BLU Vivo X vs Celkon A64

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

    A64: 62.4 g lighter

    Vivo X:
    188 g
    A64:
    125.6 g
  • Width

    A64: 11.8 mm narrower

    Vivo X:
    76.8 mm
    A64:
    65 mm
  • Screen diagonal

    A64: 2 in smaller diagonal

    Vivo X:
    6 in
    A64:
    4 in
  • Rear camera layout

    Vivo X:
    Dual
    A64:
    Single
  • Depth

    Vivo X: 2.3 mm thinner

    Vivo X:
    8.2 mm
    A64:
    10.5 mm
  • Height

    A64: 36 mm shorter

    Vivo X:
    160 mm
    A64:
    124 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. Vivo X

    Height:
    160 mm +36 mm versus A64
    Width:
    76.8 mm +11.8 mm versus A64
    Depth:
    8.2 mm
  2. 2. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +2.3 mm versus Vivo X

Weight

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

  1. 1. Vivo X

    188 g

    +62.4 g versus A64

  2. 2. A64

    125.6 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. Vivo X

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²

Vivo X has approximately 95% more rectangular screen area than A64.

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.

Vivo X: Original memory entry

64 GB · 512GB 4GB

A64: Original memory entry

512 MB · 256 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. Vivo X

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

2. A64

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Vivo X

    4010 mAh

    +2610 mAh versus A64

  2. 2. A64

    1400 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. Vivo X2. A64

Everyday essentials
Everyday essentials — specifications for Vivo X, A64.
SpecificationVivo XA64
Dimensions (HxWxD)
  • 160 Х 76.8 Х 8.2 mm
  • 124 Х 65 Х 10.5 mm
Weight
  • 188 g
  • 125.6 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6" inch
  • 4" inch
Screen resolution
  • 720 x 1440 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4010 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Mediatek MT6757 Helio P20 (16 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Vivo X, A64.
SpecificationVivo XA64
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 92.9 cm2
  • 47.6 cm2
Screen format
  • 18:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 75.6%
  • 59.1%
PPI /points per inch/
  • 268 PPI
  • 144 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Vivo X, A64.
SpecificationVivo XA64
Rear camera, main
  • 13 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • 1/3''
  • 1.12µm
  • PDAF -5 MP
  • 1/5''
  • depth sensor
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 20 MP
  • Dual
  • 0.3 MP
  • Single
Specifications
  • 20 MP
  • 1/2.78''
  • 1.0µm 8 MP
  • 1/4''
  • 1.12µm
  • VGA
Performance

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

Performance — specifications for Vivo X, A64.
SpecificationVivo XA64
Processor CPU
  • Octa-core (4x2.6 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Mali-T880MP2
Unknown
Antutu 7 score *
  • 67152
Unknown
GeekBench 4 Single Core *
  • 845
Unknown
GeekBench 4 Multi-Core *
  • 3903
Unknown
General specs
General specs — specifications for Vivo X, A64.
SpecificationVivo XA64
Release date
  • 2018
  • February
  • 2014
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 USD
Unknown
Battery life
  • Stand by time- Up to 750 h (2G) / Up to 700 h (3G) Talking time- Up to 28 h (2G) / Up to 22 h (3G)
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for Vivo X, A64.
SpecificationVivo XA64
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 28(700)
Unknown
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Music and Audio
Music and Audio — specifications for Vivo X, A64.
SpecificationVivo XA64
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Vivo X, A64.
SpecificationVivo XA64
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer