LG K40 vs Oppo A3s

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.

  • Weight

    K40: 18 g lighter

    K40:
    150 g
    A3s:
    168 g
  • Width

    K40: 3.7 mm narrower

    K40:
    71.9 mm
    A3s:
    75.6 mm
  • Screen diagonal

    K40: 0.5 in smaller diagonal

    K40:
    5.7 in
    A3s:
    6.2 in
  • Chipset

    K40:
    Mediatek MT6762 Helio P22 (12 nm)
    A3s:
    Qualcomm SDM450 Snapdragon 450 (14 nm)
  • Rear camera layout

    K40:
    Single
    A3s:
    Dual
  • Height

    K40: 3.2 mm shorter

    K40:
    153 mm
    A3s:
    156.2 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. K40

    Height:
    153 mm
    Width:
    71.9 mm
    Depth:
    8.3 mm
  2. 2. A3s

    Height:
    156.2 mm +3.2 mm versus K40
    Width:
    75.6 mm +3.7 mm versus K40
    Depth:
    8.2 mm

Weight

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

  1. 1. K40

    150 g

  2. 2. A3s

    168 g

    +18 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. A3s

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

A3s has approximately 14.4% 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, A3s, compared at the same storage capacity.
StorageK40A3s
16 GB Unknown 2 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. A3s

NFC:
Unknown
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. K40

    3000 mAh

  2. 2. A3s

    4230 mAh

    +1230 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. A3s

Everyday essentials
Everyday essentials — specifications for K40, A3s.
SpecificationK40A3s
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 156.2 Х 75.6 Х 8.2 mm
Weight
  • 150 g
  • 168 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 6.2" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1520 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
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 4230 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 SDM450 Snapdragon 450 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40, A3s.
SpecificationK40A3s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 95.9 cm2
Screen format
  • 18:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 76.2%
  • 81.2%
PPI /points per inch/
  • 282 PPI
  • 271 PPI
Camera and Video
Camera and Video — specifications for K40, A3s.
SpecificationK40A3s
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for K40, A3s.
SpecificationK40A3s
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core 1.8 GHz Cortex-A53
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 506
Antutu 7 score *
  • 75203
  • 64122
General specs
General specs — specifications for K40, A3s.
SpecificationK40A3s
Release date
  • 2019
  • February
  • 2018
  • July
Colors
  • Black
  • Platinum
  • Blue
  • Red
  • Dark Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 11000 INR
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K40, A3s.
SpecificationK40A3s
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
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • WiFi 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
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for K40, A3s.
SpecificationK40A3s
Radio
  • FM radio
  • 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 K40, A3s.
SpecificationK40A3s
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
  • compass - For India