LG K40S vs Nokia X71

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.

  • Width

    K40S: 2.6 mm narrower

    K40S:
    73.9 mm
    X71:
    76.5 mm
  • Screen diagonal

    K40S: 0.29 in smaller diagonal

    K40S:
    6.1 in
    X71:
    6.39 in
  • Chipset

    K40S:
    Mediatek MT6762 Helio P22 (12 nm)
    X71:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    K40S:
    Dual
    X71:
    Triple
  • Depth

    X71: 0.6 mm thinner

    K40S:
    8.6 mm
    X71:
    8 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
    Width:
    73.9 mm
    Depth:
    8.6 mm +0.6 mm versus X71
    Weight:
    Unknown
  2. 2. X71

    Height:
    157.2 mm
    Width:
    76.5 mm +2.6 mm versus K40S
    Depth:
    8 mm
    Weight:
    180 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. K40S

    Screen diagonal:
    6.1 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. X71

    X71: Screen geometry unavailable or conflicting.

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, X71, compared at the same storage capacity.
StorageK40SX71
32 GB 2 / 3 GB RAM Alternative RAM configurations Not recorded
128 GB Not recorded 6 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. X71

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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

  2. 2. X71

    3500 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. X71

Everyday essentials
Everyday essentials — specifications for K40S, X71.
SpecificationK40SX71
Dimensions (HxWxD)
  • 156.3 Х 73.9 Х 8.6 mm
  • 157.2 Х 76.5 Х 8 mm
Weight
  • 0 g
  • 180 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.1" inch
  • 6.39" inch
Screen resolution
  • 720 x 1520 px
  • 1080 x 2316 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
  • 128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 1 TB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 9.0 (Pie); Android One
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes (market/region dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40S, X71.
SpecificationK40SX71
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 100.9 cm2
Screen format
  • 19:9 (height:width)
Unknown
Screen to body ratio
  • 80.4%
  • 83.9%
PPI /points per inch/
  • 276 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for K40S, X71.
SpecificationK40SX71
Rear camera, main
  • 13 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 13 MP
  • f/2.2
  • 26mm (wide)
  • PDAF -5 MP
  • (ultrawide)
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • 13mm (ultrawide) -5 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • panorama
  • HDR
  • Zeiss optics
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • 16 MP
  • f/2.0
Performance

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

Performance — specifications for K40S, X71.
SpecificationK40SX71
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 512
Antutu 7 score *
  • 76321
  • 142562
GeekBench 4 Single Core * Unknown
  • 1455
GeekBench 4 Multi-Core * Unknown
  • 5075
General specs
General specs — specifications for K40S, X71.
SpecificationK40SX71
Release date
  • 2019
  • August
  • 2019
  • April
Colors
  • New Aurora Black
  • New Moroccan Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 290 EUR
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for K40S, X71.
SpecificationK40SX71
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 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)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
  • LTE-A
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for K40S, X71.
SpecificationK40SX71
Radio
  • No
Unknown
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for K40S, X71.
SpecificationK40SX71
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For China