LG K20 plus vs Xiaomi Mi Mix Alpha

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

    K20 plus:
    LCD
    Mi Mix Alpha:
    OLED
  • Weight

    K20 plus: 101 g lighter

    K20 plus:
    140 g
    Mi Mix Alpha:
    241 g
  • Width

    Mi Mix Alpha: 2.9 mm narrower

    K20 plus:
    75.2 mm
    Mi Mix Alpha:
    72.3 mm
  • Screen diagonal

    K20 plus: 2.62 in smaller diagonal

    K20 plus:
    5.3 in
    Mi Mix Alpha:
    7.92 in
  • Chipset

    K20 plus:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
    Mi Mix Alpha:
    Qualcomm SM8150 Snapdragon 855+ (7 nm)
  • Rear camera layout

    K20 plus:
    Single
    Mi Mix Alpha:
    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. K20 plus

    Height:
    148.6 mm
    Width:
    75.2 mm +2.9 mm versus Mi Mix Alpha
    Depth:
    7.9 mm
  2. 2. Mi Mix Alpha

    Height:
    154.4 mm +5.8 mm versus K20 plus
    Width:
    72.3 mm
    Depth:
    10.4 mm +2.5 mm versus K20 plus

Weight

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

  1. 1. K20 plus

    140 g

  2. 2. Mi Mix Alpha

    241 g

    +101 g versus K20 plus

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. K20 plus

    Screen diagonal:
    5.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    77.4 cm²
  2. 2. Mi Mix Alpha

    Mi Mix Alpha: Screen geometry unavailable or conflicting.

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.

K20 plus: Original memory entry

16 GB(VS501) /32 GB · 2 GB RAM

Mi Mix Alpha: Original memory entry

512GB 12GB RAM · UFS3.0

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. K20 plus

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

2. Mi Mix Alpha

NFC:
Unknown
Headphone jack:
No
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. K20 plus

    2700 mAh

  2. 2. Mi Mix Alpha

    4050 mAh

    +1350 mAh versus K20 plus

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. K20 plus2. Mi Mix Alpha

Everyday essentials
Everyday essentials — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
Dimensions (HxWxD)
  • 148.6 Х 75.2 Х 7.9 mm
  • 154.4 Х 72.3 Х 10.4 mm
Weight
  • 140 g
  • 241 g
Technology
  • IPS LCD
  • Flexible Super AMOLED
Screen size
  • 5.3" inch
  • 7.92" inch
Screen resolution
  • 720 x 1280 px
  • 2088 x 2250 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB(VS501) /32 GB
  • 2 GB RAM
  • 512GB 12GB RAM
  • UFS3.0
Memory card support
  • microSD
  • up to 256 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2700 mAh
  • Removable Li-Ion
  • 4050 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 10
Chipset
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Qualcomm SM8150 Snapdragon 855+ (7 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 77.4 cm2
  • 201.8 cm2
Screen format
  • 16:9 (height:width)
Unknown
Screen to body ratio
  • 69.3%
  • 180.8%
PPI /points per inch/
  • 277 PPI
  • 388 PPI
Screen protection
  • Corning Gorilla Glass 3 (T-Mobile)
Unknown
Camera and Video
Camera and Video — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
Rear camera, main
  • 13 MP
  • Single
  • 108 MP
  • Triple
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • AF
  • 108 MP
  • f/1.7
  • (wide)
  • 1/1.33''
  • 0.8µm
  • PDAF
  • Laser AF -12 MP
  • f/2.0
  • 54mm (telephoto)
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • laser AF
  • 2x optical zoom -20 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/2.8''
  • 1.0µm
Functions
  • LED flash
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 3240p@30fps
  • 2160p@30/60fps
  • 1080p@30/120/240fps
  • 1080p@960fps
Front camera, selfie
  • 5 MP
  • Single
  • 108 MP
  • Triple
Specifications
  • 5 MP
  • f/2.4
  • 1/5''
  • 1.12µm
  • uses main camera
Performance

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

Performance — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
Processor CPU
  • Quad-core 1.4 GHz Cortex-A53
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 308
  • Adreno 640 (700 MHz)
GeekBench 4 Single Core *
  • 595
Unknown
GeekBench 4 Multi-Core *
  • 1607
Unknown
GeekBench 4 RenderScript *
  • 1079
Unknown
Antutu 8 score * Unknown
  • 480830
General specs
General specs — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
Release date
  • 2016
  • December
  • 2019
  • September
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 2500 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 31 h
Unknown
Body build Unknown
  • Glass front
  • ceramic/glass back
  • titanium alloy frame (TC4)
Communication and Connectivity
Communication and Connectivity — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 - Verizon -3G - HSDPA 850 / 1700(AWS) / 1900 - T-Mobile & MetroPCS CDMA2000 1xEV-DO - Verizon HSDPA 850 / 900 / 1900 / 2100 - Verizon -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700) - T-Mobile & MetroPCS LTE band 2(1900)
  • 13(700) - Verizon
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G SA / NSA / Sub6 / mmWave; N41/N78/N79
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (7CA) Cat20 2048/150 Mbps
  • 5G (2+ Gbps DL)
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • S-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
Radio
  • No
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for K20 plus, Mi Mix Alpha.
SpecificationK20 plusMi Mix Alpha
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - For T-Mobile & MetroPCS; K20 V VS501 (Verizon)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 40W