Lenovo K4 Note vs verykool sl5050 Phantom

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.

  • Display technology

    OLED versus LCD

    K4 Note:
    LCD
    sl5050 Phantom:
    OLED
  • Weight

    sl5050 Phantom: 37 g lighter

    K4 Note:
    158 g
    sl5050 Phantom:
    121 g
  • Width

    sl5050 Phantom: 6 mm narrower

    K4 Note:
    76.5 mm
    sl5050 Phantom:
    70.5 mm
  • Screen diagonal

    sl5050 Phantom: 0.5 in smaller diagonal

    K4 Note:
    5.5 in
    sl5050 Phantom:
    5 in
  • Chipset

    K4 Note:
    Mediatek MT6753 (28 nm)
    sl5050 Phantom:
    Mediatek MT6737 (28 nm)
  • Depth

    sl5050 Phantom: 2 mm thinner

    K4 Note:
    9.2 mm
    sl5050 Phantom:
    7.2 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 +8.1 mm versus sl5050 Phantom
    Width:
    76.5 mm +6 mm versus sl5050 Phantom
    Depth:
    9.2 mm +2 mm versus sl5050 Phantom
  2. 2. sl5050 Phantom

    Height:
    145.5 mm
    Width:
    70.5 mm
    Depth:
    7.2 mm

Weight

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

  1. 1. K4 Note

    158 g

    +37 g versus sl5050 Phantom

  2. 2. sl5050 Phantom

    121 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. K4 Note

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. sl5050 Phantom

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

K4 Note has approximately 21% more rectangular screen area than sl5050 Phantom.

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 K4 Note, sl5050 Phantom, compared at the same storage capacity.
StorageK4 Notesl5050 Phantom
16 GB Unknown 1 GB RAM
K4 Note: Original memory entry

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

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. sl5050 Phantom

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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

    +800 mAh versus sl5050 Phantom

  2. 2. sl5050 Phantom

    2500 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. sl5050 Phantom

Everyday essentials
Everyday essentials — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
Dimensions (HxWxD)
  • 153.6 Х 76.5 Х 9.2 mm
  • 145.5 Х 70.5 Х 7.2 mm
Weight
  • 158 g
  • 121 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 5" 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.
  • 16 GB
  • 3 GB RAM - A7010 a488/16/32 GB
  • 2 GB RAM - A7010
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3300 mAh
  • Non-removable Li-Po
  • 2500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6737 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.0%
  • 67.2%
PPI /points per inch/
  • 401 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
  • 16 MP
  • AF
  • f/2.4
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 8 MP
  • f/2.8
Performance

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

Performance — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-T720MP3
  • Mali-T720
Antutu 7 score *
  • 37456
Unknown
General specs
General specs — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
Release date
  • 2016
  • January
  • 2016
  • November
Colors
  • Black
  • Dark Blue
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
Unknown
Battery life
  • Stand by time- Up to 265 h (3G) Talking time- Up to 23 h (2G) / Up to 22 h (3G)
  • Stand by time- Up to 240 h (3G) Talking time- Up to 8 h (3G)
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-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 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700)
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.84 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
Radio
  • FM radio
  • recording
  • Stereo FM radio
Others
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K4 Note, sl5050 Phantom.
SpecificationK4 Notesl5050 Phantom
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as: Lenovo K4 Note A7010a48
  • A7010
  • Lenovo Vibe X3 Lite
  • Sensors Accelerometer
  • proximity