LG K40S vs O2 XDA Serra

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.

  • Width

    XDA Serra: 22.9 mm narrower

    K40S:
    73.9 mm
    XDA Serra:
    51 mm
  • Screen diagonal

    XDA Serra: 3.3 in smaller diagonal

    K40S:
    6.1 in
    XDA Serra:
    2.8 in
  • Chipset

    K40S:
    Mediatek MT6762 Helio P22 (12 nm)
    XDA Serra:
    Qualcomm MSM7201A
  • Rear camera layout

    K40S:
    Dual
    XDA Serra:
    Single
  • Depth

    K40S: 9.5 mm thinner

    K40S:
    8.6 mm
    XDA Serra:
    18.1 mm
  • Height

    XDA Serra: 54.3 mm shorter

    K40S:
    156.3 mm
    XDA Serra:
    102 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 +54.3 mm versus XDA Serra
    Width:
    73.9 mm +22.9 mm versus XDA Serra
    Depth:
    8.6 mm
    Weight:
    Unknown
  2. 2. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm +9.5 mm versus K40S
    Weight:
    165 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. K40S

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

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

K40S has approximately 282.5% more rectangular screen area than XDA Serra.

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, XDA Serra, compared at the same storage capacity.
StorageK40SXDA Serra
32 GB 2 / 3 GB RAM Alternative RAM configurations Unknown
XDA Serra: Original memory entry

288 MB RAM · 512 MB ROM

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. XDA Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. K40S

    3500 mAh

    +2160 mAh versus XDA Serra

  2. 2. XDA Serra

    1340 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. XDA Serra

Everyday essentials
Everyday essentials — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
Dimensions (HxWxD)
  • 156.3 Х 73.9 Х 8.6 mm
  • 102 Х 51 Х 18.1 mm
Weight
  • 0 g
  • 165 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.1" inch
  • 2.8" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 640 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
  • 288 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 1 TB (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1340 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm MSM7201A
NFC
  • Yes (market/region dependent)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 92.9 cm2
  • 24.3 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 80.4%
  • 46.7%
PPI /points per inch/
  • 276 PPI
  • 286 PPI
Camera and Video
Camera and Video — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 26mm (wide)
  • PDAF -5 MP
  • (ultrawide)
  • 3.15 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • VGA videocall camera
Performance

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

Performance — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • 528 MHz ARM 11
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 130
Antutu 7 score *
  • 76321
Unknown
General specs
General specs — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
Release date
  • 2019
  • August
  • 2008
  • July
Colors
  • New Aurora Black
  • New Moroccan Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
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 band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for K40S, XDA Serra.
SpecificationK40SXDA Serra
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input