Asus Zenfone 4 Pro ZS551KL vs Google Pixel 3

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Pixel 3: 27 g lighter

    Zenfone 4 Pro ZS551KL:
    175 g
    Pixel 3:
    148 g
  • Width

    Pixel 3: 7.4 mm narrower

    Zenfone 4 Pro ZS551KL:
    75.6 mm
    Pixel 3:
    68.2 mm
  • Chipset

    Zenfone 4 Pro ZS551KL:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
    Pixel 3:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Zenfone 4 Pro ZS551KL:
    Dual
    Pixel 3:
    Single
  • Height

    Pixel 3: 11.3 mm shorter

    Zenfone 4 Pro ZS551KL:
    156.9 mm
    Pixel 3:
    145.6 mm
  • Release year

    Zenfone 4 Pro ZS551KL:
    2017
    Pixel 3:
    2018

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 +11.3 mm versus Pixel 3
    Width:
    75.6 mm +7.4 mm versus Pixel 3
    Depth:
    7.6 mm
  2. 2. Pixel 3

    Height:
    145.6 mm
    Width:
    68.2 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. Zenfone 4 Pro ZS551KL

    175 g

    +27 g versus Pixel 3

  2. 2. Pixel 3

    148 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. Pixel 3

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²

Zenfone 4 Pro ZS551KL has approximately 6.8% more rectangular screen area than Pixel 3.

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, Pixel 3, compared at the same storage capacity.
StorageZenfone 4 Pro ZS551KLPixel 3
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
Pixel 3: Original memory entry

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 4 Pro ZS551KL

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

2. Pixel 3

NFC:
Yes
Headphone jack:
No
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 4 Pro ZS551KL

    3600 mAh

    +685 mAh versus Pixel 3

  2. 2. Pixel 3

    2915 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. Pixel 3

Everyday essentials
Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
Dimensions (HxWxD)
  • 156.9 Х 75.6 Х 7.6 mm
  • 145.6 Х 68.2 Х 7.9 mm
Weight
  • 175 g
  • 148 g
Technology
  • AMOLED
  • P-OLED
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2160 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
  • 64/128 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 2915 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8 (Oreo); ZenUI 4
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 76.7 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 70.3%
  • 77.2%
PPI /points per inch/
  • 401 PPI
  • 443 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
Rear camera, main
  • 12 MP
  • Dual
  • 12.2 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
  • 12.2 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF
Functions
  • HDR
  • Auto-HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Dual
Specifications
  • 8 MP
  • f/1.9
  • 1/3.2''
  • 22mm (wide)
  • 1.4µm
  • PDAF
  • 8 MP
  • f/1.8
  • 28mm (wide)
  • PDAF 8 MP
  • f/2.2
  • 19mm (ultrawide)
  • no AF
DxOMark Main Score * Unknown
  • 102
DxOMark Photo * Unknown
  • 99
DxOMark Video * Unknown
  • 83
DxOMark Selfie Score * Unknown
  • 92
Performance

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

Performance — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
Processor CPU
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
  • Octa-core (4x2.5 GHz Kryo 385 Gold & 4x1.6 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 540
  • Adreno 630
Antutu 7 score * Unknown
  • 275832
GeekBench 4 Single Core * Unknown
  • 2244
GeekBench 4 Multi-Core * Unknown
  • 7771
GeekBench 4 RenderScript * Unknown
  • 13217
GeekBench 5 Single Core * Unknown
  • 476
GeekBench 5 Multi-Core * Unknown
  • 1871
General specs
General specs — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
Release date
  • 2017
  • August
  • 2018
  • October
Colors
  • Moonlight White
  • Pure Black
  • Clearly White
  • Just Black
  • Not Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 850 EUR
Battery life
  • Talking time- Up to 27 h 30 min (3G)
Unknown
Body build
  • Front/back glass (Gorilla Glass 5) & aluminum frame
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Nano-SIM card & eSIM
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 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)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 42(3500)
  • 46
  • 66(1700/2100)
  • 71(600)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 or 100 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat16 1024/75 Mbps
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/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • Type-C 1.0 reversible connector
  • 3.1
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
Radio
  • FM radio
  • No
Others
  • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
  • Always-on display -100% DCI-P3 -HDR
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone 4 Pro ZS551KL, Pixel 3.
SpecificationZenfone 4 Pro ZS551KLPixel 3
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging: 50% in 32 min
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 9V/2A 18W -QI wireless charging - IP68 dust/water resistant (up to 1.5m for 30 mins)