BLU C4 vs vivo Y55s

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

    C4: 24 g lighter

    C4:
    118 g
    Y55s:
    142 g
  • Width

    C4: 8.7 mm narrower

    C4:
    64.2 mm
    Y55s:
    72.9 mm
  • Screen diagonal

    C4: 1.2 in smaller diagonal

    C4:
    4 in
    Y55s:
    5.2 in
  • Depth

    Y55s: 3.4 mm thinner

    C4:
    10.9 mm
    Y55s:
    7.5 mm
  • Height

    C4: 23.6 mm shorter

    C4:
    124.3 mm
    Y55s:
    147.9 mm
  • Release year

    C4:
    2018
    Y55s:
    2017

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. C4

    Height:
    124.3 mm
    Width:
    64.2 mm
    Depth:
    10.9 mm +3.4 mm versus Y55s
  2. 2. Y55s

    Height:
    147.9 mm +23.6 mm versus C4
    Width:
    72.9 mm +8.7 mm versus C4
    Depth:
    7.5 mm

Weight

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

  1. 1. C4

    118 g

  2. 2. Y55s

    142 g

    +24 g versus C4

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. C4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Y55s

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

Y55s has approximately 63.7% more rectangular screen area than C4.

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.

C4: Original memory entry

8 GB · 512 MB RAM

Y55s: Original memory entry

16 GB · 2/3 GB 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. C4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. Y55s

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. C4

    1300 mAh

  2. 2. Y55s

    2730 mAh

    +1430 mAh versus C4

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. C42. Y55s

Everyday essentials
Everyday essentials — specifications for C4, Y55s.
SpecificationC4Y55s
Dimensions (HxWxD)
  • 124.3 Х 64.2 Х 10.9 mm
  • 147.9 Х 72.9 Х 7.5 mm
Weight
  • 118 g
  • 142 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 16 GB
  • 2/3 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Li-Po
  • 2730 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 6 (Marshmallow); Funtouch 3
Chipset Unknown
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C4, Y55s.
SpecificationC4Y55s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 69.1%
PPI /points per inch/
  • 233 PPI
  • 282 PPI
Camera and Video
Camera and Video — specifications for C4, Y55s.
SpecificationC4Y55s
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • AF
  • f/2.2
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for C4, Y55s.
SpecificationC4Y55s
Processor CPU
  • Quad-core 1.3 GHz
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 306
Antutu 7 score *
  • 21722
  • 32622
GeekBench 4 Single Core * Unknown
  • 648
GeekBench 4 Multi-Core * Unknown
  • 1831
GeekBench 4 RenderScript * Unknown
  • 1230
General specs
General specs — specifications for C4, Y55s.
SpecificationC4Y55s
Release date
  • 2018
  • August
  • 2017
  • February
Colors
  • Black
  • Gold
  • Blue
  • Crown Gold
  • Rose Gold
  • Space Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
  • 200 EUR
Battery life
  • Stand by time- Up to 400 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 13 h (3G)
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for C4, Y55s.
SpecificationC4Y55s
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 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)
  • 40(2300) - Malaysia
  • Vietnam LTE band 1(2100)
  • 8(900) - Thailand
  • Indonesia
  • Myanmar
  • Philippines LTE band 1(2100)
  • 40(2300) - India
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for C4, Y55s.
SpecificationC4Y55s
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for C4, Y55s.
SpecificationC4Y55s
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity
  • compass