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LG K40 vs Palm Centro

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

    Centro: 26 g lighter

    K40:
    150 g
    Centro:
    124 g
  • Width

    Centro: 18.4 mm narrower

    K40:
    71.9 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 3.45 in smaller diagonal

    K40:
    5.7 in
    Centro:
    2.25 in
  • Depth

    K40: 10.3 mm thinner

    K40:
    8.3 mm
    Centro:
    18.6 mm
  • Height

    Centro: 45.8 mm shorter

    K40:
    153 mm
    Centro:
    107.2 mm
  • Release year

    K40:
    2019
    Centro:
    2008

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 +45.8 mm versus Centro
    Width:
    71.9 mm +18.4 mm versus Centro
    Depth:
    8.3 mm
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +10.3 mm versus K40

Weight

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

  1. 1. K40

    150 g

    +26 g versus Centro

  2. 2. Centro

    124 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. K40

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. Centro

    Screen diagonal:
    2.25 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    16.3 cm²

K40 has approximately 413.4% more rectangular screen area than Centro.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

K40: Original memory entry

32 GB · 2/3 GB RAM

Centro: Original memory entry

64 MB

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. Centro

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 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

    +1850 mAh versus Centro

  2. 2. Centro

    1150 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. K402. Centro

Everyday essentials
Everyday essentials — specifications for K40, Centro.
SpecificationK40Centro
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 150 g
  • 124 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 2.25" inch
Screen resolution
  • 720 x 1440 px
  • 320 x 320 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
  • 64 MB
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Palm OS 5.4.9
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for K40, Centro.
SpecificationK40Centro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.8 cm2
  • 16.3 cm2
Screen format
  • 18:9 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 76.2%
  • 28.5%
PPI /points per inch/
  • 282 PPI
  • 201 PPI
Camera and Video
Camera and Video — specifications for K40, Centro.
SpecificationK40Centro
Rear camera, main
  • 16 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for K40, Centro.
SpecificationK40Centro
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score *
  • 75203
Unknown
General specs
General specs — specifications for K40, Centro.
SpecificationK40Centro
Release date
  • 2019
  • February
  • 2008
  • February
Colors
  • Black
  • Platinum
  • Blue
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K40, Centro.
SpecificationK40Centro
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
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
Unknown
Speed
  • HSPA
  • LTE-A
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 1.2
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for K40, Centro.
SpecificationK40Centro
Radio
  • FM radio
  • No
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
  • 5-way navigation button
Other features
Other features — specifications for K40, Centro.
SpecificationK40Centro
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant - Also known as LG K12+
  • LG K12 Plus
  • LG X4 (2019)
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo