Asus Zenfone 3 Ultra ZU680KL vs HTC First

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

    First: 109.1 g lighter

    Zenfone 3 Ultra ZU680KL:
    233 g
    First:
    123.9 g
  • Width

    First: 28.9 mm narrower

    Zenfone 3 Ultra ZU680KL:
    93.9 mm
    First:
    65 mm
  • Screen diagonal

    First: 2.5 in smaller diagonal

    Zenfone 3 Ultra ZU680KL:
    6.8 in
    First:
    4.3 in
  • Chipset

    Zenfone 3 Ultra ZU680KL:
    Qualcomm MSM8976 Snapdragon 652 (28 nm)
    First:
    Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Depth

    Zenfone 3 Ultra ZU680KL: 2.1 mm thinner

    Zenfone 3 Ultra ZU680KL:
    6.8 mm
    First:
    8.9 mm
  • Height

    First: 60.4 mm shorter

    Zenfone 3 Ultra ZU680KL:
    186.4 mm
    First:
    126 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 3 Ultra ZU680KL

    Height:
    186.4 mm +60.4 mm versus First
    Width:
    93.9 mm +28.9 mm versus First
    Depth:
    6.8 mm
  2. 2. First

    Height:
    126 mm
    Width:
    65 mm
    Depth:
    8.9 mm +2.1 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

    +109.1 g versus First

  2. 2. First

    123.9 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. First

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

Zenfone 3 Ultra ZU680KL has approximately 150.1% more rectangular screen area than First.

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 3 Ultra ZU680KL, First, compared at the same storage capacity.
StorageZenfone 3 Ultra ZU680KLFirst
16 GB Unknown 1 GB RAM
Zenfone 3 Ultra ZU680KL: Original memory entry

32/64/128 GB · 3/4 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 3 Ultra ZU680KL

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

2. First

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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

    +2600 mAh versus First

  2. 2. First

    2000 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. First

Everyday essentials
Everyday essentials — specifications for Zenfone 3 Ultra ZU680KL, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
Dimensions (HxWxD)
  • 186.4 Х 93.9 Х 6.8 mm
  • 126 Х 65 Х 8.9 mm
Weight
  • 233 g
  • 123.9 g
Technology
  • IPS LCD
  • Super LCD
Screen size
  • 6.8" inch
  • 4.3" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 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
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4600 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.1 (Marshmallow); ZenUI 3
  • Android 4.1 (Jelly Bean); Facebook Home UI
Chipset
  • Qualcomm MSM8976 Snapdragon 652 (28 nm)
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 3 Ultra ZU680KL, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 127.5 cm2
  • 51.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.8%
  • 62.2%
PPI /points per inch/
  • 324 PPI
  • 342 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Zenfone 3 Ultra ZU680KL, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
Rear camera, main
  • 23 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 23 MP
  • f/2.0
  • 1/2.6''
  • 1.0µm
  • 4-axis OIS
  • PDAF & laser AF
  • 5 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.6 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.6 MP
Performance

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

Performance — specifications for Zenfone 3 Ultra ZU680KL, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53)
  • Dual-core 1.4 GHz Krait
Graphics processor GPU
  • Adreno 510
  • Adreno 305
Antutu 7 score * Unknown
  • 18456
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, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
Release date
  • 2016
  • May
  • 2013
  • April
Colors
  • Glacier Silver
  • Titanium Gray
  • Metallic Pink
  • White
  • Black
  • Red
  • Pale Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 200 EUR
Battery life
  • Talking time- Up to 34 h (3G)
  • Stand by time- Up to 432 h Talking time- Up to 14 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 3 Ultra ZU680KL, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - AT&T
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • EDR
  • LE
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Zenfone 3 Ultra ZU680KL, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
Radio
  • FM radio
  • FM radio
Others
  • 24-bit/192kHz audio
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone 3 Ultra ZU680KL, First.
SpecificationZenfone 3 Ultra ZU680KLFirst
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 45 min (Quick Charge 3.0)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass