Celkon A63 vs Lenovo ZUK Z2

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.

  • Screen diagonal

    A63: 1 in smaller diagonal

    A63:
    4 in
    ZUK Z2:
    5 in
  • Release year

    A63:
    2013
    ZUK Z2:
    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. A63

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. ZUK Z2

    Height:
    141.7 mm
    Width:
    68.9 mm
    Depth:
    8.5 mm
    Weight:
    149 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. A63

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. ZUK Z2

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

ZUK Z2 has approximately 51.3% more rectangular screen area than A63.

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.

A63: Original memory entry

512 MB · 256 MB RAM

ZUK Z2: Original memory entry

64 GB · 4 GB RAM 32 GB · 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. A63

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

2. ZUK Z2

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. A63

    1500 mAh

  2. 2. ZUK Z2

    3500 mAh

    +2000 mAh versus A63

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. A632. ZUK Z2

Everyday essentials
Everyday essentials — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
Dimensions (HxWxD)
  • Х Х mm
  • 141.7 Х 68.9 Х 8.5 mm
Weight
  • 0 g
  • 149 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 4" inch
  • 5" 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.
  • 512 MB
  • 256 MB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.0 (Jelly Bean)
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo); ZUI 2.5
Chipset Unknown
  • Qualcomm MSM8996 Snapdragon 820 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 70.6%
PPI /points per inch/
  • 233 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • 13 MP
  • f/2.2
  • 1/2.6''
  • 1.34µm
  • PDAF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
Performance

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

Performance — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
Graphics processor GPU Unknown
  • Adreno 530
GeekBench 4 Single Core * Unknown
  • 1642
GeekBench 4 Multi-Core * Unknown
  • 3492
GeekBench 4 RenderScript * Unknown
  • 6333
GeekBench 4 Battery * Unknown
  • 2107
GeekBench 5 Single Core * Unknown
  • 311
GeekBench 5 Multi-Core * Unknown
  • 762
General specs
General specs — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
Release date
  • 2013
  • August
  • 2016
  • May
Colors
  • Black
  • Titanium Black
  • Ceramic White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 220 EUR
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • Yes
  • 4.1
  • A2DP
  • LE
  • EDR
Harmful irradiation
  • SAR EU - 0.91 W/kg (head) 0.63 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
Radio Unknown
  • No
Others Unknown
  • Always-on display
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A63, ZUK Z2.
SpecificationA63ZUK Z2
Dop
  • Sensors Proximity
  • gyro
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as Lenovo Z2 Plus