Asus PadFone 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

    PadFone S:
    LCD
    Redmi K20:
    OLED
  • Weight

    PadFone S: 41 g lighter

    PadFone S:
    150 g
    Redmi K20:
    191 g
  • Width

    PadFone S: 1.8 mm narrower

    PadFone S:
    72.5 mm
    Redmi K20:
    74.3 mm
  • Screen diagonal

    PadFone S: 1.39 in smaller diagonal

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

    PadFone S:
    Qualcomm MSM8974AB Snapdragon 801 (28 nm)
    Redmi K20:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Rear camera layout

    PadFone 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. PadFone S

    Height:
    143.4 mm
    Width:
    72.5 mm
    Depth:
    10 mm +1.2 mm versus Redmi K20
  2. 2. Redmi K20

    Height:
    156.7 mm +13.3 mm versus PadFone S
    Width:
    74.3 mm +1.8 mm versus PadFone S
    Depth:
    8.8 mm

Weight

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

  1. 1. PadFone S

    150 g

  2. 2. Redmi K20

    191 g

    +41 g versus PadFone 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. PadFone 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 PadFone 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 PadFone S, Redmi K20, compared at the same storage capacity.
StoragePadFone SRedmi K20
16 GB 2 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. PadFone 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. PadFone S

    2300 mAh

  2. 2. Redmi K20

    4000 mAh

    +1700 mAh versus PadFone 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. PadFone S2. Redmi K20

Everyday essentials
Everyday essentials — specifications for PadFone S, Redmi K20.
SpecificationPadFone SRedmi K20
Dimensions (HxWxD)
  • 143.4 Х 72.5 Х 10 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 150 g
  • 191 g
Technology
  • Super IPS+ LCD
  • AMOLED
Screen size
  • 5" inch
  • 6.39" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 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.
  • 2300 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 6.0 (Marshmallow)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm MSM8974AB Snapdragon 801 (28 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for PadFone S, Redmi K20.
SpecificationPadFone 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
  • 66.3%
  • 86.1%
PPI /points per inch/
  • 441 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for PadFone S, Redmi K20.
SpecificationPadFone SRedmi K20
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 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
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 MP
  • f/2.0
  • 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 PadFone S, Redmi K20.
SpecificationPadFone SRedmi K20
Processor CPU
  • Quad-core 2.3 GHz Krait 400
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 330
  • Adreno 618
Antutu 7 score *
  • 43156
Unknown
GeekBench 4 Single Core *
  • 956
  • 2963
GeekBench 4 Multi-Core *
  • 2044
  • 10109
GeekBench 4 RenderScript *
  • 2201
Unknown
GeekBench 5 Single Core * Unknown
  • 525
GeekBench 5 Multi-Core * Unknown
  • 1629
General specs
General specs — specifications for PadFone S, Redmi K20.
SpecificationPadFone SRedmi K20
Release date
  • 2014
  • March
  • 2019
  • May
Colors
  • Titanium Black
  • Platinum White
  • Dark Ruby
  • Carbon black
  • Flame red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 417 h (2G) / Up to 528 h (3G) Talking time- Up to 30 h (2G) / Up to 22 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for PadFone S, Redmi K20.
SpecificationPadFone 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 900 / 1900 / 2100 -4G - LTE 700 / 900 / 1700/2100 / 1800 / 1900 / 2100 / 2600 LTE 800 / 900 / 1700/2100 / 1800 / 1900 / 2100 / 2600
  • 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
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • 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
  • microUSB 2.0 (SlimPort 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
Music and Audio
Music and Audio — specifications for PadFone S, Redmi K20.
SpecificationPadFone SRedmi K20
Radio
  • No
  • 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 PadFone S, Redmi K20.
SpecificationPadFone SRedmi K20
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Padfone Station with 9 inches IPS display
  • 1920 x 1200 pixels
  • 4990 mAh battery
  • front camera. 250.4 x 172.3 x 11.6 mm
  • 514 grams - Also known as Asus PadFone S PF500KL
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - Also known as Xiaomi Mi 9T in Russia