LG K40 vs Oppo R7s

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
    R7s:
    OLED
  • Weight

    K40: 5 g lighter

    K40:
    150 g
    R7s:
    155 g
  • Width

    K40: 3.5 mm narrower

    K40:
    71.9 mm
    R7s:
    75.4 mm
  • Screen diagonal

    R7s: 0.2 in smaller diagonal

    K40:
    5.7 in
    R7s:
    5.5 in
  • Chipset

    K40:
    Mediatek MT6762 Helio P22 (12 nm)
    R7s:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    R7s: 1.3 mm thinner

    K40:
    8.3 mm
    R7s:
    7 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 +1.3 mm versus R7s
  2. 2. R7s

    Height:
    151.8 mm
    Width:
    75.4 mm +3.5 mm versus K40
    Depth:
    7 mm

Weight

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

  1. 1. K40

    150 g

  2. 2. R7s

    155 g

    +5 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. R7s

    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.

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

K40: Original memory entry

32 GB · 2/3 GB RAM

R7s: Original memory entry

32 GB · 512GB 4GB

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. R7s

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

  2. 2. R7s

    3070 mAh

    +70 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. R7s

Everyday essentials
Everyday essentials — specifications for K40, R7s.
SpecificationK40R7s
Dimensions (HxWxD)
  • 153 Х 71.9 Х 8.3 mm
  • 151.8 Х 75.4 Х 7 mm
Weight
  • 150 g
  • 155 g
Technology
  • IPS LCD
  • AMOLED
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
  • 32 GB
  • 512GB 4GB
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
  • 3070 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 5.1 (Lollipop); 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, R7s.
SpecificationK40R7s
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%
  • 72.9%
PPI /points per inch/
  • 282 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for K40, R7s.
SpecificationK40R7s
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF
  • 13 MP
  • 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, R7s.
SpecificationK40R7s
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
  • 31150
GeekBench 4 Single Core * Unknown
  • 773
GeekBench 4 Multi-Core * Unknown
  • 3742
General specs
General specs — specifications for K40, R7s.
SpecificationK40R7s
Release date
  • 2019
  • February
  • 2015
  • October
Colors
  • Black
  • Platinum
  • Blue
  • Golden
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K40, R7s.
SpecificationK40R7s
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
  • USA -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 40(2300) - Global LTE band 1(2100)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Taiwan LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - 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 a/b/g/n/ac
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
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, R7s.
SpecificationK40R7s
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, R7s.
SpecificationK40R7s
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)