LG G3 S vs Xiaomi Redmi K20

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

    G3 S:
    LCD
    Redmi K20:
    OLED
  • Weight

    G3 S: 57 g lighter

    G3 S:
    134 g
    Redmi K20:
    191 g
  • Width

    G3 S: 4.7 mm narrower

    G3 S:
    69.6 mm
    Redmi K20:
    74.3 mm
  • Screen diagonal

    G3 S: 1.39 in smaller diagonal

    G3 S:
    5 in
    Redmi K20:
    6.39 in
  • Chipset

    G3 S:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
    Redmi K20:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Rear camera layout

    G3 S:
    Single
    Redmi K20:
    Triple

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. G3 S

    Height:
    137.7 mm
    Width:
    69.6 mm
    Depth:
    10.3 mm +1.5 mm versus Redmi K20
  2. 2. Redmi K20

    Height:
    156.7 mm +19 mm versus G3 S
    Width:
    74.3 mm +4.7 mm versus G3 S
    Depth:
    8.8 mm

Weight

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

  1. 1. G3 S

    134 g

  2. 2. Redmi K20

    191 g

    +57 g versus G3 S

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. G3 S

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Redmi K20

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Redmi K20 has approximately 45.4% more rectangular screen area than G3 S.

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 G3 S, Redmi K20, compared at the same storage capacity.
StorageG3 SRedmi K20
8 GB 1 GB RAM Unknown
Redmi K20: Original memory entry

256 GB · 8 GB RAM 64/128 GB · 6 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. G3 S

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. Redmi K20

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. G3 S

    2540 mAh

  2. 2. Redmi K20

    4000 mAh

    +1460 mAh versus G3 S

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. G3 S2. Redmi K20

Everyday essentials
Everyday essentials — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
Dimensions (HxWxD)
  • 137.7 Х 69.6 Х 10.3 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 134 g
  • 191 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5" inch
  • 6.39" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 256 GB
  • 8 GB RAM 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2540 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 71.9%
  • 86.1%
PPI /points per inch/
  • 294 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • laser AF
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.4
  • 53mm (telephoto)
  • 1/4''
  • 1.12µm
  • PDAF
  • 2x optical zoom -13 MP
  • 12mm (ultrawide)
  • 1/3''
Functions
  • LED flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 1.3 MP
  • Motorized pop-up 20 MP
  • f/2.2
  • 0.8µm
Performance

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

Performance — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 305
  • Adreno 618
Antutu 7 score *
  • 18321
Unknown
GeekBench 4 Single Core *
  • 430
  • 2963
GeekBench 4 Multi-Core *
  • 1133
  • 10109
GeekBench 4 RenderScript *
  • 667
Unknown
GeekBench 5 Single Core * Unknown
  • 525
GeekBench 5 Multi-Core * Unknown
  • 1629
General specs
General specs — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
Release date
  • 2014
  • July
  • 2019
  • May
Colors
  • Metallic Black
  • Silk White
  • Shine Gold
  • Carbon black
  • Flame red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 750 h (3G) Talking time- Up to 16 h (2G) / Up to 15 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 - D722
  • D722K (HK) HSDPA 850 / 900 / 2100 - D722K (India) -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800) - D722 LTE band 1(2100)
  • 3(1800)
  • 8(900)
  • 20(800) - D722 (Italy) LTE 700 / 900 / 1800 / 2100 / 2600 MHz / 2300 - D722K (HK)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • LE
  • aptX
  • 5.0
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR - 0.53 W/kg (head) 0.73 W/kg (body) SAR EU - 0.55 W/kg (head) 0.43 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
Radio
  • FM radio
  • RDS
  • Yes
Others
  • Active noise cancellation with dedicated mic
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for G3 S, Redmi K20.
SpecificationG3 SRedmi K20
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Also known as LG G3 Beat
  • LG G3 Vigor (AT&T
  • Sprint) Versions: LG D722 for Europe LG D725 for AT&T LG D728 for China LG D722K for Taiwan
  • Hong Kong
  • India LG D724 for CIS
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - Also known as Xiaomi Mi 9T in Russia