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Galaxy S21 Ultra 5G vs Redmi Note 11

Samsung Galaxy S21 Ultra 5G vs Xiaomi Redmi Note 11

What Galaxy S21 Ultra 5G does better (29) and where Redmi Note 11 wins (5) — every spec side by side.

Samsung · 2021Galaxy S21 Ultra 5G

9.0Score

29 advantages≈ $260

Higher score

Xiaomi · 2022Redmi Note 11

6.1Score

5 advantages≈ $180

9.1Display7.1

6.7Performance2.9

9.8Camera6.2

6.2Battery6.0

9.4Features4.6

Dimensions

Size comparison

Galaxy S21 Ultra 5GRedmi Note 11

	Galaxy S21 Ultra 5G	Redmi Note 11	Difference
Height	165.1 mm	159.9 mm	+5.2 mm
Width	75.6 mm	73.9 mm	+1.7 mm
Thickness	8.9 mm	8.1 mm	+0.8 mm
Weight	227 g	179 g	+48 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy S21 Ultra 5G better than Redmi Note 11?

AnTuTu score657,150 vs 228,0442.9×
RAM16 GB vs 6 GB2.7×
Main camera108 MP vs 50 MP2.2×
Geekbench 6 (multi-core)3,518 vs 1,6622.1×
Water resistance (IPx)IPx8 vs IPx32.7×
Storage (max)512 GB vs 128 GB4×
Optical stabilisationYes · Redmi Note 11: No
Telephoto cameraYes · Redmi Note 11: No
Wireless chargingYes · Redmi Note 11: No
5GYes · Redmi Note 11: No
Refresh rate120 Hz vs 90 Hz+33%
Peak brightness1,500 nits vs 1,000 nits+50%

Why is Redmi Note 11 better than Galaxy S21 Ultra 5G?

Wired charging25 W vs 33 W+32%
Weight227 g vs 179 g+27%
Memory card slotNo · Galaxy S21 Ultra 5G: Yes
3.5 mm headphone jackNo · Galaxy S21 Ultra 5G: Yes
Thickness8.9 mm vs 8.1 mm+10%

Specifications

Side by side

Only differences	Samsung Galaxy S21 Ultra 5G≈ $2609.0	Xiaomi Redmi Note 11≈ $1806.1
Design
Weight	227 g	179 g
Thickness	8.9 mm	8.1 mm
Height	165.1 mm	159.9 mm
Width	75.6 mm	73.9 mm
Frame	Aluminium	Plastic
Back	Glass	Plastic
Ingress protection	IP68	IP53
Water resistance (IPx)	IPx8	IPx3
Glass protection	Corning Gorilla Glass Victus	Corning Gorilla Glass 3
Colours	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy	Graphite Gray, Twilight Blue, Star Blue
Stylus	Yes	—
Display
Screen size	6.8″	6.4″
Panel	Dynamic AMOLED 2X	AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,440 px	1,080 px
Resolution (height)	3,200 px	2,400 px
Pixel density	515 ppi	409 ppi
Refresh rate	120 Hz	90 Hz
Peak brightness	1,500 nits	1,000 nits
Measured brightness	1,023 nits	736 nits
Screen-to-body ratio	89.8%	84.5%
HDR	Yes	—
Performance
Chipset	Exynos 2100 - International	Qualcomm SM6225 Snapdragon 680 4G
Chip maker	Qualcomm	Qualcomm
Process	5 nm	6 nm
CPU cores	8	8
CPU frequency	2.9 GHz	2.4 GHz
GPU	Mali-G78 MP14 - International Adreno 660 - USA/China	Adreno 610
AnTuTu score	657,150	228,044
Geekbench 6 (multi-core)	3,518	1,662
Memory
RAM	16 GB	6 GB
Storage (max)	512 GB	128 GB
Storage (base)	128 GB	64 GB
Storage type	UFS 3.1	UFS 2.2
Memory card slot	No	Yes
Camera
Main camera	108 MP	50 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	1/1.33"	1/2.76"
Rear cameras	4	2
Optical stabilisation	Yes	No
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	No
Optical zoom	10×	—
Max video	8K	1080p
4K video frame rate	60 fps	—
Selfie camera	40 MP	13 MP
4K selfie video	Yes	No
Battery
Battery capacity	5,000 mAh	5,000 mAh
Battery type	Li-Ion	Li-Po
Wired charging	25 W	33 W
Charged in 30 min	54%	50%
Wireless charging	Yes	No
Wireless charging power	15 W	—
Reverse wireless charging	Yes	—
Connectivity
5G	Yes	No
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6E	Wi-Fi 5
Bluetooth	5.2	5
NFC	Yes	Yes
USB	USB Type-C 3.2	USB Type-C 2.0
USB version	3.2	2
Ultra Wideband	Yes	—
Infrared port	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	Yes
Loudspeaker loudness	-25.5 LUFS	-25.8 LUFS
Fingerprint sensor	Under display, ultrasonic	Side
Barometer	Yes	—
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer	Fingerprint (side-mounted), accelerometer, gyro, compass
SAR (head)	0.71 W/kg	0.6 W/kg
Software
OS at launch	Android 11	Android 11
Platform	Android	Android
Interface	One UI 7	HyperOS
Major OS updates promised	4	—