LG K40 vs Xolo Black

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

    K40: 4.7 mm narrower

    K40:
    71.9 mm
    Black:
    76.6 mm
  • Screen diagonal

    Black: 0.2 in smaller diagonal

    K40:
    5.7 in
    Black:
    5.5 in
  • Chipset

    K40:
    Mediatek MT6762 Helio P22 (12 nm)
    Black:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Rear camera layout

    K40:
    Single
    Black:
    Dual
  • Depth

    Black: 1 mm thinner

    K40:
    8.3 mm
    Black:
    7.3 mm
  • Height

    K40: 2.5 mm shorter

    K40:
    153 mm
    Black:
    155.5 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 +1 mm versus Black
    Weight:
    150 g
  2. 2. Black

    Height:
    155.5 mm +2.5 mm versus K40
    Width:
    76.6 mm +4.7 mm versus K40
    Depth:
    7.3 mm
    Weight:
    Unknown

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. Black

    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, Black, compared at the same storage capacity.
StorageK40Black
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. Black

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 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. Black

    3200 mAh

    +200 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. Black

Everyday essentials
Everyday essentials — specifications for K40, Black.
SpecificationK40Black
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 155.5 Х 76.6 Х 7.3 mm
Weight
  • 150 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 5.5" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 1920 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 32 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 5.0 (Lollipop); HIVE Atlas UI
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40, Black.
SpecificationK40Black
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 82.6 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 76.2%
  • 69.3%
PPI /points per inch/
  • 282 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for K40, Black.
SpecificationK40Black
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • 13 MP
  • AF -2 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 5 MP
Performance

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

Performance — specifications for K40, Black.
SpecificationK40Black
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 405
Antutu 7 score *
  • 75203
  • 30156
General specs
General specs — specifications for K40, Black.
SpecificationK40Black
Release date
  • 2019
  • February
  • 2015
  • July
Colors
  • Black
  • Platinum
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 180 EUR
Battery life Unknown
  • Stand by time- Up to 736 h (2G) / Up to 699 h (3G) Talking time- Up to 36 h (2G) / Up to 24 h (3G)
Body build
  • Front glass
  • plastic body
  • Front/back glass (Gorilla Glass 3)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for K40, Black.
SpecificationK40Black
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-SIM/Nano-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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE 1800 TD-LTE 2300
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/11.5 Mbps
  • 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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.13 W/kg (head) 0.27 W/kg (body)
Music and Audio
Music and Audio — specifications for K40, Black.
SpecificationK40Black
Radio
  • FM radio
  • FM radio
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K40, Black.
SpecificationK40Black
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant - Also known as LG K12+
  • LG K12 Plus
  • LG X4 (2019)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For India