Asus PadFone E vs Asus Zenfone Zoom ZX551ML

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

    PadFone E: 59 g lighter

    PadFone E:
    126 g
    Zenfone Zoom ZX551ML:
    185 g
  • Width

    PadFone E: 9.1 mm narrower

    PadFone E:
    69.7 mm
    Zenfone Zoom ZX551ML:
    78.8 mm
  • Screen diagonal

    PadFone E: 0.8 in smaller diagonal

    PadFone E:
    4.7 in
    Zenfone Zoom ZX551ML:
    5.5 in
  • Chipset

    PadFone E:
    Qualcomm Snapdragon 400 (28 nm)
    Zenfone Zoom ZX551ML:
    Intel Atom Z3590
  • Depth

    PadFone E: 2.9 mm thinner

    PadFone E:
    9.1 mm
    Zenfone Zoom ZX551ML:
    12 mm
  • Height

    PadFone E: 19.3 mm shorter

    PadFone E:
    139.6 mm
    Zenfone Zoom ZX551ML:
    158.9 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. PadFone E

    Height:
    139.6 mm
    Width:
    69.7 mm
    Depth:
    9.1 mm
  2. 2. Zenfone Zoom ZX551ML

    Height:
    158.9 mm +19.3 mm versus PadFone E
    Width:
    78.8 mm +9.1 mm versus PadFone E
    Depth:
    12 mm +2.9 mm versus PadFone E

Weight

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

  1. 1. PadFone E

    126 g

  2. 2. Zenfone Zoom ZX551ML

    185 g

    +59 g versus PadFone E

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. PadFone E

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Zenfone Zoom ZX551ML

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

Zenfone Zoom ZX551ML has approximately 36.9% more rectangular screen area than PadFone E.

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.

PadFone E: Original memory entry

1 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. PadFone E

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

2. Zenfone Zoom ZX551ML

NFC:
Yes
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. PadFone E

    1820 mAh

  2. 2. Zenfone Zoom ZX551ML

    3000 mAh

    +1180 mAh versus PadFone E

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. PadFone E2. Zenfone Zoom ZX551ML

Everyday essentials
Everyday essentials — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
Dimensions (HxWxD)
  • 139.6 Х 69.7 Х 9.1 mm
  • 158.9 Х 78.8 Х 12 mm
Weight
  • 126 g
  • 185 g
Technology
  • Super IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB RAM
  • 32/64/128 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1820 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.3 (Jelly Bean)
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Intel Atom Z3590
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 62.6%
  • 66.6%
PPI /points per inch/
  • 312 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 13 MP
  • f/2.7-4.8
  • 28(wide)-84mm(telephoto)
  • 3x optical zoom
  • OIS
  • laser AF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.2 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
Processor CPU
  • Quad-core 1.4 GHz Cortex-A7
  • Quad-core 2.5 GHz
Graphics processor GPU
  • Adreno 305
  • PowerVR G6430
Antutu 7 score * Unknown
  • 57145
General specs
General specs — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
Release date
  • 2014
  • January
  • 2015
  • September
Colors
  • Black
  • White
  • Pure Black
  • Ceramic White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 270 h (2G) / Up to 330 h (3G) Talking time- Up to 27 h (2G) / Up to 15 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
SIM card
  • Dual SIM (dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4+ 250/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for PadFone E, Zenfone Zoom ZX551ML.
SpecificationPadFone EZenfone Zoom ZX551ML
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Padfone Station with 10.1 inches Super IPS display
  • 1280 x 720 pixels
  • 181.5 x 263.6 x 17.4 mm
  • 525.7 g
  • 5000 mAh battery.
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min - For Europe