Side-by-side technical data

Xiaomi Redmi K20 vs Xiaomi Redmi Note 9S

Comparison between Xiaomi Redmi K20 and Xiaomi Redmi Note 9S: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.

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Redmi K20

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Redmi Note 9S

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The verdict

Neither runs away with it: each wins something.

Category
Category	Redmi K20	Redmi Note 9S
Design & display	6.6	5.3
Performance & hardware	4.6	3.7
Camera	5.6	5.5
Connectivity	5.2	5.9
Battery & charging	3.8	5.4

Which one is for you?

Xiaomi Redmi K20, if you care about…

RAM Capacity: 8 GB; against 6 GB
Display Technology: Super AMOLED; against IPS LCD
Maximum Storage Capacity: 256 GB; against 128 GB
Peak Display Brightness: 600 nits; against 450 nits

Xiaomi Redmi Note 9S, if you care about…

Battery Capacity: 5,020 mAh; against 4,000 mAh
Wi-Fi Standards: Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax); against Wi-Fi 802.11a/b/g/n/ac
Expandable Storage: Yes; against No
Display Diagonal: 6.67″; against 6.39″

Specification comparison

Show differences only

Performance

Specification	Redmi K20	Redmi Note 9S
Processor Model	Qualcomm Snapdragon 730	Qualcomm Snapdragon 720G
Processor Process Size	8 nm	8 nm
Graphics GPU	Qualcomm Adreno 618	Qualcomm Adreno 618
Storage Type	UFS 2.1	UFS 2.1
Maximum CPU Clock	2.2 GHz	2.3 GHz Best value
Maximum Storage Capacity	256 GB Best value	128 GB
AnTuTu Score	261,545	303,263
Geekbench 6 Single-Core	—	738
Geekbench 6 Multi-Core	—	1,745
CPU Description	Octa-core: 2 × 2.2 GHz Kryo 470 Gold and 6 × 1.8 GHz Kryo 470 Silver	Octa-core CPU with 2 cores at 2.3 GHz and 6 lower-clocked efficiency cores.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	8 GB Best value	6 GB
RAM Type	—	LPDDR4X
Expandable Storage	No	Yes Best value
AnTuTu version	—	v9

Design

Specification	Redmi K20	Redmi Note 9S
Body Colors	Black, Red, Blue, White	Black, White, Blue, Grey
Body Thickness	8.8 mm	8.8 mm
Body Width	74.3 mm	76.7 mm
Body Height	156.7 mm	165.8 mm
Weight	191 g Best value	209 g
Usable Surface	86.1 % Best value	84.5 %
Body Materials	Glass, Aluminium Alloy Best value	Glass, Plastic, P2i Nano Coating
Resistance Features	—	Water Resistant

Battery

Specification	Redmi K20	Redmi Note 9S
Battery Capacity	4,000 mAh	5,020 mAh Best value
Battery Type	Li-Po	Li-Polymer
Fast Charge Power	18 W	18 W
Battery Features	Fast Charging, Battery Level Indicator, Rechargeable	Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator

Display

Specification	Redmi K20	Redmi Note 9S
Display Aspect Ratio	19.5:9	20:9
Display Technology	Super AMOLED Best value	IPS LCD
Peak Display Brightness	600 nits Best value	450 nits
Display Diagonal	6.39″	6.67″ Best value
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,340 px	2,400 px Best value
Display Pixel Density	403 ppi Best value	395 ppi
Display Refresh Rate	—	60 Hz
Display Contrast Ratio	6,000 :1 Best value	1,500 :1
Display Features	Gorilla Glass 5, HDR, Always-On Display, Capacitive Touch	Gorilla Glass 5, HDR10, Hole-Punch Notch, TÜV Rheinland Eye Comfort Certification, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, LED Notifications

Sensors

Specification	Redmi K20	Redmi Note 9S
Fingerprint Sensor Placement	Under Display	Side

Sensor

Specification	Redmi K20	Redmi Note 9S
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Virtual Proximity Sensing

Software

Specification	Redmi K20	Redmi Note 9S
Operating System	Android 9	Android 10
OS Family	Android	Android
OS Version	9	10 Best value
Google Services	—	Yes
Widevine L1	—	Yes

Connectivity

Specification	Redmi K20	Redmi Note 9S
SIM Configurations	Dual Nano-SIM	Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40
Cellular Technologies	GSM, HSPA, LTE, 4G	GSM, HSPA, UMTS, LTE, 4G, 2G, 3G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac	Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) Best value
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO
Bluetooth Version	Bluetooth 5.0	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE, aptX HD	A2DP, LE, EDR, HID
Navigation Systems	GPS, GLONASS, Galileo, BeiDou	GPS, A-GPS, GLONASS, Galileo, BeiDou, NavIC Best value
Connectivity Features	3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG, USB 2.0, DLNA, NFC	3.5 mm Audio Jack, Infrared, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE, VoWiFi, USB Charging, USB Mass Storage, USB OTG, USB Type-C
USB Version	USB 2.0	USB 2.0
SAR American Head	1.07 W/kg	0.96 W/kg Best value
SAR American Body	0.72 W/kg	0.4 W/kg Best value
SAR (EU) head	—	0.72 W/kg
SAR (EU) body	—	0.98 W/kg
Max. download speed	800 Mbps	800 Mbps
Max. upload speed	150 Mbps	150 Mbps

Audio

Specification	Redmi K20	Redmi Note 9S
Microphone Count	2	2
Audio Features	A2DP, LE, aptX HD, Loudspeaker, 24-bit/192kHz Audio, Hi-Res Audio	Stereo Speakers, Noise-Cancellation Microphone, Two Microphones, A2DP, LE, EDR, HID Best value

Technical

Specification	Redmi K20	Redmi Note 9S
Model numbers	M1903F10I	M2003J6A1G