BLU C4 vs vivo X9 Plus

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: 81 g lighter

    C4:
    118 g
    X9 Plus:
    199 g
  • Width

    C4: 14.8 mm narrower

    C4:
    64.2 mm
    X9 Plus:
    79 mm
  • Screen diagonal

    C4: 1.88 in smaller diagonal

    C4:
    4 in
    X9 Plus:
    5.88 in
  • Depth

    X9 Plus: 3.4 mm thinner

    C4:
    10.9 mm
    X9 Plus:
    7.5 mm
  • Height

    C4: 37.7 mm shorter

    C4:
    124.3 mm
    X9 Plus:
    162 mm
  • Release year

    C4:
    2018
    X9 Plus:
    2016

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 X9 Plus
  2. 2. X9 Plus

    Height:
    162 mm +37.7 mm versus C4
    Width:
    79 mm +14.8 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. X9 Plus

    199 g

    +81 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. X9 Plus

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

X9 Plus has approximately 109.3% 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.

Recorded RAM for C4, X9 Plus, compared at the same storage capacity.
StorageC4X9 Plus
64 GB Unknown 6 GB RAM
C4: Original memory entry

8 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. C4

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

2. X9 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. X9 Plus

    4000 mAh

    +2700 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. X9 Plus

Everyday essentials
Everyday essentials — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
Dimensions (HxWxD)
  • 124.3 Х 64.2 Х 10.9 mm
  • 162 Х 79 Х 7.5 mm
Weight
  • 118 g
  • 199 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 5.88" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Li-Po
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 6.1 (Marshmallow)
  • upgradable to Android 8 (Oreo); Funtouch 3
Chipset Unknown
  • Qualcomm MSM8976 Pro Snapdragon 653 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 95.3 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 74.5%
PPI /points per inch/
  • 233 PPI
  • 375 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 5 MP
  • 16 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 20 MP
  • Dual
Specifications
  • 5 MP
  • 20 MP
  • f/2.0
  • 1/2.8'' 8 MP
Performance

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

Performance — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
Processor CPU
  • Quad-core 1.3 GHz
  • Octa-core (4x1.95 GHz Cortex-A72 & 4x1.44 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Adreno 510
Antutu 7 score *
  • 21722
  • 105322
GeekBench 4 Single Core * Unknown
  • 1430
GeekBench 4 Multi-Core * Unknown
  • 4466
GeekBench 4 RenderScript * Unknown
  • 4483
GeekBench 5 Single Core * Unknown
  • 291
GeekBench 5 Multi-Core * Unknown
  • 1123
General specs
General specs — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
Release date
  • 2018
  • August
  • 2016
  • November
Colors
  • Black
  • Gold
  • Blue
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
  • 580 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
Communication and Connectivity
Communication and Connectivity — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM (Nano-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 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
Radio
  • FM radio
  • No
Others Unknown
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for C4, X9 Plus.
SpecificationC4X9 Plus
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging