LG K40 vs LG W10 Alpha

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    K40: 20 g lighter

    K40:
    150 g
    W10 Alpha:
    170 g
  • Chipset

    K40:
    Mediatek MT6762 Helio P22 (12 nm)
    W10 Alpha:
    Unisoc SC9863A (28nm)
  • Depth

    K40: 0.6 mm thinner

    K40:
    8.3 mm
    W10 Alpha:
    8.9 mm
  • Height

    W10 Alpha: 5.7 mm shorter

    K40:
    153 mm
    W10 Alpha:
    147.3 mm
  • Release year

    K40:
    2019
    W10 Alpha:
    2020

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. K40

    Height:
    153 mm +5.7 mm versus W10 Alpha
    Width:
    71.9 mm
    Depth:
    8.3 mm
  2. 2. W10 Alpha

    Height:
    147.3 mm
    Width:
    71 mm
    Depth:
    8.9 mm +0.6 mm versus K40

Weight

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

  1. 1. K40

    150 g

  2. 2. W10 Alpha

    170 g

    +20 g versus K40

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. K40

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. W10 Alpha

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

K40 has approximately 3% more rectangular screen area than W10 Alpha.

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 K40, W10 Alpha, compared at the same storage capacity.
StorageK40W10 Alpha
32 GB Unknown 3 GB RAM
K40: Original memory entry

32 GB · 2/3 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. K40

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot)

2. W10 Alpha

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated 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. K40

    3000 mAh

  2. 2. W10 Alpha

    3450 mAh

    +450 mAh versus K40

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. K402. W10 Alpha

Everyday essentials
Everyday essentials — specifications for K40, W10 Alpha.
SpecificationK40W10 Alpha
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 147.3 Х 71 Х 8.9 mm
Weight
  • 150 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 5.71" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1512 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2/3 GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 3450 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 9.0 (Pie)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Unisoc SC9863A (28nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40, W10 Alpha.
SpecificationK40W10 Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 81.7 cm2
Screen format
  • 18:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 76.2%
  • 78.1%
PPI /points per inch/
  • 282 PPI
  • 293 PPI
Camera and Video
Camera and Video — specifications for K40, W10 Alpha.
SpecificationK40W10 Alpha
Rear camera, main
  • 16 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 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 K40, W10 Alpha.
SpecificationK40W10 Alpha
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Graphics processor GPU
  • PowerVR GE8320
  • IMG8322
Antutu 7 score *
  • 75203
Unknown
Antutu 8 score * Unknown
  • 110298
General specs
General specs — specifications for K40, W10 Alpha.
SpecificationK40W10 Alpha
Release date
  • 2019
  • February
  • 2020
  • February 19
Colors
  • Black
  • Platinum
  • Blue
  • Black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K40, W10 Alpha.
SpecificationK40W10 Alpha
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi 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
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for K40, W10 Alpha.
SpecificationK40W10 Alpha
Radio
  • FM radio
  • FM radio
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K40, W10 Alpha.
SpecificationK40W10 Alpha
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant - Also known as LG K12+
  • LG K12 Plus
  • LG X4 (2019)
  • Sensors Accelerometer
  • proximity