Xiaomi Redmi Note 10 Pro vs Samsung Galaxy S21 Ultra Specs Comparison

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

Display

Size:

6.7 inches
6.8 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 395 PPI
3200 x 1440 pixels, 20:9 ratio, 516 PPI

Technology:

AMOLED
Dynamic AMOLED

Refresh rate:

120Hz
120Hz (adaptable)

Screen-to-body:

85.62 %
89.33 %

Peak brightness:

1200 cd/m2 (nit)
1500 cd/m2 (nit)

Features:

HDR support, 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 732G SM7150-AC (8 nm)
Qualcomm Snapdragon 888 SM8350 (5 nm)

Processor:

Octa-core, 2300 MHz, Kryo 470, 64-bit
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit

GPU:

Adreno 618
Adreno 660

RAM:

6GB LPDDR4
12GB LPDDR5

Internal storage:

64GB (UFS 2.2)
128GB (UFS 3.1), not expandable

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

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

Battery

Capacity:

5020 mAh
5000 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 4+
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 33.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Quad camera
Quad camera

Main camera:

108 MP (Autofocus)
108 MP (OIS, Laser and PDAF)

Specifications:

Aperture size: F1.9; Sensor size: 1/1.52”; Pixel size: 0.7 μm
Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)
10 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2
Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Third camera:

5 MP (Telephoto, Macro, Autofocus)
12 MP (Ultra-wide, PDAF)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Fourth camera:

2 MP (Depth information)
10 MP (Periscope, OIS, PDAF)

Specifications:

Aperture size: F2.4
Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Flash:

LED
LED

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

OIS, HDR, Hyperlapse, Video light, EIS

Front:

16 MP
40 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.46 x 3.01 x 0.32 inches (164 x 76.5 x 8.1 mm)
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)

Weight:

6.77 oz (192.0 g)
8.04 oz (229.0 g)

Materials:

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

Resistance:

Splash; IP53
Water, Dust; IP68

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Onyx Gray, Glacier Blue, Gradient Bronze
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), 32(1500 L-band)
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), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

3G:

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

Data Speed:

LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker, Multiple speakers
Earpiece, Multiple speakers

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
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)
Type-C (reversible), USB 3.2

Features:

Charging
Charging, Headphones port, OTG, Video out

Location:

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

Sensors:

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

Other:

NFC, Infrared
NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 28, 2021
Dec 22, 2020

FCC ID value:

2AFZZK6R
A3LSMG998U

Measured SAR:

Head:

1.09 W/kg
0.77 W/kg

Body:

1.01 W/kg
1.02 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

0.80 W/kg
1.16 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 279
$ 1200

In The Box:

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Mar 04, 2021
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless