A1 Alpha vs Asus Zenfone 5z ZS620KL

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

    Alpha: 15 g lighter

    Alpha:
    150 g
    Zenfone 5z ZS620KL:
    165 g
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Zenfone 5z ZS620KL:
    Qualcomm SDM636 Snapdragon 636 (14 nm)
  • Release year

    Alpha:
    2019
    Zenfone 5z ZS620KL:
    2018

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. Alpha

    Height:
    151.7 mm
    Width:
    75.8 mm
    Depth:
    8.1 mm
  2. 2. Zenfone 5z ZS620KL

    Height:
    153 mm
    Width:
    75.7 mm
    Depth:
    7.7 mm

Weight

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

  1. 1. Alpha

    150 g

  2. 2. Zenfone 5z ZS620KL

    165 g

    +15 g versus Alpha

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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Zenfone 5z ZS620KL

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.7:9
    Approximate rectangular screen area:
    96.9 cm²

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 Alpha, Zenfone 5z ZS620KL, compared at the same storage capacity.
StorageAlphaZenfone 5z ZS620KL
32 GB 2 GB RAM Unknown
64 GB 3 GB RAM Unknown
Zenfone 5z ZS620KL: Original memory entry

64 GB · 4/6 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. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. Zenfone 5z ZS620KL

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. Alpha

    3200 mAh

  2. 2. Zenfone 5z ZS620KL

    3300 mAh

    +100 mAh versus Alpha

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. Alpha2. Zenfone 5z ZS620KL

Everyday essentials
Everyday essentials — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 153 Х 75.7 Х 7.7 mm
Weight
  • 150 g
  • 165 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 6.2" inch
Screen resolution
  • 720 x 1520 px
  • 1080 x 2246 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 64 GB
  • 4/6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 8.0 (Oreo)
  • upgradable to Android 9.0 (Pie); ZenUI 5
Chipset
  • Unisoc SC9863A (28nm)
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
NFC
  • Yes (64/3GB model only)
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 96.9 cm2
Screen format
  • 19:9 (height:width)
  • 18.7:9 (height:width)
Screen to body ratio
  • 82.1%
  • 83.6%
PPI /points per inch/
  • 269 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
Rear camera, main
  • 13 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 12 MP
  • f/1.8
  • 24mm (wide)
  • 1/2.55''
  • 1.4µm
  • PDAF
  • 4-axis OIS -8 MP
  • f/2.0
  • 12mm
  • 1/4''
  • 1.12µm
  • no AF
Functions
  • LED flash
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 8 MP
  • f/2.0
  • 24mm (wide)
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Octa-core Kryo 260
Graphics processor GPU
  • IMG8322
  • Adreno 509
GeekBench 4 Single Core * Unknown
  • 2383
GeekBench 4 Multi-Core * Unknown
  • 8554
GeekBench 4 RenderScript * Unknown
  • 13482
GeekBench 5 Single Core * Unknown
  • 504
GeekBench 5 Multi-Core * Unknown
  • 2152
General specs
General specs — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
Release date
  • 2019
  • August
  • 2018
  • February
Colors
  • Black
  • Green
  • Midnight Blue
  • Meteor Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 400 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1900 / 2100 - A version
  • B version HSDPA 850 / 900 / 2100 - C version -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - A version LTE band 1(2100)
  • 41(2500) - B version LTE band 1(2100)
  • 40(2300) - C version
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • v5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • 96% DCI-P3
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic -DTS Headphone X
Other features
Other features — specifications for Alpha, Zenfone 5z ZS620KL.
SpecificationAlphaZenfone 5z ZS620KL
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W