Side-by-side technical data

Xiaomi Redmi Note 8 (2021) vs Xiaomi Redmi 9 Prime

Comparison between Xiaomi Redmi Note 8 (2021) and Xiaomi Redmi 9 Prime: 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 Prime

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The verdict

Your pick: Xiaomi Redmi 9 Prime, ahead on Performance & hardware and Battery & charging. Unless Camera decides it for you.

Category
Category	Redmi Note 8 (2021)	Redmi 9 Prime
Design & display	5.5	5.2
Performance & hardware	2.8	3.1
Camera	5.5	3.9
Connectivity	5.5	5.4
Battery & charging	3.8	5.4

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 395 ppi
Weight: 190 g; against 198 g

Xiaomi Redmi 9 Prime, if you care about…

Battery Capacity: 5,020 mAh; against 4,000 mAh
Display Diagonal: 6.53″; against 6.3″

Specification comparison

Show differences only

Performance

Specification	Redmi Note 8 (2021)	Redmi 9 Prime
Processor Model	MediaTek Helio G85	MediaTek Helio G80
Processor Process Size	12 nm	12 nm
Graphics GPU	Mali-G52 MC2	Mali-G52 MC2
Storage Type	eMMC 5.1	eMMC 5.1
Maximum CPU Clock	2 GHz	2 GHz
Maximum Storage Capacity	128 GB	128 GB
AnTuTu Score	225,154	203,078
Geekbench 6 Single-Core	424 Best value	416
Geekbench 6 Multi-Core	1,322	1,354 Best value
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 processor with 2 Cortex-A75 cores at 2.0 GHz and 6 Cortex-A55 cores at 1.8 GHz.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	4 GB	4 GB
RAM Type	LPDDR4X	LPDDR4X
Expandable Storage	Yes	Yes
AnTuTu version	v10	v8

Design

Specification	Redmi Note 8 (2021)	Redmi 9 Prime
Body Colors	Blue, White, Black	Blue, Green, Black, Orange, Cyan, Purple
Body Thickness	8.4 mm Best value	9.1 mm
Body Width	75.3 mm	77 mm
Body Height	158.3 mm	163.3 mm
Weight	190 g Best value	198 g
Usable Surface	81.7 %	83.2 % Best value
Body Materials	Glass, Plastic, P2i Nano Coating, Splash Resistant	Glass, Plastic, P2i Nano Coating, Splash Resistant
Resistance Features	—	Water Resistant

Battery

Specification	Redmi Note 8 (2021)	Redmi 9 Prime
Battery Capacity	4,000 mAh	5,020 mAh Best value
Battery Type	Li-Polymer	Li-Polymer
Fast Charge Power	18 W	18 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 Prime
Display Aspect Ratio	19.5:9	19.5:9
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	1,080 px
Display Vertical Resolution	2,340 px	2,340 px
Display Pixel Density	409 ppi Best value	395 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	Gorilla Glass 3, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless, Scratch Resistant, TÜV Rheinland Eye Comfort Certification

Sensors

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

Sensor

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

Software

Specification	Redmi Note 8 (2021)	Redmi 9 Prime
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 Prime
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 B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 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 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi Features	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display	Dual Band, 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, EDR, HID
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	USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE, VoWiFi
USB Version	USB 2.0	USB 2.0
SAR American Head	0.97 W/kg	0.85 W/kg Best value
SAR American Body	0.75 W/kg	0.42 W/kg Best value
SAR (EU) head	0.57 W/kg	—
SAR (EU) body	0.94 W/kg	—
Max. download speed	300 Mbps	300 Mbps
Max. upload speed	100 Mbps	100 Mbps

Audio

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

Technical

Specification	Redmi Note 8 (2021)	Redmi 9 Prime
Model numbers	M1908C3JGG	M2004J19PI