Side-by-side technical data

Xiaomi Redmi Note 8 (2021) vs Xiaomi Redmi 9

Comparison between Xiaomi Redmi Note 8 (2021) and Xiaomi Redmi 9: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.

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Redmi Note 8 (2021)

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Redmi 9

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The verdict

Your pick: Xiaomi Redmi Note 8 (2021), ahead on Design & display, Camera and Connectivity. Unless Battery & charging decides it for you.

Category
Category	Redmi Note 8 (2021)	Redmi 9
Design & display	5.5	4.5
Performance & hardware	2.8	2.6
Camera	5.5	4.3
Connectivity	5.5	5.2
Battery & charging	3.8	5.1

Which one is for you?

Xiaomi Redmi Note 8 (2021), if you care about…

Bluetooth Version: Bluetooth 5.2; against Bluetooth 5.0
Peak Display Brightness: 500 nits; against 400 nits
Display Pixel Density: 409 ppi; against 269 ppi
Fast Charge Power: 18 W; against 10 W

Xiaomi Redmi 9, if you care about…

Battery Capacity: 5,000 mAh; against 4,000 mAh
RAM Capacity: 6 GB; against 4 GB
Display Diagonal: 6.53″; against 6.3″
Max. upload speed: 150 Mbps; against 100 Mbps

Specification comparison

Show differences only

Performance

Specification	Redmi Note 8 (2021)	Redmi 9
Processor Model	MediaTek Helio G85	MediaTek Helio G35
Processor Process Size	12 nm	12 nm
Graphics GPU	Mali-G52 MC2	PowerVR GE8320
Storage Type	eMMC 5.1	eMMC 5.1
Maximum CPU Clock	2 GHz	2.3 GHz Best value
Maximum Storage Capacity	128 GB	128 GB
AnTuTu Score	225,154	203,078
Geekbench 6 Single-Core	424 Best value	189
Geekbench 6 Multi-Core	1,322 Best value	810
CPU Description	Octa-core processor with 2 Cortex-A75 cores at 2.0 GHz and 6 Cortex-A55 cores at 1.8 GHz.	Octa-core CPU with four Cortex-A53 cores at 2.3 GHz and four Cortex-A53 cores at 1.8 GHz
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	4 GB	6 GB Best value
RAM Type	LPDDR4X	LPDDR4X
Expandable Storage	Yes	Yes
AnTuTu version	v10	v8

Design

Specification	Redmi Note 8 (2021)	Redmi 9
Body Colors	Blue, White, Black	Black, Blue, Orange, Green, Cyan
Body Thickness	8.4 mm Best value	9 mm
Body Width	75.3 mm	77.1 mm
Body Height	158.3 mm	164.9 mm
Weight	190 g Best value	194 g
Usable Surface	81.7 % Best value	81 %
Body Materials	Glass, Plastic, P2i Nano Coating, Splash Resistant	Plastic, Splash Resistant
Resistance Features	—	Water Resistant

Battery

Specification	Redmi Note 8 (2021)	Redmi 9
Battery Capacity	4,000 mAh	5,000 mAh Best value
Battery Type	Li-Polymer	Li-Polymer
Fast Charge Power	18 W Best value	10 W
Battery Features	Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable	Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator

Display

Specification	Redmi Note 8 (2021)	Redmi 9
Display Aspect Ratio	19.5:9	20:9
Display Technology	IPS LCD	IPS LCD
Peak Display Brightness	500 nits Best value	400 nits
Display Diagonal	6.3″	6.53″ Best value
Display Horizontal Resolution	1,080 px Best value	720 px
Display Vertical Resolution	2,340 px Best value	1,600 px
Display Pixel Density	409 ppi Best value	269 ppi
Display Refresh Rate	60 Hz	—
Display Contrast Ratio	1,500 :1	1,500 :1
Display Features	Gorilla Glass 5, Water Drop Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, Touchscreen	Water Drop Notch, TÜV Rheinland Eye Comfort Certification, Scratch Resistant, Gorilla Glass 3, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Touchscreen

Sensors

Specification	Redmi Note 8 (2021)	Redmi 9
Fingerprint Sensor Placement	Rear	Rear

Sensor

Specification	Redmi Note 8 (2021)	Redmi 9
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor	Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor, Virtual Proximity Sensing

Software

Specification	Redmi Note 8 (2021)	Redmi 9
Operating System	Android 11	Android 10
OS Family	Android	Android
OS Version	11 Best value	10
Google Services	Yes	Yes

Connectivity

Specification	Redmi Note 8 (2021)	Redmi 9
SIM Configurations	Dual Nano-SIM, Dual SIM Dual Standby	Dual Nano-SIM, Dual SIM Dual Standby
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1700 AWS, 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, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41
Cellular Technologies	GSM, HSPA, UMTS, LTE, 4G	GSM, HSPA, UMTS, LTE, 4G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac	Wi-Fi 802.11a/b/g/n, Wi-Fi 5 (802.11ac)
Wi-Fi Features	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display	Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
Bluetooth Version	Bluetooth 5.2 Best value	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE	A2DP, LE
Navigation Systems	GPS, A-GPS, GLONASS, BeiDou, Galileo Best value	GPS, A-GPS, GLONASS, BeiDou
Connectivity Features	3.5 mm Audio Jack, Infrared, FM Radio, USB Type-C, USB OTG, USB Host, USB Mass Storage, USB Charging, Computer Sync, OTA Sync, Tethering, VoLTE	3.5 mm Audio Jack, FM Radio, Computer Sync, Infrared, NFC, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage
USB Version	USB 2.0	microUSB
SAR American Head	0.97 W/kg	0.51 W/kg Best value
SAR American Body	0.75 W/kg Best value	0.83 W/kg
SAR (EU) head	0.57 W/kg Best value	0.789 W/kg
SAR (EU) body	0.94 W/kg Best value	1.065 W/kg
Max. download speed	300 Mbps	300 Mbps
Max. upload speed	100 Mbps	150 Mbps Best value

Audio

Specification	Redmi Note 8 (2021)	Redmi 9
Microphone Count	—	2
Audio Features	A2DP, LE, Loudspeaker	A2DP, LE, Loudspeaker, Noise-Cancellation Microphone

Technical

Specification	Redmi Note 8 (2021)	Redmi 9
Model numbers	M1908C3JGG	M2004C3MI