Coolpad Legacy 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

    Legacy:
    LCD
    Redmi K20:
    OLED
  • Weight

    Legacy: 21 g lighter

    Legacy:
    170 g
    Redmi K20:
    191 g
  • Width

    Redmi K20: 6.2 mm narrower

    Legacy:
    80.5 mm
    Redmi K20:
    74.3 mm
  • Chipset

    Legacy:
    Qualcomm SDM450 Snapdragon 450 (14 nm)
    Redmi K20:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Rear camera layout

    Legacy:
    Dual
    Redmi K20:
    Triple
  • Height

    Redmi K20: 9.2 mm shorter

    Legacy:
    165.9 mm
    Redmi K20:
    156.7 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. Legacy

    Height:
    165.9 mm +9.2 mm versus Redmi K20
    Width:
    80.5 mm +6.2 mm versus Redmi K20
    Depth:
    8.4 mm
  2. 2. Redmi K20

    Height:
    156.7 mm
    Width:
    74.3 mm
    Depth:
    8.8 mm

Weight

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

  1. 1. Legacy

    170 g

  2. 2. Redmi K20

    191 g

    +21 g versus Legacy

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. Legacy

    Screen diagonal:
    6.36 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    104.4 cm²
  2. 2. Redmi K20

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

Legacy has approximately 4.1% more rectangular screen area than Redmi K20.

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 Legacy, Redmi K20, compared at the same storage capacity.
StorageLegacyRedmi K20
32 GB 3 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. Legacy

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

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. Legacy

    4000 mAh

  2. 2. Redmi K20

    4000 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. Legacy2. Redmi K20

Everyday essentials
Everyday essentials — specifications for Legacy, Redmi K20.
SpecificationLegacyRedmi K20
Dimensions (HxWxD)
  • 165.9 Х 80.5 Х 8.4 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 170 g
  • 191 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 6.36" inch
  • 6.39" inch
Screen resolution
  • 1080 x 2160 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 256 GB
  • 8 GB RAM 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 128 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Legacy, Redmi K20.
SpecificationLegacyRedmi K20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 104.4 cm2
  • 100.2 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 78.2%
  • 86.1%
PPI /points per inch/
  • 380 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Legacy, Redmi K20.
SpecificationLegacyRedmi K20
Rear camera, main
  • 16 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 16 MP
  • AF -5 MP
  • 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
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 13 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 Legacy, Redmi K20.
SpecificationLegacyRedmi K20
Processor CPU
  • Octa-core 1.8 GHz Cortex-A53
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 506
  • Adreno 618
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 Legacy, Redmi K20.
SpecificationLegacyRedmi K20
Release date
  • 2019
  • May
  • 2019
  • May
Colors
  • Silver
  • Carbon black
  • Flame red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 260 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Legacy, Redmi K20.
SpecificationLegacyRedmi K20
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 66(1700/2100)
  • 71(600)
  • 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
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Legacy, Redmi K20.
SpecificationLegacyRedmi K20
Radio Unknown
  • 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 Legacy, Redmi K20.
SpecificationLegacyRedmi K20
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 15W - For USA
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - Also known as Xiaomi Mi 9T in Russia