Asus Zenfone Zoom ZX551ML vs Google Pixel 3a

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.

  • Display technology

    OLED versus LCD

    Zenfone Zoom ZX551ML:
    LCD
    Pixel 3a:
    OLED
  • Weight

    Pixel 3a: 38 g lighter

    Zenfone Zoom ZX551ML:
    185 g
    Pixel 3a:
    147 g
  • Width

    Pixel 3a: 8.7 mm narrower

    Zenfone Zoom ZX551ML:
    78.8 mm
    Pixel 3a:
    70.1 mm
  • Chipset

    Zenfone Zoom ZX551ML:
    Intel Atom Z3590
    Pixel 3a:
    Qualcomm SDM670 Snapdragon 670 (10 nm)
  • Depth

    Pixel 3a: 3.8 mm thinner

    Zenfone Zoom ZX551ML:
    12 mm
    Pixel 3a:
    8.2 mm
  • Height

    Pixel 3a: 7.6 mm shorter

    Zenfone Zoom ZX551ML:
    158.9 mm
    Pixel 3a:
    151.3 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. Zenfone Zoom ZX551ML

    Height:
    158.9 mm +7.6 mm versus Pixel 3a
    Width:
    78.8 mm +8.7 mm versus Pixel 3a
    Depth:
    12 mm +3.8 mm versus Pixel 3a
  2. 2. Pixel 3a

    Height:
    151.3 mm
    Width:
    70.1 mm
    Depth:
    8.2 mm

Weight

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

  1. 1. Zenfone Zoom ZX551ML

    185 g

    +38 g versus Pixel 3a

  2. 2. Pixel 3a

    147 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. Zenfone Zoom ZX551ML

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Pixel 3a

    Screen diagonal:
    5.6 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    79.6 cm²

Zenfone Zoom ZX551ML has approximately 4.8% more rectangular screen area than Pixel 3a.

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.

Zenfone Zoom ZX551ML: Original memory entry

32/64/128 GB · 512GB 4GB

Pixel 3a: 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. Zenfone Zoom ZX551ML

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Pixel 3a

NFC:
Yes
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. Zenfone Zoom ZX551ML

    3000 mAh

  2. 2. Pixel 3a

    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. Zenfone Zoom ZX551ML2. Pixel 3a

Everyday essentials
Everyday essentials — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
Dimensions (HxWxD)
  • 158.9 Х 78.8 Х 12 mm
  • 151.3 Х 70.1 Х 8.2 mm
Weight
  • 185 g
  • 147 g
Technology
  • IPS LCD
  • OLED
Screen size
  • 5.5" inch
  • 5.6" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32/64/128 GB
  • 512GB 4GB
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
  • Android 9.0 (Pie)
Chipset
  • Intel Atom Z3590
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • Type OLED
Screen area
  • 83.4 cm2
  • 79.6 cm2
Screen format
  • 16:9 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 66.6%
  • 75.0%
PPI /points per inch/
  • 401 PPI
  • 441 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Asahi Dragontrail Glass
Camera and Video

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

Camera and Video — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
Rear camera, main
  • 13 MP
  • Single
  • 12.2 MP
  • Single
Camera specs
  • 13 MP
  • f/2.7-4.8
  • 28(wide)-84mm(telephoto)
  • 3x optical zoom
  • OIS
  • laser AF
  • 12.2 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 8 MP
  • f/2.0
  • 24mm (wide)
  • 1.12µm
DxOMark Main Score * Unknown
  • 101
DxOMark Photo * Unknown
  • 104
DxOMark Video * Unknown
  • 95
Performance

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

Performance — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
Processor CPU
  • Quad-core 2.5 GHz
  • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU
  • PowerVR G6430
  • Adreno 615
Antutu 7 score *
  • 57145
  • 159213
GeekBench 4 Single Core * Unknown
  • 1603
GeekBench 4 Multi-Core * Unknown
  • 5206
GeekBench 4 RenderScript * Unknown
  • 6426
GeekBench 4 Battery * Unknown
  • 4895
GeekBench 5 Single Core * Unknown
  • 345
GeekBench 5 Multi-Core * Unknown
  • 1300
General specs
General specs — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
Release date
  • 2015
  • September
  • 2019
  • May
Colors
  • Pure Black
  • Ceramic White
  • Just Black
  • Clearly White
  • Purple-ish
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 400 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
SIM card
  • Micro-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 9(1800)
  • 18(800)
  • 19(800)
  • 28(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4+ 250/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
Radio
  • No
Unknown
Others Unknown
  • Always-on display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone Zoom ZX551ML, Pixel 3a.
SpecificationZenfone Zoom ZX551MLPixel 3a
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min - For Europe
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 18W -USB Power Delivery 2.0 - Versions: G020A
  • G020E
  • G020B