Xiaomi Redmi Note 8T vs Samsung Galaxy S21 Ultra Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.3 inches

6.8 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 409 PPI

3200 x 1440 pixels, 20:9 ratio, 516 PPI

Technology:

IPS LCD

Dynamic AMOLED

Refresh rate:

120Hz (adaptable)

Screen-to-body:

80.20 %

89.33 %

Peak brightness:

1500 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 665 SM6125 (11 nm)

Qualcomm Snapdragon 888 SM8350 (5 nm)

Processor:

Octa-core, 2000 MHz, Kryo 260, 64-bit

Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit

GPU:

Adreno 610

Adreno 660

RAM:

3GB

12GB LPDDR5

Internal storage:

32GB

128GB (UFS 3.1), not expandable

Storage expansion:

microSDXC up to 256 GB

Device type:

Smartphone

OS:

Android (9.0 Pie)

Android (13, 12, 11), Samsung One UI

Battery

Capacity:

4000 mAh

5000 mAh

Type:

Li - Polymer, Not user replaceable

Charging:

Fast charging

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Quad camera

Main camera:

48 MP (PDAF)

108 MP (OIS, Laser and PDAF)

Specifications:

F1.8; 26 mm; 1/2"; 0.8 μm

F1.8; 24 mm; 1/1.33"; 0.8 μm

Second camera:

8 MP (Ultra-wide)

10 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Third camera:

2 MP (Depth information)

12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Fourth camera:

2 MP (Macro)

10 MP (Periscope, OIS, PDAF)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Flash:

LED

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

EIS

OIS, HDR, Hyperlapse, Video light, EIS

Front:

13 MP

40 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.34 x 2.97 x 0.34 inches (161.15 x 75.4 x 8.6 mm)

6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)

Weight:

7.05 oz (199.8 g)

8.04 oz (229.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Plastic

Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum

Resistance:

Splash

Water, Dust; IP68

Biometrics:

Fingerprint (touch)

2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Moonlight white, Neptune blue, Space black

Phantom black, Silver

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

4G (TDD):

Bands 38(2600), 40(2300)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

3G:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

No 3.5mm jack

Speakers:

Earpiece, Loudspeaker

Earpiece, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

4.2

5.1

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0

Type-C (reversible), USB 3.2

Features:

Charging, OTG

Charging, Headphones port, OTG, Video out

Location:

GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

NFC, Infrared

NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 22, 2020

FCC ID value:

A3LSMG998U

Measured SAR:

Head:

0.77 W/kg

Body:

1.02 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.16 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200

In The Box:

Power adapter, USB Type-C cable, Removal tool for SIM card, User guide, Warranty card

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Jan 14, 2021

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