Asus Zenfone 7 ZS670KS vs Acer DX900

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

    DX900: 83 g lighter

    Zenfone 7 ZS670KS:
    230 g
    DX900:
    147 g
  • Width

    DX900: 16.8 mm narrower

    Zenfone 7 ZS670KS:
    77.3 mm
    DX900:
    60.5 mm
  • Screen diagonal

    DX900: 3.87 in smaller diagonal

    Zenfone 7 ZS670KS:
    6.67 in
    DX900:
    2.8 in
  • Rear camera layout

    Zenfone 7 ZS670KS:
    Triple
    DX900:
    Single
  • Depth

    Zenfone 7 ZS670KS: 7.4 mm thinner

    Zenfone 7 ZS670KS:
    9.6 mm
    DX900:
    17 mm
  • Height

    DX900: 59.1 mm shorter

    Zenfone 7 ZS670KS:
    165.1 mm
    DX900:
    106 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 ZS670KS

    Height:
    165.1 mm +59.1 mm versus DX900
    Width:
    77.3 mm +16.8 mm versus DX900
    Depth:
    9.6 mm
  2. 2. DX900

    Height:
    106 mm
    Width:
    60.5 mm
    Depth:
    17 mm +7.4 mm versus Zenfone 7 ZS670KS

Weight

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

  1. 1. Zenfone 7 ZS670KS

    230 g

    +83 g versus DX900

  2. 2. DX900

    147 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 ZS670KS

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²
  2. 2. DX900

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

Zenfone 7 ZS670KS has approximately 342.4% more rectangular screen area than DX900.

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 ZS670KS, DX900, compared at the same storage capacity.
StorageZenfone 7 ZS670KSDX900
128 GB 6 / 8 GB RAM Alternative RAM configurations Unknown
DX900: 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 ZS670KS

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

2. DX900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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 ZS670KS2. DX900

Everyday essentials
Everyday essentials — specifications for Zenfone 7 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
Dimensions (HxWxD)
  • 165.1 Х 77.3 Х 9.6 mm
  • 106 Х 60.5 Х 17 mm
Weight
  • 230 g
  • 147 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.67" inc
  • 2.8" inch
Screen resolution
  • 1080 x 2400 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 6GB RAM
  • 128GB 8GB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSDXC (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 10
  • ZenUI 7
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • - Qualcomm SM8250 Snapdragon 865 (7 nm+)
Unknown
NFC
  • Yes
  • Super AMOLED
Headphone jack
  • No
  • panorama
Display
Display — specifications for Zenfone 7 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
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%
  • 37.9%
PPI /points per inch/ Unknown
  • 286 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 7 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
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 -8 MP
  • f/2.4
  • 80mm (telephoto)
  • PDAF
  • 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
  • Dual-LED flash
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
Performance
Performance — specifications for Zenfone 7 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
Processor CPU
  • - Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
  • 533 MHz Samsung S3C 6410
Graphics processor GPU
  • - Adreno 650
Unknown
General specs
General specs — specifications for Zenfone 7 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
Release date
  • 2020
  • August 26
  • 2009
  • February
Colors
  • Aurora Black
  • Pastel White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 600 EUR
  • 90 EUR
Battery life Unknown
  • Stand by time- Up to 150 h Talking time- Up to10 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 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (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 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat19 1800/150 Mbps
  • 5G 3.6 Gbps DL
  • HSPA 7.2/0.384 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 802.11 b/g/n
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • QZSS
  • NavIC
  • Yes
  • SiRF Star III chipset
USB
  • Type-C 1.0 reversible connector
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX Adaptive
  • microUSB 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Zenfone 7 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
Radio
  • No
  • panorama
Others
  • - HDR10+ -90Hz refresh rate -700 nits typ. brightness
  • - 24-bit/192kHz audio
  • Handwriting recognition
Other features
Other features — specifications for Zenfone 7 ZS670KS, DX900.
SpecificationZenfone 7 ZS670KSDX900
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 Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960