1 in smaller diagonal

    Realme C2s:
    6.1 in
    Billy 4:
    4 in
  • Chipset

    Realme C2s:
    Mediatek MT6762 Helio P22 (12 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Rear camera layout

    Realme C2s:
    Dual
    Billy 4:
    Single
  • Depth

    Realme C2s: 1.4 mm thinner

    Realme C2s:
    8.5 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.

  1. 1. Realme C2s

    Height:
    154.3 mm +31.8 mm versus Billy 4
    Width:
    73.7 mm +9.3 mm versus Billy 4
    Depth:
    8.5 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +1.4 mm versus Realme C2s

Weight

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

  1. 1. Realme C2s

    166 g

    +57 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. Realme C2s

    Screen diagonal:
    6.1 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    91.3 cm²
  2. 2. Billy 4

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

Realme C2s has approximately 100.6% 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 for Realme C2s, Billy 4, compared at the same storage capacity.
StorageRealme C2sBilly 4
32 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. Realme C2s

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Realme C2s

    4000 mAh

    +2700 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. Realme C2s2. Billy 4

Everyday essentials
Everyday essentials — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 4
Dimensions (HxWxD)
  • 154.3 Х 73.7 Х 8.5 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 166 g
  • 109 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.1" inch
  • 4" inch
Screen resolution
  • 720 x 1560 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 91.3 cm2
  • 45.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 80.3%
  • 57.7%
PPI /points per inch/
  • 282 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 4
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • 1.75µm
  • depth sensor
  • 8 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
  • 1.3 MP
Performance
Performance — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 4
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 302
General specs
General specs — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 4
Release date
  • 2020
  • January
  • 2014
  • June
Colors
  • Diamond black
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 40 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)
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 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)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE-A
  • 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
  • GLONASS
  • BDS
  • 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 — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 4
Radio
  • FM radio
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Realme C2s, Billy 4.
SpecificationRealme C2sBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - For Thailand only
  • Sensors Accelerometer
  • proximity