Xiaomi Redmi Note 8 2021

Screen: 6.3" IPS LCD - 1080 x 2340
SoC: MediaTek Helio G85
Camera: 4 (48 MP + 8 MP + 2 MP + 2 MP)
Battery: 4000 mAh
OS: Android 13
Weight: 190 grams (6.7 oz)

Review

Display

54

Camera

62

Performance

37

Gaming

21

Battery

57

Connectivity

68

NanoReview Score

52

Display

Type	IPS LCD
Size	6.3 inches
Resolution	1080 x 2340 pixels
Aspect ratio	19.5:9
PPI	409 ppi
Refresh rate	60 Hz
Adaptive refresh rate	No
Max rated brightness	500 nits
HDR support	No
Screen protection	Corning Gorilla Glass 5
Screen-to-body ratio	81.7%

Display tests
RGB color space	99.4%
PWM	352 Hz
Response time	40 ms
Contrast	2611:1

Peak brightness test (auto)

616 nits

Design and build

Height	158.3 mm (6.23 inches)
Width	75.3 mm (2.96 inches)
Thickness	8.4 mm (0.33 inches)
Weight	190 g (6.7 oz)
Waterproof	No
Rear material	Glass
Frame material	Plastic
Colors	White, Black, Blue
Fingerprint scanner	Yes, rear

Screen-to-body ratio

81.7%

Performance

All specs and test Xiaomi Redmi Note 8 2021 in the benchmarks

SoC
Chipset	MediaTek Helio G85
Max clock	2000 MHz
CPU cores	8 (2 + 6)
Architecture	- 6 cores at 1.8 GHz: Cortex-A55 - 2 cores at 2 GHz: Cortex-A75
Lithography process	12 nanometers
Graphics	Mali-G52 MP2
GPU shading units	48
GPU clock	1000 MHz
FLOPS	~96 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)

508

Geekbench 6 (Multi-Core)

1545

AnTuTu Benchmark 10

231684

CPU	78905
GPU	32296
Memory	58067
UX	64383
Total score	231684

3DMark Wild Life Performance

715

Max surface temperature	43 °C
Stability	98%
Graphics test	4 FPS
Graphics score	715

PCMark 3.0

6898

Web score	5259
Video editing	5333
Photo editing	13554
Data manipulation	5968
Writing score	7242

Memory

RAM
RAM size	3, 4 GB
Memory type	LPDDR4X
Memory clock	1866 MHz
Channels	2

Storage
Storage size	64, 128 GB
Storage type	eMMC 5.1
Memory card	MicroSD
Memory card max size	Up to 256 GB

Software

Operating system	Android 11 (Can be upgraded to Android 13)
ROM	MIUI 14
OS size	17 GB

Battery

Capacity	4000 mAh
Max charge power	18 W
Battery type	Li-Po
Replaceable	No
Wireless charging	No
Reverse charging	No
Fast charging	Yes (34% in 30 min)
Full charging time	2:00 hr

Battery life tests
Web browsing	09:48 hr
Watching video	11:02 hr
Gaming	04:12 hr
Standby	90 hr

General battery life

26:58 hr

Camera

Specs and camera test of the Redmi Note 8 2021

Main camera
Matrix	48 megapixels
Image resolution	8000 x 6000
Zoom	Digital
Flash	LED
Stabilization	Digital
8K video recording	No
4K video recording	No
1080p video recording	Up to 30FPS
Slow motion	120 FPS (720p)
Angle of widest lens	118°
Lenses	4 (48 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens	- 48 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2" (CMOS) - Phase autofocus
Ultra-wide lens	- 8 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron - Sensor: 1/5" (CMOS)
Macro lens	- 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5" (CMOS)
Depth lens	- 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5" (CMOS)
Camera features	- Bokeh mode - Pro mode

Selfie camera
Megapixels	13 megapixels
Image resolution	4224 x 3136
Aperture	f/2.0
Focal length	28.21 mm
Pixel size	1.12 microns
Sensor type	CMOS
Sensor size	1/2.9"
Video resolution	1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard	Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5.2
Bluetooth features	LE, HID, A2DP
USB type	USB Type-C
USB version	2
USB features	- Charging - USB-Storage mode - OTG
GPS	GPS, GLONASS, Beidou, Galileo
NFC *	No
Infrared port	Yes

Network
Number of SIM *	2
Type of SIM card	Nano
Multi SIM mode	Standby
eSIM support *	No
Hybrid slot	No
LTE Cat *	7
2G network	GSM 1800 / 1900 / 850 / 900 МГц
3G network	WCDMA B1/2/4/5/8
4G network	LTE B1/2/3/4/5/7/8/20/28/B38/40
5G support	No