LG K40 vs ZTE Blade A3

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: 14 g lighter

    K40:
    150 g
    Blade A3:
    164 g
  • Width

    K40: 3.9 mm narrower

    K40:
    71.9 mm
    Blade A3:
    75.8 mm
  • Screen diagonal

    Blade A3: 0.2 in smaller diagonal

    K40:
    5.7 in
    Blade A3:
    5.5 in
  • Chipset

    K40:
    Mediatek MT6762 Helio P22 (12 nm)
    Blade A3:
    Mediatek MT6737T (28 nm)
  • Release year

    K40:
    2019
    Blade A3:
    2017

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. Blade A3

    Height:
    152.4 mm
    Width:
    75.8 mm +3.9 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. Blade A3

    164 g

    +14 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. Blade A3

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

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, Blade A3, compared at the same storage capacity.
StorageK40Blade A3
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. Blade A3

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. K40

    3000 mAh

  2. 2. Blade A3

    4000 mAh

    +1000 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. Blade A3

Everyday essentials
Everyday essentials — specifications for K40, Blade A3.
SpecificationK40Blade A3
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 152.4 Х 75.8 Х 8.2 mm
Weight
  • 150 g
  • 164 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 5.5" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 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
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 7.1 (Nougat)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Mediatek MT6737T (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40, Blade A3.
SpecificationK40Blade A3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 83.4 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 76.2%
  • 72.2%
PPI /points per inch/
  • 282 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for K40, Blade A3.
SpecificationK40Blade A3
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Dual
Specifications
  • 8 MP
  • f/2.0
  • 5 MP 2 MP
  • depth sensor
Performance

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

Performance — specifications for K40, Blade A3.
SpecificationK40Blade A3
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.5 GHz Cortex-A53
Graphics processor GPU
  • PowerVR GE8320
  • Mali-T720MP2
Antutu 7 score *
  • 75203
Unknown
General specs
General specs — specifications for K40, Blade A3.
SpecificationK40Blade A3
Release date
  • 2019
  • February
  • 2017
  • November
Colors
  • Black
  • Platinum
  • Blue
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Body build
  • Front glass
  • plastic body
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for K40, Blade A3.
SpecificationK40Blade A3
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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA
  • LTE Cat4 150/50 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for K40, Blade A3.
SpecificationK40Blade A3
Radio
  • FM radio
  • FM radio
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K40, Blade A3.
SpecificationK40Blade A3
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant - Also known as LG K12+
  • LG K12 Plus
  • LG X4 (2019)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity