Lenovo K4 Note vs Sharp Aquos R2

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

    K4 Note: 23 g lighter

    K4 Note:
    158 g
    Aquos R2:
    181 g
  • Width

    Aquos R2: 2.5 mm narrower

    K4 Note:
    76.5 mm
    Aquos R2:
    74 mm
  • Screen diagonal

    K4 Note: 0.5 in smaller diagonal

    K4 Note:
    5.5 in
    Aquos R2:
    6 in
  • Chipset

    K4 Note:
    Mediatek MT6753 (28 nm)
    Aquos R2:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    K4 Note:
    Single
    Aquos R2:
    Dual
  • Height

    K4 Note: 2.4 mm shorter

    K4 Note:
    153.6 mm
    Aquos R2:
    156 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. K4 Note

    Height:
    153.6 mm
    Width:
    76.5 mm +2.5 mm versus Aquos R2
    Depth:
    9.2 mm
  2. 2. Aquos R2

    Height:
    156 mm +2.4 mm versus K4 Note
    Width:
    74 mm
    Depth:
    9 mm

Weight

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

  1. 1. K4 Note

    158 g

  2. 2. Aquos R2

    181 g

    +23 g versus K4 Note

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. K4 Note

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Aquos R2

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    89.9 cm²

Aquos R2 has approximately 7.8% more rectangular screen area than K4 Note.

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.

K4 Note: Original memory entry

16 GB · 3 GB RAM - A7010 a488/16/32 GB · 2 GB RAM - A7010

Aquos R2: Original memory entry

64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. K4 Note

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

2. Aquos R2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. K4 Note

    3300 mAh

    +170 mAh versus Aquos R2

  2. 2. Aquos R2

    3130 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. K4 Note2. Aquos R2

Everyday essentials
Everyday essentials — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
Dimensions (HxWxD)
  • 153.6 Х 76.5 Х 9.2 mm
  • 156 Х 74 Х 9 mm
Weight
  • 158 g
  • 181 g
Technology
  • IPS LCD
  • IGZO IPS LCD
Screen size
  • 5.5" inch
  • 6" inch
Screen resolution
  • 1080 x 1920 px
  • 1440 x 3040 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 3 GB RAM - A7010 a488/16/32 GB
  • 2 GB RAM - A7010
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3300 mAh
  • Non-removable Li-Po
  • 3130 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 8.0 (Oreo)
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 89.9 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 71.0%
  • 77.8%
PPI /points per inch/
  • 401 PPI
  • 561 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
Rear camera, main
  • 13 MP
  • Single
  • 22.6 MP
  • Dual
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
  • 22.6 MP
  • PDAF -16.3 MP
  • PDAF (for video recording only)
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 2160p@30fps (dedicated video camera)
Front camera, selfie
  • 5 MP
  • Single
  • 16.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 16.3 MP
Performance

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

Performance — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Mali-T720MP3
  • Adreno 630
Antutu 7 score *
  • 37456
  • 265822
General specs
General specs — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
Release date
  • 2016
  • January
  • 2018
  • May
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
  • 350 EUR
Battery life
  • Stand by time- Up to 265 h (3G) Talking time- Up to 23 h (2G) / Up to 22 h (3G)
Unknown
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • 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 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - A7010 LTE band 1(2100)
  • 20(800)
  • 40(2300)
  • 41(2500) - A7010 a48
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
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/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.84 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
Radio
  • FM radio
  • recording
  • No
Others
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos
Other features
Other features — specifications for K4 Note, Aquos R2.
SpecificationK4 NoteAquos R2
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as: Lenovo K4 Note A7010a48
  • A7010
  • Lenovo Vibe X3 Lite
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IPX5/IPX8/IP6X