LG K40S vs Plum Sync 4.0b

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

    Sync 4.0b: 10.4 mm narrower

    K40S:
    73.9 mm
    Sync 4.0b:
    63.5 mm
  • Screen diagonal

    Sync 4.0b: 2.1 in smaller diagonal

    K40S:
    6.1 in
    Sync 4.0b:
    4 in
  • Chipset

    K40S:
    Mediatek MT6762 Helio P22 (12 nm)
    Sync 4.0b:
    Mediatek MT6572 (28 nm)
  • Rear camera layout

    K40S:
    Dual
    Sync 4.0b:
    Single
  • Depth

    K40S: 1.8 mm thinner

    K40S:
    8.6 mm
    Sync 4.0b:
    10.4 mm
  • Height

    Sync 4.0b: 31.8 mm shorter

    K40S:
    156.3 mm
    Sync 4.0b:
    124.5 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. K40S

    Height:
    156.3 mm +31.8 mm versus Sync 4.0b
    Width:
    73.9 mm +10.4 mm versus Sync 4.0b
    Depth:
    8.6 mm
    Weight:
    Unknown
  2. 2. Sync 4.0b

    Height:
    124.5 mm
    Width:
    63.5 mm
    Depth:
    10.4 mm +1.8 mm versus K40S
    Weight:
    84.8 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. K40S

    Screen diagonal:
    6.1 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. Sync 4.0b

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

K40S has approximately 103.9% more rectangular screen area than Sync 4.0b.

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 K40S, Sync 4.0b, compared at the same storage capacity.
StorageK40SSync 4.0b
32 GB 2 / 3 GB RAM Alternative RAM configurations Unknown
Sync 4.0b: Original memory entry

512 MB · 256 MB 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. K40S

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (dedicated slot)

2. Sync 4.0b

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. K40S

    3500 mAh

    +2200 mAh versus Sync 4.0b

  2. 2. Sync 4.0b

    1300 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. K40S2. Sync 4.0b

Everyday essentials
Everyday essentials — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
Dimensions (HxWxD)
  • 156.3 Х 73.9 Х 8.6 mm
  • 124.5 Х 63.5 Х 10.4 mm
Weight
  • 0 g
  • 84.8 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.1" inch
  • 4" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 32GB 3GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 1 TB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.4 (KitKat)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Mediatek MT6572 (28 nm)
NFC
  • Yes (market/region dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 45.5 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 80.4%
  • 57.6%
PPI /points per inch/
  • 276 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
Rear camera, main
  • 13 MP
  • Dual
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 26mm (wide)
  • PDAF -5 MP
  • (ultrawide)
  • 1.3 MP
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • 1.3 MP
Performance

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

Performance — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
  • Mali-400
Antutu 7 score *
  • 76321
Unknown
General specs
General specs — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
Release date
  • 2019
  • August
  • 2015
  • June
Colors
  • New Aurora Black
  • New Moroccan Blue
  • Black
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 2 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
Music and Audio
Music and Audio — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
Radio
  • No
  • FM radio
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K40S, Sync 4.0b.
SpecificationK40SSync 4.0b
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant
  • Sensors Accelerometer Flashlight Also known as Plum Sync 4.0b X400