LG K40 vs Oppo R7

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.

  • Display technology

    OLED versus LCD

    K40:
    LCD
    R7:
    OLED
  • Screen diagonal

    R7: 0.7 in smaller diagonal

    K40:
    5.7 in
    R7:
    5 in
  • Chipset

    K40:
    Mediatek MT6762 Helio P22 (12 nm)
    R7:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    R7: 2 mm thinner

    K40:
    8.3 mm
    R7:
    6.3 mm
  • Height

    R7: 10 mm shorter

    K40:
    153 mm
    R7:
    143 mm
  • Release year

    K40:
    2019
    R7:
    2015

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 +10 mm versus R7
    Width:
    71.9 mm
    Depth:
    8.3 mm +2 mm versus R7
  2. 2. R7

    Height:
    143 mm
    Width:
    71 mm
    Depth:
    6.3 mm

Weight

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

  1. 1. K40

    150 g

    +3 g versus R7

  2. 2. R7

    147 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. R7

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

K40 has approximately 21.7% more rectangular screen area than R7.

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, R7, compared at the same storage capacity.
StorageK40R7
16 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. R7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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

    +680 mAh versus R7

  2. 2. R7

    2320 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. R7

Everyday essentials
Everyday essentials — specifications for K40, R7.
SpecificationK40R7
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 143 Х 71 Х 6.3 mm
Weight
  • 150 g
  • 147 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.7" inch
  • 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
  • 3 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 2320 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.4.2 (KitKat); ColorOS 2.1
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40, R7.
SpecificationK40R7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 67.7 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 76.2%
  • 66.7%
PPI /points per inch/
  • 282 PPI
  • 445 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for K40, R7.
SpecificationK40R7
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • 13 MP
  • Schneider-Kreuznach optics PDAF
  • f/2.2
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 8 MP
  • f/2.4
Performance

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

Performance — specifications for K40, R7.
SpecificationK40R7
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
  • 28195
GeekBench 4 Single Core * Unknown
  • 683
GeekBench 4 Multi-Core * Unknown
  • 3530
General specs
General specs — specifications for K40, R7.
SpecificationK40R7
Release date
  • 2019
  • February
  • 2015
  • May
Colors
  • Black
  • Platinum
  • Blue
  • Golden
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 360 EUR
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K40, R7.
SpecificationK40R7
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 - Global
  • Taiwan HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 40(2300) - Global LTE band 1(2100)
  • 5(850)
  • 28(700)
  • 40(2300) - Taiwan LTE band 1(2100)
  • 4(1700/2100)
  • 17(700)
  • 20(800) - USA
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
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for K40, R7.
SpecificationK40R7
Radio
  • FM radio
  • No
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for K40, R7.
SpecificationK40R7
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 - Fast battery charging: 75% in 30 min (VOOC Flash Charge)