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Galaxy S21 Ultra 5G vs Mi Note 10

Samsung Galaxy S21 Ultra 5G vs Xiaomi Mi Note 10

What Galaxy S21 Ultra 5G does better (19) and where Mi Note 10 wins (5) — every spec side by side.

Samsung · 2021Galaxy S21 Ultra 5G

9.0Score

19 advantages≈ $260

Higher score

Xiaomi · 2019Mi Note 10

7.6Score

5 advantages≈ $240

9.1Display6.6

9.8Camera8.7

6.2Battery7.3

9.4Features5.0

Dimensions

Size comparison

Galaxy S21 Ultra 5GMi Note 10

	Galaxy S21 Ultra 5G	Mi Note 10	Difference
Height	165.1 mm	157.8 mm	+7.3 mm
Width	75.6 mm	74.2 mm	+1.4 mm
Thickness	8.9 mm	9.7 mm	−0.8 mm
Weight	227 g	208 g	+19 g

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

Why is Galaxy S21 Ultra 5G better than Mi Note 10?

RAM16 GB vs 6 GB2.7×
Peak brightness1,500 nits vs 600 nits2.5×
Storage (max)512 GB vs 128 GB4×
Optical zoom10× vs 2×5×
Wireless chargingYes · Mi Note 10: No
5GYes · Mi Note 10: No
Stereo speakersYes · Mi Note 10: No
CPU frequency2.9 GHz vs 2.2 GHz+32%
Pixel density515 ppi vs 398 ppi+29%
Max video8K vs 4K
4K video frame rate60 fps vs 30 fps2×
4K selfie videoYes · Mi Note 10: No

Why is Mi Note 10 better than Galaxy S21 Ultra 5G?

Battery capacity5,000 mAh vs 5,260 mAh+5%
Wired charging25 W vs 30 W+20%
Weight227 g vs 208 g+9%
Rear cameras4 vs 5+25%
Main camera aperturef/1.8 vs f/1.7+6%

Specifications

Side by side

Only differences	Samsung Galaxy S21 Ultra 5G≈ $2609.0	Xiaomi Mi Note 10≈ $2407.6
Design
Weight	227 g	208 g
Thickness	8.9 mm	9.7 mm
Height	165.1 mm	157.8 mm
Width	75.6 mm	74.2 mm
Frame	Aluminium	Aluminium
Back	Glass	Glass
Ingress protection	IP68	—
Water resistance (IPx)	IPx8	—
Glass protection	Corning Gorilla Glass Victus	Gorilla Glass
Colours	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy	—
Stylus	Yes	—
Display
Screen size	6.8″	6.5″
Panel	Dynamic AMOLED 2X	AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,440 px	1,080 px
Resolution (height)	3,200 px	2,340 px
Pixel density	515 ppi	398 ppi
Refresh rate	120 Hz	—
Peak brightness	1,500 nits	600 nits
Measured brightness	1,023 nits	—
Screen-to-body ratio	89.8%	—
HDR	Yes	Yes
Performance
Chipset	Exynos 2100 - International	Qualcomm Snapdragon 730G
Chip maker	Qualcomm	Qualcomm
Process	5 nm	—
CPU cores	8	8
CPU frequency	2.9 GHz	2.2 GHz
GPU	Mali-G78 MP14 - International Adreno 660 - USA/China	Adreno 618
AnTuTu score	657,150	—
Geekbench 6 (multi-core)	3,518	—
Memory
RAM	16 GB	6 GB
Storage (max)	512 GB	128 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 3.1	—
Memory card slot	No	No
Camera
Main camera	108 MP	108 MP
Main camera aperture	f/1.8	f/1.7
Main sensor size	1/1.33"	—
Rear cameras	4	5
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	Yes
Optical zoom	10×	2×
Max video	8K	4K
4K video frame rate	60 fps	30 fps
Selfie camera	40 MP	32 MP
4K selfie video	Yes	No
Battery
Battery capacity	5,000 mAh	5,260 mAh
Battery type	Li-Ion	—
Wired charging	25 W	30 W
Charged in 30 min	54%	—
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 version	3.2	—
Ultra Wideband	Yes	—
Satellite navigation	GLONASS, GALILEO, BDS	GPS, GLONASS, GALILEO, BDS
Features
Stereo speakers	Yes	No
3.5 mm headphone jack	No	—
Loudspeaker loudness	-25.5 LUFS	—
Fingerprint sensor	Under display, ultrasonic	Under display
Barometer	Yes	—
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer	—
SAR (head)	0.71 W/kg	—
Software
OS at launch	Android 11	Android 9.0 Pie
Platform	Android	Android
Interface	One UI 7	Miui V11
Major OS updates promised	4	—