LG K40S vs LG X mach

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

    K40S: 2.6 mm narrower

    K40S:
    73.9 mm
    X mach:
    76.5 mm
  • Screen diagonal

    X mach: 0.6 in smaller diagonal

    K40S:
    6.1 in
    X mach:
    5.5 in
  • Chipset

    K40S:
    Mediatek MT6762 Helio P22 (12 nm)
    X mach:
    Qualcomm MSM8992 Snapdragon 808 (20 nm)
  • Rear camera layout

    K40S:
    Dual
    X mach:
    Single
  • Height

    X mach: 7.2 mm shorter

    K40S:
    156.3 mm
    X mach:
    149.1 mm
  • Release year

    K40S:
    2019
    X mach:
    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. K40S

    Height:
    156.3 mm +7.2 mm versus X mach
    Width:
    73.9 mm
    Depth:
    8.6 mm
    Weight:
    Unknown
  2. 2. X mach

    Height:
    149.1 mm
    Width:
    76.5 mm +2.6 mm versus K40S
    Depth:
    8.9 mm
    Weight:
    150 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. X mach

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

K40S has approximately 11.4% more rectangular screen area than X mach.

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, X mach, compared at the same storage capacity.
StorageK40SX mach
32 GB Recorded for all phones 2 / 3 GB RAM Alternative RAM configurations 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. K40S

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

2. X mach

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. K40S

    3500 mAh

    +500 mAh versus X mach

  2. 2. X mach

    3000 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. X mach

Everyday essentials
Everyday essentials — specifications for K40S, X mach.
SpecificationK40SX mach
Dimensions (HxWxD)
  • 156.3 Х 73.9 Х 8.6 mm
  • 149.1 Х 76.5 Х 8.9 mm
Weight
  • 0 g
  • 150 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.1" inch
  • 5.5" inch
Screen resolution
  • 720 x 1520 px
  • 1440 x 2560 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
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 1 TB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 6.0.1 (Marshmallow)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm MSM8992 Snapdragon 808 (20 nm)
NFC
  • Yes (market/region dependent)
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40S, X mach.
SpecificationK40SX mach
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 82.2 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.4%
  • 72.0%
PPI /points per inch/
  • 276 PPI
  • 538 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for K40S, X mach.
SpecificationK40SX mach
Rear camera, main
  • 13 MP
  • Dual
  • 12.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 26mm (wide)
  • PDAF -5 MP
  • (ultrawide)
  • 12.3 MP
  • f/2.0
  • 1.55µm
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 13 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 K40S, X mach.
SpecificationK40SX mach
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 418
Antutu 7 score *
  • 76321
  • 52147
General specs
General specs — specifications for K40S, X mach.
SpecificationK40SX mach
Release date
  • 2019
  • August
  • 2016
  • June
Colors
  • New Aurora Black
  • New Moroccan Blue
  • Titan
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 240 EUR
Battery life Unknown
  • Stand by time- Up to 300 h (3G) Talking time- Up to 13 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for K40S, X mach.
SpecificationK40SX mach
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)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 band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 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)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.44 W/kg (head)
Music and Audio
Music and Audio — specifications for K40S, X mach.
SpecificationK40SX mach
Radio
  • No
  • FM radio
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for K40S, X mach.
SpecificationK40SX mach
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as LG X Fast
  • LG K600