Asus Zenfone Zoom ZX551ML vs Infinix Zero 4

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

    Zero 4: 17.5 g lighter

    Zenfone Zoom ZX551ML:
    185 g
    Zero 4:
    167.5 g
  • Width

    Zero 4: 2.8 mm narrower

    Zenfone Zoom ZX551ML:
    78.8 mm
    Zero 4:
    76 mm
  • Chipset

    Zenfone Zoom ZX551ML:
    Intel Atom Z3590
    Zero 4:
    Mediatek MT6753 (28 nm)
  • Depth

    Zero 4: 4.2 mm thinner

    Zenfone Zoom ZX551ML:
    12 mm
    Zero 4:
    7.8 mm
  • Height

    Zero 4: 7.4 mm shorter

    Zenfone Zoom ZX551ML:
    158.9 mm
    Zero 4:
    151.5 mm
  • Release year

    Zenfone Zoom ZX551ML:
    2015
    Zero 4:
    2017

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 +7.4 mm versus Zero 4
    Width:
    78.8 mm +2.8 mm versus Zero 4
    Depth:
    12 mm +4.2 mm versus Zero 4
  2. 2. Zero 4

    Height:
    151.5 mm
    Width:
    76 mm
    Depth:
    7.8 mm

Weight

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

  1. 1. Zenfone Zoom ZX551ML

    185 g

    +17.5 g versus Zero 4

  2. 2. Zero 4

    167.5 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. Zero 4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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 Zenfone Zoom ZX551ML, Zero 4, compared at the same storage capacity.
StorageZenfone Zoom ZX551MLZero 4
32 GB Unknown 3 GB RAM
Zenfone Zoom ZX551ML: Original memory entry

32/64/128 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. Zero 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. Zenfone Zoom ZX551ML

    3000 mAh

  2. 2. Zero 4

    3200 mAh

    +200 mAh versus Zenfone Zoom ZX551ML

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. Zero 4

Everyday essentials
Everyday essentials — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
Dimensions (HxWxD)
  • 158.9 Х 78.8 Х 12 mm
  • 151.5 Х 76 Х 7.8 mm
Weight
  • 185 g
  • 167.5 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 1920 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
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
  • Android 6.0 (Marshmallow)
Chipset
  • Intel Atom Z3590
  • Mediatek MT6753 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.6%
  • 72.4%
PPI /points per inch/
  • 401 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 13 MP
  • f/2.7-4.8
  • 28(wide)-84mm(telephoto)
  • 3x optical zoom
  • OIS
  • laser AF
  • 16 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
Processor CPU
  • Quad-core 2.5 GHz
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • PowerVR G6430
  • Mali-T720MP3
Antutu 7 score *
  • 57145
  • 22135
GeekBench 4 Single Core * Unknown
  • 632
GeekBench 4 Multi-Core * Unknown
  • 2913
GeekBench 5 Single Core * Unknown
  • 110
GeekBench 5 Multi-Core * Unknown
  • 418
General specs
General specs — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
Release date
  • 2015
  • September
  • 2017
  • March
Colors
  • Pure Black
  • Ceramic White
  • Anthracite Grey
  • Champagne Gold
  • Barbie Pink
  • Filber Brown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
SIM card
  • Micro-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) LTE band 2(1900)
  • 4(1700/2100)
  • 28(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4+ 250/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
Radio
  • No
  • FM radio
Other features
Other features — specifications for Zenfone Zoom ZX551ML, Zero 4.
SpecificationZenfone Zoom ZX551MLZero 4
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min - For Europe
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass