Asus Zenfone 7 Pro ZS671KS vs Lava Iris X8

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 7 Pro ZS671KS:
    OLED
    Iris X8:
    LCD
  • Weight

    Iris X8: 70 g lighter

    Zenfone 7 Pro ZS671KS:
    230 g
    Iris X8:
    160 g
  • Width

    Iris X8: 6.3 mm narrower

    Zenfone 7 Pro ZS671KS:
    77.3 mm
    Iris X8:
    71 mm
  • Screen diagonal

    Iris X8: 1.67 in smaller diagonal

    Zenfone 7 Pro ZS671KS:
    6.67 in
    Iris X8:
    5 in
  • Rear camera layout

    Zenfone 7 Pro ZS671KS:
    Triple
    Iris X8:
    Single
  • Depth

    Iris X8: 1 mm thinner

    Zenfone 7 Pro ZS671KS:
    9.6 mm
    Iris X8:
    8.6 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 7 Pro ZS671KS

    Height:
    165.1 mm +21.7 mm versus Iris X8
    Width:
    77.3 mm +6.3 mm versus Iris X8
    Depth:
    9.6 mm +1 mm versus Iris X8
  2. 2. Iris X8

    Height:
    143.4 mm
    Width:
    71 mm
    Depth:
    8.6 mm

Weight

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

  1. 1. Zenfone 7 Pro ZS671KS

    230 g

    +70 g versus Iris X8

  2. 2. Iris X8

    160 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 7 Pro ZS671KS

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²
  2. 2. Iris X8

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

Zenfone 7 Pro ZS671KS has approximately 55.8% more rectangular screen area than Iris X8.

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 7 Pro ZS671KS, Iris X8, compared at the same storage capacity.
StorageZenfone 7 Pro ZS671KSIris X8
256 GB 8 GB RAM Unknown
Iris X8: Original memory entry

8 GB · 1 GB 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 7 Pro ZS671KS

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSDXC (dedicated slot)

2. Iris X8

NFC:
Unknown
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 7 Pro ZS671KS

    5000 mAh

    +2500 mAh versus Iris X8

  2. 2. Iris X8

    2500 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 7 Pro ZS671KS2. Iris X8

Everyday essentials
Everyday essentials — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
Dimensions (HxWxD)
  • 165.1 Х 77.3 Х 9.6 mm
  • 143.4 Х 71 Х 8.6 mm
Weight
  • 230 g
  • 160 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.67" inc
  • 5" inch
Screen resolution
  • 1080 x 2400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256GB 8GB RAM
  • 8 GB
  • 1 GB RAM/ 16 GB
  • 2 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Li-Po
  • non-removable
  • 2500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10
  • ZenUI 7
  • Android 4.4.2 (KitKat)
  • upgradable to 5.1 (Lollipop)
Chipset
  • - Qualcomm SM8250 Snapdragon 865+ (7 nm+)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 107.4 cm2
  • 68.9 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.2%
  • 67.7%
PPI /points per inch/ Unknown
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 6
  • Asahi Dragontrail Glass
Camera and Video

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

Camera and Video — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
Rear camera, main
  • 64 MP
  • Triple
  • 8 MP
  • Single
Camera specs
  • -64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF
  • OIS -8 MP
  • f/2.4
  • 80mm (telephoto)
  • OIS
  • 3x optical zoom -12 MP
  • f/2.2
  • 113˚
  • 17mm (ultrawide)
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • 8 MP
Functions
  • Dual-LED flash
  • HDR
  • auto panorama
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 8K@30fps
  • 4K@30/60/120fps
  • 1080p@30/60/240fps
  • 720p@480fps; gyro-EIS
  • HDR
  • Yes
Front camera, selfie
  • 64 MP
  • Triple
  • 3 MP
  • Single
Specifications
  • Motorized flip-up
  • uses main camera
  • 3 MP
DxOMark Main Score *
  • 115
Unknown
DxOMark Photo *
  • 104
Unknown
DxOMark Video *
  • 96
Unknown
DxOMark Selfie Score *
  • 101
Unknown
Performance
Performance — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
Processor CPU
  • - Octa-core (1x3.1 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Octa-core 1.4 GHz Cortex-A7
Graphics processor GPU
  • - Adreno 650
Unknown
General specs
General specs — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
Release date
  • 2020
  • August 26
  • 2015
  • February
Colors
  • Aurora Black
  • Pastel White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 291 h Talking time- Up to 14 h (2G) / Up to 9 h 40 min (3G)
Body build
  • Glass front (Gorilla Glass 6)
  • glass back (Gorilla Glass 3)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - 1
  • 2
  • 3
  • 4
  • 5
  • 7
  • 8
  • 12
  • 17
  • 18
  • 19
  • 20
  • 26
  • 28
  • 29
  • 38
  • 39
  • 40
  • 41 -5G - 1
  • 77
  • 78 SA/NSA
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat19 1800/150 Mbps
  • 5G 3.6 Gbps DL
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/6
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • QZSS
  • NavIC
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX Adaptive
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
Radio
  • No
  • FM radio
Others
  • - HDR10+ -90Hz refresh rate -700 nits typ. brightness
  • - 24-bit/192kHz audio
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone 7 Pro ZS671KS, Iris X8.
SpecificationZenfone 7 Pro ZS671KSIris X8
Dop
  • - Sensors - Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W
  • 60% in 34 min
  • 100% in 93 min -USB Power Delivery 3.0 -Reverse charging
  • Sensors Accelerometer
  • proximity - For India