A1 Alpha vs Asus Zenfone Go ZB551KL

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: 10 g lighter

    Alpha:
    150 g
    Zenfone Go ZB551KL:
    160 g
  • Width

    Alpha: 1.1 mm narrower

    Alpha:
    75.8 mm
    Zenfone Go ZB551KL:
    76.9 mm
  • Screen diagonal

    Zenfone Go ZB551KL: 0.76 in smaller diagonal

    Alpha:
    6.26 in
    Zenfone Go ZB551KL:
    5.5 in
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Zenfone Go ZB551KL:
    Qualcomm MSM8928 Snapdragon 400 (28 nm)
  • Rear camera layout

    Alpha:
    Dual
    Zenfone Go ZB551KL:
    Single
  • Depth

    Alpha: 2.6 mm thinner

    Alpha:
    8.1 mm
    Zenfone Go ZB551KL:
    10.7 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. Alpha

    Height:
    151.7 mm
    Width:
    75.8 mm
    Depth:
    8.1 mm
  2. 2. Zenfone Go ZB551KL

    Height:
    151 mm
    Width:
    76.9 mm +1.1 mm versus Alpha
    Depth:
    10.7 mm +2.6 mm versus Alpha

Weight

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

  1. 1. Alpha

    150 g

  2. 2. Zenfone Go ZB551KL

    160 g

    +10 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 Go ZB551KL

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

Alpha has approximately 17.3% more rectangular screen area than Zenfone Go ZB551KL.

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 Go ZB551KL, compared at the same storage capacity.
StorageAlphaZenfone Go ZB551KL
16 GB Not recorded 2 GB RAM
32 GB Recorded for all phones 2 GB RAM 2 GB RAM
64 GB 3 GB RAM Not recorded

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 Go ZB551KL

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

    +190 mAh versus Zenfone Go ZB551KL

  2. 2. Zenfone Go ZB551KL

    3010 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. Alpha2. Zenfone Go ZB551KL

Everyday essentials
Everyday essentials — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 151 Х 76.9 Х 10.7 mm
Weight
  • 150 g
  • 160 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 5.5" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1280 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
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 3010 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 5.1 (Lollipop)
Chipset
  • Unisoc SC9863A (28nm)
  • Qualcomm MSM8928 Snapdragon 400 (28 nm)
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 83.4 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.1%
  • 71.8%
PPI /points per inch/
  • 269 PPI
  • 267 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 8 MP or 13 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Quad-core 1.6 GHz Cortex-A7
Graphics processor GPU
  • IMG8322
  • Adreno 305
Antutu 7 score * Unknown
  • 23458
General specs
General specs — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
Release date
  • 2019
  • August
  • 2016
  • April
Colors
  • Black
  • Green
  • Charcoal Black
  • Pearl White
  • Lake Blue
  • Glacier Gray
  • Sheer Gold
  • Glamour Red
  • Floral Pink
  • Silver Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 150 EUR
Battery life Unknown
  • Stand by time- Up to 335 h (3G) Talking time- Up to 16 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-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 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - Global LTE band 1(2100)
  • 5(850) - India
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, Zenfone Go ZB551KL.
SpecificationAlphaZenfone Go ZB551KL
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity