LG K40S vs Nokia Lumia 635

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

    Lumia 635: 7.2 mm narrower

    K40S:
    73.9 mm
    Lumia 635:
    66.7 mm
  • Screen diagonal

    Lumia 635: 1.6 in smaller diagonal

    K40S:
    6.1 in
    Lumia 635:
    4.5 in
  • Chipset

    K40S:
    Mediatek MT6762 Helio P22 (12 nm)
    Lumia 635:
    Qualcomm Snapdragon 400 (28 nm)
  • Rear camera layout

    K40S:
    Dual
    Lumia 635:
    Single
  • Depth

    K40S: 0.6 mm thinner

    K40S:
    8.6 mm
    Lumia 635:
    9.2 mm
  • Height

    Lumia 635: 26.8 mm shorter

    K40S:
    156.3 mm
    Lumia 635:
    129.5 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. K40S

    Height:
    156.3 mm +26.8 mm versus Lumia 635
    Width:
    73.9 mm +7.2 mm versus Lumia 635
    Depth:
    8.6 mm
    Weight:
    Unknown
  2. 2. Lumia 635

    Height:
    129.5 mm
    Width:
    66.7 mm
    Depth:
    9.2 mm +0.6 mm versus K40S
    Weight:
    134 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. Lumia 635

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

K40S has approximately 66.4% more rectangular screen area than Lumia 635.

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, Lumia 635, compared at the same storage capacity.
StorageK40SLumia 635
32 GB 2 / 3 GB RAM Alternative RAM configurations Unknown
Lumia 635: Original memory entry

8 GB · 512 MB/ 1 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. K40S

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (dedicated slot)

2. Lumia 635

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. K40S

    3500 mAh

    +1670 mAh versus Lumia 635

  2. 2. Lumia 635

    1830 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. Lumia 635

Everyday essentials
Everyday essentials — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
Dimensions (HxWxD)
  • 156.3 Х 73.9 Х 8.6 mm
  • 129.5 Х 66.7 Х 9.2 mm
Weight
  • 0 g
  • 134 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.1" inch
  • 4.5" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 854 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
  • 8 GB
  • 512 MB/ 1 GB RAM
Memory card support
  • microSD
  • up to 1 TB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm Snapdragon 400 (28 nm)
NFC
  • Yes (market/region dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 54.3 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.4%
  • 62.9%
PPI /points per inch/
  • 276 PPI
  • 221 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
Rear camera, main
  • 13 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 26mm (wide)
  • PDAF -5 MP
  • (ultrawide)
  • 5 MP
  • 1/4''
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 305
Antutu 7 score *
  • 76321
  • 11986
General specs
General specs — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
Release date
  • 2019
  • August
  • 2014
  • April
Colors
  • New Aurora Black
  • New Moroccan Blue
  • Bright orange
  • Bright Green
  • bright yellow
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 110 EUR
Battery life Unknown
  • Stand by time- Up to 648 h Talking time- Up to 12 h (2G) / Up to 14 h (3G) Music play - Up to 58 h
Communication and Connectivity
Communication and Connectivity — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-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 -3G - HSDPA 850 / 900 / 2100 - RM-974 HSDPA 850 / 1700 / 1900 / 2100 - RM-975 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800) - RM-974 LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - RM-975
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
Harmful irradiation Unknown
  • SAR - 0.97 W/kg (head) 0.77 W/kg (body) SAR EU - 0.75 W/kg (head) 0.79 W/kg (body)
Music and Audio
Music and Audio — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
Radio
  • No
  • FM radio
Others
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for K40S, Lumia 635.
SpecificationK40SLumia 635
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant
  • Sensors Accelerometer
  • sensor core - Versions: RM-974 (Global); RM-975 (USA)