Asus Zenfone 7 Pro ZS671KS vs O2 XDA Stellar

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

    XDA Stellar: 40 g lighter

    Zenfone 7 Pro ZS671KS:
    230 g
    XDA Stellar:
    190 g
  • Width

    XDA Stellar: 18.3 mm narrower

    Zenfone 7 Pro ZS671KS:
    77.3 mm
    XDA Stellar:
    59 mm
  • Screen diagonal

    XDA Stellar: 3.87 in smaller diagonal

    Zenfone 7 Pro ZS671KS:
    6.67 in
    XDA Stellar:
    2.8 in
  • Rear camera layout

    Zenfone 7 Pro ZS671KS:
    Triple
    XDA Stellar:
    Single
  • Depth

    Zenfone 7 Pro ZS671KS: 9 mm thinner

    Zenfone 7 Pro ZS671KS:
    9.6 mm
    XDA Stellar:
    18.6 mm
  • Height

    XDA Stellar: 53.1 mm shorter

    Zenfone 7 Pro ZS671KS:
    165.1 mm
    XDA Stellar:
    112 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 +53.1 mm versus XDA Stellar
    Width:
    77.3 mm +18.3 mm versus XDA Stellar
    Depth:
    9.6 mm
  2. 2. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +9 mm versus Zenfone 7 Pro ZS671KS

Weight

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

  1. 1. Zenfone 7 Pro ZS671KS

    230 g

    +40 g versus XDA Stellar

  2. 2. XDA Stellar

    190 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. XDA Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

Zenfone 7 Pro ZS671KS has approximately 342.4% more rectangular screen area than XDA Stellar.

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, XDA Stellar, compared at the same storage capacity.
StorageZenfone 7 Pro ZS671KSXDA Stellar
256 GB 8 GB RAM Unknown
XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

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. XDA Stellar

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

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

    +3650 mAh versus XDA Stellar

  2. 2. XDA Stellar

    1350 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. XDA Stellar

Everyday essentials
Everyday essentials — specifications for Zenfone 7 Pro ZS671KS, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
Dimensions (HxWxD)
  • 165.1 Х 77.3 Х 9.6 mm
  • 112 Х 59 Х 18.6 mm
Weight
  • 230 g
  • 190 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.67" inc
  • 2.8" inch
Screen resolution
  • 1080 x 2400 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256GB 8GB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Li-Po
  • non-removable
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10
  • ZenUI 7
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • - Qualcomm SM8250 Snapdragon 865+ (7 nm+)
  • Qualcomm MSM7200
NFC
  • Yes
Unknown
Headphone jack
  • No
  • No
Display
Display — specifications for Zenfone 7 Pro ZS671KS, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 107.4 cm2
  • 24.3 cm2
Screen format
  • 20:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 84.2%
  • 36.7%
PPI /points per inch/ Unknown
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
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, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
Rear camera, main
  • 64 MP
  • Triple
  • 3.15 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
  • 3.15 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • auto panorama
Unknown
Video
  • 8K@30fps
  • 4K@30/60/120fps
  • 1080p@30/60/240fps
  • 720p@480fps; gyro-EIS
  • HDR
  • Yes
Front camera, selfie
  • 64 MP
  • Triple
  • 0.3 MP
  • Single
Specifications
  • Motorized flip-up
  • uses main camera
  • VGA videocall camera
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, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
Processor CPU
  • - Octa-core (1x3.1 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • 400 MHz ARM 11
Graphics processor GPU
  • - Adreno 650
  • Adreno 130
General specs
General specs — specifications for Zenfone 7 Pro ZS671KS, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
Release date
  • 2020
  • August 26
  • 2007
  • November
Colors
  • Aurora Black
  • Pastel White
  • Silver
Battery life Unknown
  • Stand by time- Up to 365 h Talking time- Up to 5 h
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, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat19 1800/150 Mbps
  • 5G 3.6 Gbps DL
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/6
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • QZSS
  • NavIC
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX Adaptive
  • 2.0
Music and Audio
Music and Audio — specifications for Zenfone 7 Pro ZS671KS, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
Radio
  • No
  • No
Others
  • - HDR10+ -90Hz refresh rate -700 nits typ. brightness
  • - 24-bit/192kHz audio
  • Handwriting recognition
Other features
Other features — specifications for Zenfone 7 Pro ZS671KS, XDA Stellar.
SpecificationZenfone 7 Pro ZS671KSXDA Stellar
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
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform