LG Optimus G E975 vs Xiaomi Redmi K20

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Optimus G E975:
    LCD
    Redmi K20:
    OLED
  • Weight

    Optimus G E975: 46 g lighter

    Optimus G E975:
    145 g
    Redmi K20:
    191 g
  • Width

    Optimus G E975: 5.4 mm narrower

    Optimus G E975:
    68.9 mm
    Redmi K20:
    74.3 mm
  • Screen diagonal

    Optimus G E975: 1.69 in smaller diagonal

    Optimus G E975:
    4.7 in
    Redmi K20:
    6.39 in
  • Chipset

    Optimus G E975:
    Qualcomm APQ8064 Snapdragon S4 Pro
    Redmi K20:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Rear camera layout

    Optimus G E975:
    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. Optimus G E975

    Height:
    131.9 mm
    Width:
    68.9 mm
    Depth:
    8.5 mm
  2. 2. Redmi K20

    Height:
    156.7 mm +24.8 mm versus Optimus G E975
    Width:
    74.3 mm +5.4 mm versus Optimus G E975
    Depth:
    8.8 mm

Weight

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

  1. 1. Optimus G E975

    145 g

  2. 2. Redmi K20

    191 g

    +46 g versus Optimus G E975

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. Optimus G E975

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    62.9 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 59.4% more rectangular screen area than Optimus G E975.

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.

Optimus G E975: Original memory entry

32 GB (25 GB user available) · 2 GB RAM

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. Optimus G E975

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

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. Optimus G E975

    2100 mAh

  2. 2. Redmi K20

    4000 mAh

    +1900 mAh versus Optimus G E975

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. Optimus G E9752. Redmi K20

Everyday essentials
Everyday essentials — specifications for Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
Dimensions (HxWxD)
  • 131.9 Х 68.9 Х 8.5 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 145 g
  • 191 g
Technology
  • True HD-IPS + LCD
  • AMOLED
Screen size
  • 4.7" inch
  • 6.39" inch
Screen resolution
  • 768 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.
  • 32 GB (25 GB user available)
  • 2 GB RAM
  • 256 GB
  • 8 GB RAM 64/128 GB
  • 6 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • upgradаble to 4.4.2 (KitKat)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm APQ8064 Snapdragon S4 Pro
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 62.9 cm2
  • 100.2 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 69.2%
  • 86.1%
PPI /points per inch/
  • 318 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 2
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 13 MP/8 MP
  • market dependent
  • 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 Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
Processor CPU
  • Quad-core 1.5 GHz Krait
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 320
  • Adreno 618
Antutu 7 score *
  • 17653
Unknown
GeekBench 4 Single Core * Unknown
  • 2963
GeekBench 4 Multi-Core * Unknown
  • 10109
GeekBench 5 Single Core * Unknown
  • 525
GeekBench 5 Multi-Core * Unknown
  • 1629
General specs
General specs — specifications for Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
Release date
  • 2012
  • August
  • 2019
  • May
Colors
  • Black
  • White
  • Carbon black
  • Flame red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 456 h (2G) / Up to 411 h (3G) Talking time- Up to 15 h (2G) / Up to 13 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - E975
  • E973
  • E971 -3G - HSDPA 900 / 2100 - E975 HSDPA 850 / 1900 / 2100 - E973
  • E971 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - E975 (market dependent) LTE band 4(1700/2100)
  • 17(700) - E973 LTE band 7(2600)
  • 17(700) - E971
  • 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 Cat3 100/50 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
  • dual-band
  • 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 (MHL TV-out)
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR - 0.58 W/kg (head) 1.08 W/kg (body) SAR EU - 0.43 W/kg (head) 0.40 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
Radio
  • Stereo FM radio
  • RDS
  • Yes
Others
  • Dolby Mobile -Active noise cancellation with dedicated mic
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Optimus G E975, Redmi K20.
SpecificationOptimus G E975Redmi K20
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -Photo viewer/editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - Also known as LG Optimus G E973
  • LG Optimus G E971
  • LG-F180
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - Also known as Xiaomi Mi 9T in Russia