Asus Zenfone 4 Pro ZS551KL vs Pantech Discover

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

    Discover: 40 g lighter

    Zenfone 4 Pro ZS551KL:
    175 g
    Discover:
    135 g
  • Width

    Discover: 7 mm narrower

    Zenfone 4 Pro ZS551KL:
    75.6 mm
    Discover:
    68.6 mm
  • Screen diagonal

    Discover: 0.7 in smaller diagonal

    Zenfone 4 Pro ZS551KL:
    5.5 in
    Discover:
    4.8 in
  • Chipset

    Zenfone 4 Pro ZS551KL:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
    Discover:
    Qualcomm MSM8960 Snapdragon S4 Plus
  • Rear camera layout

    Zenfone 4 Pro ZS551KL:
    Dual
    Discover:
    Single
  • Depth

    Zenfone 4 Pro ZS551KL: 1.5 mm thinner

    Zenfone 4 Pro ZS551KL:
    7.6 mm
    Discover:
    9.1 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 4 Pro ZS551KL

    Height:
    156.9 mm +22.7 mm versus Discover
    Width:
    75.6 mm +7 mm versus Discover
    Depth:
    7.6 mm
  2. 2. Discover

    Height:
    134.2 mm
    Width:
    68.6 mm
    Depth:
    9.1 mm +1.5 mm versus Zenfone 4 Pro ZS551KL

Weight

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

  1. 1. Zenfone 4 Pro ZS551KL

    175 g

    +40 g versus Discover

  2. 2. Discover

    135 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 4 Pro ZS551KL

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

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

Zenfone 4 Pro ZS551KL has approximately 31.3% more rectangular screen area than Discover.

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 4 Pro ZS551KL, Discover, compared at the same storage capacity.
StorageZenfone 4 Pro ZS551KLDiscover
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
Discover: Original memory entry

16 GB (13 GB user available) · 1 GB RAM

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 4 Pro ZS551KL

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. Discover

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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 4 Pro ZS551KL

    3600 mAh

    +1500 mAh versus Discover

  2. 2. Discover

    2100 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 4 Pro ZS551KL2. Discover

Everyday essentials
Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
Dimensions (HxWxD)
  • 156.9 Х 75.6 Х 7.6 mm
  • 134.2 Х 68.6 Х 9.1 mm
Weight
  • 175 g
  • 135 g
Technology
  • AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 4.8" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6 GB RAM
  • 16 GB (13 GB user available)
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8 (Oreo); ZenUI 4
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Qualcomm MSM8960 Snapdragon S4 Plus
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 63.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 70.3%
  • 69.0%
PPI /points per inch/
  • 401 PPI
  • 306 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
Rear camera, main
  • 12 MP
  • Dual
  • 12.6 MP
  • Single
Camera specs
  • 12 MP
  • f/1.7
  • 25mm (wide)
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF & laser AF -16 MP
  • 50mm (telephoto)
  • 1/3.1''
  • 1.0µm
  • 2x optical zoom
  • AF
  • 12.6 MP
  • AF
Functions
  • HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/1.9
  • 1/3.2''
  • 22mm (wide)
  • 1.4µm
  • PDAF
  • 2 MP
Performance
Performance — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
Processor CPU
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
  • Dual-core 1.5 GHz Krait
Graphics processor GPU
  • Adreno 540
  • Adreno 225
General specs
General specs — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
Release date
  • 2017
  • August
  • 2013
  • January
Colors
  • Moonlight White
  • Pure Black
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 370 EUR
Battery life
  • Talking time- Up to 27 h 30 min (3G)
  • Stand by time- Up to 430 h Talking time- Up to 10 h
Body build
  • Front/back glass (Gorilla Glass 5) & aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 19(800)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global
  • Taiwan LTE band 1(2100)
  • 12(700)
  • 18(800)
  • 26(850)
  • 29(700)
  • 30(2300)
  • 41(2500) - US
  • Canada
  • Brazil LTE band 1(2100)
  • 41(2500) - India
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 or 100 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
Radio
  • FM radio
  • No
Others
  • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone 4 Pro ZS551KL, Discover.
SpecificationZenfone 4 Pro ZS551KLDiscover
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging: 50% in 32 min
  • Sensors Accelerometer
  • proximity
  • compass - For AT&T