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Xiaomi Redmi Note 8 2021
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Phone Insight
Full Specifications September 4, 2026
Xiaomi · 2021

Xiaomi Redmi Note 8 2021

Xiaomi Redmi Note 8 2021 Android smartphone. Announced May 2021. Features 6.3″ display, MT6769Z Helio G85 chipset, 4000 mAh battery, 128 GB storage, 4 GB RAM, Corning Gorilla Glass 5.

Display 6.3"
Chipset Helio G85
RAM 3/4 GB
Storage 64GB/128GB storage, microSDXC
Camera 48 MP
Battery 4000 mAh
Build 190g, 8.4mm thickness

Launch

Announced 2021, May 25
Status Available. Released 2021, May 27

Platform

OS Android 11, MIUI 12.5
Chipset Mediatek MT6769Z Helio G85 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2

Display

Type IPS LCD, 500 nits (typ)
Size 6.3 inches, 97.4 cm 2 (~81.7% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection Corning Gorilla Glass 5

Memory

Card slot microSDXC (dedicated slot)
Internal 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
memoryother eMMC 5.1

Main Camera

Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Features LED flash, HDR, panorama
Video 1080p@30/120fps; gyro-EIS

Selfie camera

Single 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Features HDR, panorama
Video 1080p@30fps

Body

Dimensions 158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in)
Weight 190 g (6.70 oz)
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIM Nano-SIM + Nano-SIM

Battery

Type Li-Po 4000 mAh
Charging 18W wired

Sound

Loudspeaker Yes
3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.2, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC No
Infrared port Yes
Radio FM radio
USB USB Type-C 2.0, OTG

Network

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
Speed HSPA, LTE

Features

Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Our Tests

Performance AnTuTu: 180195 (v8), 165779 (v9) GeekBench: 5259 (v4.4), 1314 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen)
Display 1487:1 contrast ratio, 620 nits max brightness (measured)
Camera Photo / Video
Loudspeaker -28.6 LUFS (Average)
Battery (old) Endurance rating 102h

Misc

Colors Neptune Blue, Moonlight White, Space Black
Models M1908C3JGG
SAR 0.97 W/kg (head)     0.75 W/kg (body)
SAR EU 0.57 W/kg (head)     0.94 W/kg (body)
In depth

Full specifications

Announced 2021, May 25
Status Available. Released 2021, May 27
OS Android 11, MIUI 12.5
Chipset Mediatek MT6769Z Helio G85 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2
Type IPS LCD, 500 nits (typ)
Size 6.3 inches, 97.4 cm 2 (~81.7% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection Corning Gorilla Glass 5
Card slot microSDXC (dedicated slot)
Internal 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
memoryother eMMC 5.1
Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Features LED flash, HDR, panorama
Video 1080p@30/120fps; gyro-EIS
Single 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Features HDR, panorama
Video 1080p@30fps
Dimensions 158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in)
Weight 190 g (6.70 oz)
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIM Nano-SIM + Nano-SIM
Type Li-Po 4000 mAh
Charging 18W wired
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.2, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC No
Infrared port Yes
Radio FM radio
USB USB Type-C 2.0, OTG
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
Speed HSPA, LTE
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Performance AnTuTu: 180195 (v8), 165779 (v9) GeekBench: 5259 (v4.4), 1314 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen)
Display 1487:1 contrast ratio, 620 nits max brightness (measured)
Camera Photo / Video
Loudspeaker -28.6 LUFS (Average)
Battery (old) Endurance rating 102h
Colors Neptune Blue, Moonlight White, Space Black
Models M1908C3JGG
SAR 0.97 W/kg (head)     0.75 W/kg (body)
SAR EU 0.57 W/kg (head)     0.94 W/kg (body)
Price About 160 EUR
PhoneInsight Benchmark
39.3/100
Entry-level

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 28
Display 66.2
Camera 66.6
Battery 64
0.2%Popularity rank
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