Asus Zenfone 3 Ultra ZU680KL vs O2 XDA Atom Exec

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 Atom Exec: 93 g lighter

    Zenfone 3 Ultra ZU680KL:
    233 g
    XDA Atom Exec:
    140 g
  • Width

    XDA Atom Exec: 35.9 mm narrower

    Zenfone 3 Ultra ZU680KL:
    93.9 mm
    XDA Atom Exec:
    58 mm
  • Screen diagonal

    XDA Atom Exec: 4.1 in smaller diagonal

    Zenfone 3 Ultra ZU680KL:
    6.8 in
    XDA Atom Exec:
    2.7 in
  • Depth

    Zenfone 3 Ultra ZU680KL: 11.7 mm thinner

    Zenfone 3 Ultra ZU680KL:
    6.8 mm
    XDA Atom Exec:
    18.5 mm
  • Height

    XDA Atom Exec: 84.4 mm shorter

    Zenfone 3 Ultra ZU680KL:
    186.4 mm
    XDA Atom Exec:
    102 mm
  • Release year

    Zenfone 3 Ultra ZU680KL:
    2016
    XDA Atom Exec:
    2006

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 3 Ultra ZU680KL

    Height:
    186.4 mm +84.4 mm versus XDA Atom Exec
    Width:
    93.9 mm +35.9 mm versus XDA Atom Exec
    Depth:
    6.8 mm
  2. 2. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +11.7 mm versus Zenfone 3 Ultra ZU680KL

Weight

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

  1. 1. Zenfone 3 Ultra ZU680KL

    233 g

    +93 g versus XDA Atom Exec

  2. 2. XDA Atom Exec

    140 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 3 Ultra ZU680KL

    Screen diagonal:
    6.8 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    127.5 cm²
  2. 2. XDA Atom Exec

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

Zenfone 3 Ultra ZU680KL has approximately 464.7% more rectangular screen area than XDA Atom Exec.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Zenfone 3 Ultra ZU680KL: Original memory entry

32/64/128 GB · 3/4 GB RAM

XDA Atom Exec: Original memory entry

64 MB RAM · 192 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 3 Ultra ZU680KL

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. XDA Atom Exec

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

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 3 Ultra ZU680KL

    4600 mAh

    +3070 mAh versus XDA Atom Exec

  2. 2. XDA Atom Exec

    1530 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 3 Ultra ZU680KL2. XDA Atom Exec

Everyday essentials
Everyday essentials — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
Dimensions (HxWxD)
  • 186.4 Х 93.9 Х 6.8 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 233 g
  • 140 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.8" inch
  • 2.7" inch
Screen resolution
  • 1080 x 1920 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32/64/128 GB
  • 3/4 GB RAM
  • 64 MB RAM
  • 192 MB ROM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 4600 mAh
  • Non-removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.1 (Marshmallow); ZenUI 3
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Qualcomm MSM8976 Snapdragon 652 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 127.5 cm2
  • 22.6 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 72.8%
  • 38.2%
PPI /points per inch/
  • 324 PPI
  • 148 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
Rear camera, main
  • 23 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 23 MP
  • f/2.0
  • 1/2.6''
  • 1.0µm
  • 4-axis OIS
  • PDAF & laser AF
  • 2 MP
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53)
  • Intel XScale PXA 27x 520MHz
Graphics processor GPU
  • Adreno 510
Unknown
GeekBench 4 Single Core *
  • 1357
Unknown
GeekBench 4 Multi-Core *
  • 3659
Unknown
GeekBench 4 RenderScript *
  • 4146
Unknown
GeekBench 5 Single Core *
  • 252
Unknown
GeekBench 5 Multi-Core *
  • 899
Unknown
General specs
General specs — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
Release date
  • 2016
  • May
  • 2006
  • June
Colors
  • Glacier Silver
  • Titanium Gray
  • Metallic Pink
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 310 EUR
Battery life
  • Talking time- Up to 34 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
SIM card
  • Hybrid 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 850 / 900 / 1900 / 2100 / 800 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 4.2
  • A2DP
  • EDR
  • LE
  • 1.2
Music and Audio
Music and Audio — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
Radio
  • FM radio
  • FM radio
Others
  • 24-bit/192kHz audio
  • Handwriting recognition
Other features
Other features — specifications for Zenfone 3 Ultra ZU680KL, XDA Atom Exec.
SpecificationZenfone 3 Ultra ZU680KLXDA Atom Exec
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 45 min (Quick Charge 3.0)
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player