Samsung Galaxy S21 Ultra vs Xiaomi Redmi Note 11 Pro 5G Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

9.1
Samsung Galaxy S21 Ultra
8.5
Xiaomi Redmi Note 11 Pro 5G
Samsung Galaxy S21 Ultra Xiaomi Redmi Note 11 Pro 5G
Released · Jan 29, 2021
Released · Feb 18, 2022
6.8-inch
6.7-inch
Quad camera
Triple camera
12GB · 128GB
6GB · 64GB
5000 mAh
5000 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021
Prices (MSRP)
$1200 | €1399

Design

Dimensions
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
6.46 x 3.00 x 0.32 inches
164.19 x 76.1 x 8.12 mm
Weight
8.04 oz (229.0 g) 7.13 oz (202.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver Graphite Gray, Polar White, Atlantic Blue

Display

Size
6.8-inch, 89.33% screen-to-body 6.7-inch, 113.62% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits Super AMOLED, 120Hz, HDR, 1200 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI 2400x2080px, 20:9 ratio, 476 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Snapdragon 665G SM6375 (6 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
2x2.2GHz Cortex-A78
6x1.7 GHz Cortex-A55
GPU
Adreno 660 Adreno 619
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
6GB/64GB (UFS 2.2)
6GB/128GB
8GB/128GB
Storage expansion
not expandable microSDXC up to 1024 GB
OS
Android (14, 13, 12, 11) Android (11)

Battery

Type
5000 mAh, Li - Polymer 5000 mAh
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Fast charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 67.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
12h 17min
Gaming
Untested

Camera

Rear
Quad camera Triple camera
Main camera
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
108 MP (PDAF)
Aperture size: F1.9
Focal length: 26 mm
Sensor size: 1/1.52”
Pixel size: 0.7 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
8 MP (Ultra-wide)
Third camera
10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
2 MP (Macro)
Aperture size: F2.4
Focal Length: 50 mm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
LED LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
16 MP

Connectivity & Features

Bluetooth
5.1 5.1
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 b, g, n, ac
USB
Type-C, USB 3.2 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC, Infrared

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 3, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 3, 4, 5, 6, 8, 19
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

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

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
With 128GB internal storage
Memory 128GB
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
With 8GB RAM and 128GB internal storage
Memory 8GB/128GB
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 8.01 oz (227.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless