A1 Alpha vs Asus Zenfone 2 Deluxe ZE551ML

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: 20 g lighter

    Alpha:
    150 g
    Zenfone 2 Deluxe ZE551ML:
    170 g
  • Width

    Alpha: 1.4 mm narrower

    Alpha:
    75.8 mm
    Zenfone 2 Deluxe ZE551ML:
    77.2 mm
  • Screen diagonal

    Zenfone 2 Deluxe ZE551ML: 0.76 in smaller diagonal

    Alpha:
    6.26 in
    Zenfone 2 Deluxe ZE551ML:
    5.5 in
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Zenfone 2 Deluxe ZE551ML:
    Intel Atom Z3580 -Intel Atom Z3560 -Intel Atom Z3590
  • Rear camera layout

    Alpha:
    Dual
    Zenfone 2 Deluxe ZE551ML:
    Single
  • Depth

    Alpha: 2.8 mm thinner

    Alpha:
    8.1 mm
    Zenfone 2 Deluxe ZE551ML:
    10.9 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. Alpha

    Height:
    151.7 mm
    Width:
    75.8 mm
    Depth:
    8.1 mm
  2. 2. Zenfone 2 Deluxe ZE551ML

    Height:
    152.5 mm
    Width:
    77.2 mm +1.4 mm versus Alpha
    Depth:
    10.9 mm +2.8 mm versus Alpha

Weight

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

  1. 1. Alpha

    150 g

  2. 2. Zenfone 2 Deluxe ZE551ML

    170 g

    +20 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 2 Deluxe ZE551ML

    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 2 Deluxe ZE551ML.

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 2 Deluxe ZE551ML, compared at the same storage capacity.
StorageAlphaZenfone 2 Deluxe ZE551ML
32 GB 2 GB RAM Unknown
64 GB 3 GB RAM Unknown
Zenfone 2 Deluxe ZE551ML: Original memory entry

64/128 GB · 4 GB RAM128/256 GB · 4 GB RAM (Special Edition)

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 2 Deluxe ZE551ML

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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

    +200 mAh versus Zenfone 2 Deluxe ZE551ML

  2. 2. Zenfone 2 Deluxe ZE551ML

    3000 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 2 Deluxe ZE551ML

Everyday essentials
Everyday essentials — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 152.5 Х 77.2 Х 10.9 mm
Weight
  • 150 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 5.5" inch
Screen resolution
  • 720 x 1520 px
  • 1080 x 1920 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
  • 64/128 GB
  • 4 GB RAM128/256 GB
  • 4 GB RAM (Special Edition)
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
Chipset
  • Unisoc SC9863A (28nm)
  • Intel Atom Z3580 -Intel Atom Z3560 -Intel Atom Z3590
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
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%
  • 70.8%
PPI /points per inch/
  • 269 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
Rear camera, main
  • 13 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 13 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • HDR
  • Dual-LED dual-tone flash
  • panorama
  • HDR
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
Performance — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Quad-core 2.3 GHz -Quad-core 1.8 GHz -Quad-core 2.5 GHz
Graphics processor GPU
  • IMG8322
  • PowerVR G6430
General specs
General specs — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
Release date
  • 2019
  • August
  • 2015
  • August
Colors
  • Black
  • Green
  • White
  • Pink
  • PurpleSilver Polygon/Carbon Night (Black) - Special Edition
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 350 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
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 TD-SCDMA - India -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 9(1800)
  • 18(800)
  • 19(800)
  • 28(700) - Taiwan LTE band 1(2100)
  • 7(2600)
  • 20(800) - Global LTE band 1(2100)
  • 17(700)
  • 20(800) - US LTE band 1(2100)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - India
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4+ 250/50 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps (Special Edition)
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
  • 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
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR EU - 0.35 W/kg (head)
Music and Audio
Music and Audio — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
Radio
  • FM radio
  • FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, Zenfone 2 Deluxe ZE551ML.
SpecificationAlphaZenfone 2 Deluxe ZE551ML
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min - Also known as Asus Zenfone 2 Deluxe Special Edition