Celkon A35k Remote vs vivo X20

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

    A35k Remote: 57 g lighter

    A35k Remote:
    102 g
    X20:
    159 g
  • Width

    A35k Remote: 12.2 mm narrower

    A35k Remote:
    63 mm
    X20:
    75.2 mm
  • Screen diagonal

    A35k Remote: 2.51 in smaller diagonal

    A35k Remote:
    3.5 in
    X20:
    6.01 in
  • Rear camera layout

    A35k Remote:
    Single
    X20:
    Dual
  • Depth

    X20: 3.5 mm thinner

    A35k Remote:
    10.7 mm
    X20:
    7.2 mm
  • Height

    A35k Remote: 36.9 mm shorter

    A35k Remote:
    119 mm
    X20:
    155.9 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. A35k Remote

    Height:
    119 mm
    Width:
    63 mm
    Depth:
    10.7 mm +3.5 mm versus X20
  2. 2. X20

    Height:
    155.9 mm +36.9 mm versus A35k Remote
    Width:
    75.2 mm +12.2 mm versus A35k Remote
    Depth:
    7.2 mm

Weight

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

  1. 1. A35k Remote

    102 g

  2. 2. X20

    159 g

    +57 g versus A35k Remote

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. A35k Remote

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. X20

    Screen diagonal:
    6.01 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    93.2 cm²

X20 has approximately 155.5% more rectangular screen area than A35k Remote.

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.

A35k Remote: Original memory entry

512 MB · 256 MB RAM

X20: Original memory entry

64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A35k Remote

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

2. X20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. A35k Remote

    1400 mAh

  2. 2. X20

    3250 mAh

    +1850 mAh versus A35k Remote

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. A35k Remote2. X20

Everyday essentials
Everyday essentials — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
Dimensions (HxWxD)
  • 119 Х 63 Х 10.7 mm
  • 155.9 Х 75.2 Х 7.2 mm
Weight
  • 102 g
  • 159 g
Technology Unknown
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.01" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2160 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
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3250 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8.0 (Oreo); Funtouch 3.2
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 93.2 cm2
Screen format
  • 3:2 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 48.7%
  • 79.5%
PPI /points per inch/
  • 165 PPI
  • 402 PPI
Camera and Video
Camera and Video — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/1.8
  • AF -5 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 12 MP
  • Single
Specifications
  • VGA
  • 12 MP
  • f/2.0
Performance

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

Performance — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • Adreno 512
Antutu 7 score * Unknown
  • 142753
GeekBench 4 Single Core * Unknown
  • 1907
GeekBench 4 Multi-Core * Unknown
  • 4546
GeekBench 4 RenderScript * Unknown
  • 5409
General specs
General specs — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
Release date
  • 2015
  • June
  • 2017
  • September
Colors
  • White
  • Black
  • Blue
  • Matte Black
  • Black/Gold
  • Gold
  • Rose Gold
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 390 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 4(1700/2100)
  • 8(900) - X20A
Speed
  • Yes
  • 384 kbps
  • 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
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.56 W/kg (head) 0.40 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
Radio
  • FM radio
  • No
Others Unknown
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A35k Remote, X20.
SpecificationA35k RemoteX20
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W