Asus Zenfone 4 Pro ZS551KL vs Nokia 2.2

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 4 Pro ZS551KL:
    OLED
    2.2:
    LCD
  • Weight

    2.2: 22 g lighter

    Zenfone 4 Pro ZS551KL:
    175 g
    2.2:
    153 g
  • Width

    2.2: 5 mm narrower

    Zenfone 4 Pro ZS551KL:
    75.6 mm
    2.2:
    70.6 mm
  • Screen diagonal

    Zenfone 4 Pro ZS551KL: 0.21 in smaller diagonal

    Zenfone 4 Pro ZS551KL:
    5.5 in
    2.2:
    5.71 in
  • Chipset

    Zenfone 4 Pro ZS551KL:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
    2.2:
    Mediatek MT6761 Helio A22 (12 nm)
  • Rear camera layout

    Zenfone 4 Pro ZS551KL:
    Dual
    2.2:
    Single

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 +10.9 mm versus 2.2
    Width:
    75.6 mm +5 mm versus 2.2
    Depth:
    7.6 mm
  2. 2. 2.2

    Height:
    146 mm
    Width:
    70.6 mm
    Depth:
    9.3 mm +1.7 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

    +22 g versus 2.2

  2. 2. 2.2

    153 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. 2.2

    Screen diagonal:
    5.71 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    81.4 cm²

Zenfone 4 Pro ZS551KL has approximately 2.5% more rectangular screen area than 2.2.

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, 2.2, compared at the same storage capacity.
StorageZenfone 4 Pro ZS551KL2.2
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
2.2: Original memory entry

32 GB · 3 RAM 16 GB · 2 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. 2.2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 GB

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

    +600 mAh versus 2.2

  2. 2. 2.2

    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 4 Pro ZS551KL2. 2.2

Everyday essentials
Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
Dimensions (HxWxD)
  • 156.9 Х 75.6 Х 7.6 mm
  • 146 Х 70.6 Х 9.3 mm
Weight
  • 175 g
  • 153 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.71" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1520 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
  • 32 GB
  • 3 RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 400 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Li-Ion
Operating system OS
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8 (Oreo); ZenUI 4
  • Android 9.0 (Pie); Android One
Chipset
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Mediatek MT6761 Helio A22 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 81.4 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 70.3%
  • 79.0%
PPI /points per inch/
  • 401 PPI
  • 295 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
Rear camera, main
  • 12 MP
  • Dual
  • 13 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
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • AF
Functions
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/1.9
  • 1/3.2''
  • 22mm (wide)
  • 1.4µm
  • PDAF
  • 5 MP
Performance

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

Performance — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
Processor CPU
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
  • Quad-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 540
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 56321
General specs
General specs — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
Release date
  • 2017
  • August
  • 2019
  • June
Colors
  • Moonlight White
  • Pure Black
  • steel
  • Tungsten Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 90 EUR
Battery life
  • Talking time- Up to 27 h 30 min (3G)
Unknown
Body build
  • Front/back glass (Gorilla Glass 5) & aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 (Dual SIM model only) GSM 900 / 1800 - India -3G - HSDPA 850 / 900 / 2100 - APAC
  • EMEA
  • India -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - APAC
  • EMEA LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 or 100 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
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
Radio
  • FM radio
  • FM radio
Others
  • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
  • Always-on display
Other features
Other features — specifications for Zenfone 4 Pro ZS551KL, 2.2.
SpecificationZenfone 4 Pro ZS551KL2.2
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging: 50% in 32 min
  • Sensors Accelerometer
  • proximity