LG K40 vs Oppo Find X

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.

  • Display technology

    OLED versus LCD

    K40:
    LCD
    Find X:
    OLED
  • Weight

    K40: 36 g lighter

    K40:
    150 g
    Find X:
    186 g
  • Width

    K40: 2.3 mm narrower

    K40:
    71.9 mm
    Find X:
    74.2 mm
  • Screen diagonal

    K40: 0.72 in smaller diagonal

    K40:
    5.7 in
    Find X:
    6.42 in
  • Chipset

    K40:
    Mediatek MT6762 Helio P22 (12 nm)
    Find X:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    K40:
    Single
    Find X:
    Dual

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
    Width:
    71.9 mm
    Depth:
    8.3 mm
  2. 2. Find X

    Height:
    156.7 mm +3.7 mm versus K40
    Width:
    74.2 mm +2.3 mm versus K40
    Depth:
    9.4 mm +1.1 mm versus K40

Weight

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

  1. 1. K40

    150 g

  2. 2. Find X

    186 g

    +36 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. Find X

    Screen diagonal:
    6.42 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    101.2 cm²

Find X has approximately 20.7% more rectangular screen area than K40.

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, Find X, compared at the same storage capacity.
StorageK40Find X
128 GB Unknown 8 GB RAM
256 GB Unknown 8 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. Find X

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

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. Find X

    3730 mAh

    +730 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. Find X

Everyday essentials
Everyday essentials — specifications for K40, Find X.
SpecificationK40Find X
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 156.7 Х 74.2 Х 9.4 mm
Weight
  • 150 g
  • 186 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.7" inch
  • 6.42" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2340 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
  • 128/256 GB
  • 8 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 3730 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 8.1 (Oreo); ColorOS 5.1
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for K40, Find X.
SpecificationK40Find X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 101.2 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 76.2%
  • 87.0%
PPI /points per inch/
  • 282 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for K40, Find X.
SpecificationK40Find X
Rear camera, main
  • 16 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • Motorized popup 16 MP
  • f/2.0
  • 1/2.6''
  • 1.22µm
  • PDAF
  • OIS -20 MP
  • 1/2.8''
  • 1.0µm
Functions
  • LED flash
  • Auto-HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 25 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • Motorized pop-up 25 MP
  • f/2.0
Performance

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

Performance — specifications for K40, Find X.
SpecificationK40Find X
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 630
Antutu 7 score *
  • 75203
Unknown
GeekBench 4 Single Core * Unknown
  • 3081
GeekBench 4 Multi-Core * Unknown
  • 8886
Antutu 8 score * Unknown
  • 346393
General specs
General specs — specifications for K40, Find X.
SpecificationK40Find X
Release date
  • 2019
  • February
  • 2018
  • June
Colors
  • Black
  • Platinum
  • Blue
  • Bordeaux Red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 770 EUR
Body build
  • Front glass
  • plastic body
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for K40, Find X.
SpecificationK40Find X
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 / 1700(AWS) / 1900 / 2100 -4G - LTE
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat16 1024/150 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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for K40, Find X.
SpecificationK40Find X
Radio
  • FM radio
  • No
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K40, Find X.
SpecificationK40Find X
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant - Also known as LG K12+
  • LG K12 Plus
  • LG X4 (2019)
  • Sensors Face ID
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: (VOOC Flash Charge 5V/4A 20W) Standard model -Fast battery charging: 100% in 35 min (SuperVOOC Flash Charge 10V/5A 50W) Super Flash Edition - Versions: Find X (VOOC Flash Charge); Find X Super Flash Edition (SuperVOOC Flash Charge)