Celkon A64 vs vivo Z1x

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: 64.4 g lighter

    A64:
    125.6 g
    Z1x:
    190 g
  • Width

    A64: 10.2 mm narrower

    A64:
    65 mm
    Z1x:
    75.2 mm
  • Screen diagonal

    A64: 2.38 in smaller diagonal

    A64:
    4 in
    Z1x:
    6.38 in
  • Rear camera layout

    A64:
    Single
    Z1x:
    Triple
  • Depth

    Z1x: 2.4 mm thinner

    A64:
    10.5 mm
    Z1x:
    8.1 mm
  • Height

    A64: 35.5 mm shorter

    A64:
    124 mm
    Z1x:
    159.5 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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +2.4 mm versus Z1x
  2. 2. Z1x

    Height:
    159.5 mm +35.5 mm versus A64
    Width:
    75.2 mm +10.2 mm versus A64
    Depth:
    8.1 mm

Weight

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

  1. 1. A64

    125.6 g

  2. 2. Z1x

    190 g

    +64.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Z1x

    Screen diagonal:
    6.38 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    99.9 cm²

Z1x has approximately 109.7% 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.

Recorded RAM for A64, Z1x, compared at the same storage capacity.
StorageA64Z1x
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
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. A64

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

2. Z1x

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. A64

    1400 mAh

  2. 2. Z1x

    4500 mAh

    +3100 mAh versus A64

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. A642. Z1x

Everyday essentials
Everyday essentials — specifications for A64, Z1x.
SpecificationA64Z1x
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 159.5 Х 75.2 Х 8.1 mm
Weight
  • 125.6 g
  • 190 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 4" inch
  • 6.38" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie); Funtouch 9.1
Chipset Unknown
  • Qualcomm SDM712 Snapdragon 712 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A64, Z1x.
SpecificationA64Z1x
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 99.9 cm2
Screen format
  • 3:2 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 59.1%
  • 83.3%
PPI /points per inch/
  • 144 PPI
  • 404 PPI
Camera and Video
Camera and Video — specifications for A64, Z1x.
SpecificationA64Z1x
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 2 MP
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide) -5 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 32 MP
  • Single
Specifications
  • VGA
  • 32 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
Performance

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

Performance — specifications for A64, Z1x.
SpecificationA64Z1x
Processor CPU
  • Dual-core 1.2 GHz
  • Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU Unknown
  • Adreno 616
Antutu 8 score * Unknown
  • 215555
General specs
General specs — specifications for A64, Z1x.
SpecificationA64Z1x
Release date
  • 2014
  • 2019
  • September
Colors
  • White
  • Black
  • Fusion Blue
  • Phantom Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 220 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A64, Z1x.
SpecificationA64Z1x
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • 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)
Speed Unknown
  • HSPA
  • LTE-A
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
  • aptX
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
  • SAR - 1.03 W/kg (head) 0.55 W/kg (body)
Music and Audio
Music and Audio — specifications for A64, Z1x.
SpecificationA64Z1x
Radio
  • FM radio
  • FM radio
Others Unknown
  • Always-on display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A64, Z1x.
SpecificationA64Z1x
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 22.5W