Asus Zenfone 2 ZE551ML vs Lenovo K6 Note

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.

  • Width

    K6 Note: 1.2 mm narrower

    Zenfone 2 ZE551ML:
    77.2 mm
    K6 Note:
    76 mm
  • Chipset

    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
    K6 Note:
    Qualcomm MSM8937 Snapdragon 430 (28 nm)
  • Depth

    K6 Note: 2.5 mm thinner

    Zenfone 2 ZE551ML:
    10.9 mm
    K6 Note:
    8.4 mm
  • Release year

    Zenfone 2 ZE551ML:
    2015
    K6 Note:
    2016

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 2 ZE551ML

    Height:
    152.5 mm
    Width:
    77.2 mm +1.2 mm versus K6 Note
    Depth:
    10.9 mm +2.5 mm versus K6 Note
  2. 2. K6 Note

    Height:
    151 mm
    Width:
    76 mm
    Depth:
    8.4 mm

Weight

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

  1. 1. Zenfone 2 ZE551ML

    170 g

    +1 g versus K6 Note

  2. 2. K6 Note

    169 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 2 ZE551ML

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. K6 Note

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

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 2 ZE551ML: Original memory entry

16/32/64 GB · 2/4 GB RAM

K6 Note: Original memory entry

32 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 2 ZE551ML

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. K6 Note

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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 2 ZE551ML

    3000 mAh

  2. 2. K6 Note

    4000 mAh

    +1000 mAh versus Zenfone 2 ZE551ML

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 2 ZE551ML2. K6 Note

Everyday essentials
Everyday essentials — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
Dimensions (HxWxD)
  • 152.5 Х 77.2 Х 10.9 mm
  • 151 Х 76 Х 8.4 mm
Weight
  • 170 g
  • 169 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32/64 GB
  • 2/4 GB RAM
  • 32 GB
  • 3/4 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 6.0 (Marshmallow)
Chipset
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 70.8%
  • 72.7%
PPI /points per inch/
  • 401 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 16 MP
  • PDAF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 8 MP
Performance

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

Performance — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
Processor CPU
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • PowerVR G6430
  • Adreno 505
Antutu 7 score *
  • 50232
  • 44715
GeekBench 4 Single Core * Unknown
  • 642
GeekBench 4 Multi-Core * Unknown
  • 2370
GeekBench 4 RenderScript * Unknown
  • 2126
GeekBench 5 Single Core * Unknown
  • 121
GeekBench 5 Multi-Core * Unknown
  • 595
General specs
General specs — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
Release date
  • 2015
  • January
  • 2016
  • September
Colors
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
  • Silver
  • Gold
  • Dark Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 250 EUR
Battery life Unknown
  • Stand by time- Up to 600 h (2G) / Up to 600 h (3G) Talking time- Up to 46 h (2G) / Up to 31 h (3G)
Body build
  • plastic body
  • Front glass
  • aluminum body
  • plastic ends
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA - China & India -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 9(1800)
  • 18(800)
  • 19(800)
  • 28(700) - Taiwan LTE band 1(2100)
  • 7(2600)
  • 20(800) - Global LTE band 1(2100)
  • 17(700)
  • 20(800) - US LTE band 1(2100)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China & India
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 - LATAM -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 28(700) - LATAM
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
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 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.35 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
Radio
  • FM radio
  • RDS
  • FM radio
Others Unknown
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone 2 ZE551ML, K6 Note.
SpecificationZenfone 2 ZE551MLK6 Note
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as Lenovo K6 Plus in LATAM