Compare Samsung Galaxy S21 Ultra vs Xiaomi 11i IN - Phone rating

4 Xiaomi 11i IN

93.28$

Walmart

117.17$

Aliexpress

Why chose a Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra screen shows on 29.3% less grainy image then Xiaomi 11i IN. It`s pixel density is 516 ppi vs 399 ppi. The phone Samsung Galaxy S21 Ultra has on 6 Gb more memory then Xiaomi 11i IN. 12 Gb vs 6 Gb. Samsung Galaxy S21 Ultra on 24$ cheaper then Xiaomi 11i IN. At May 2025 it costs on Walmart 93$ vs 117$. Samsung Galaxy S21 Ultra has on 1.9% bigger screen then Xiaomi 11i IN. It`s diagonal is 6.8 inch vs 6.67 inch. Samsung Galaxy S21 Ultra supports more frequency bands than Xiaomi 11i IN. 50 vs 24 bands. Samsung Galaxy S21 Ultra has more camera sensors. 5 sensors vs 4 on Xiaomi 11i IN.
Why chose a Xiaomi 11i IN
Mobile phone Xiaomi 11i IN will work on 3.2% more time then Samsung Galaxy S21 Ultra. It`s battery has bigger capacity 5160 mAh vs 5000 mAh at the opponent.

Width
75.6 milimeters	76.2 milimeters
Height
165.1 milimeters	163.6 milimeters
Thickness
8.93 milimeters	8.33 milimeters
Weight
228 grams	207 grams
Materials
Glass, Aluminium	Polycarbonate, Glass
Colors
Black, White	Black, White, Green, Cyan, Rose-gold
Effective area
89 percents	86 percents
Resistance certificate
IP68
Operating system
Android 11	Android 11
Interface
	MIUI V12
Google play
Yes	Yes

Screen type
Amoled	Amoled
Screen futures
Hole-punch Notch, Refresh rate 120 Hz, Peak brightness - 1600 cd/m², Always-On Display, HDR10, Scratch resistant, Dual Edge display, Corning Gorilla Glass 7 Victus, S-Pen, Capacitive, Multi-touch, Frameless	Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 360 Hz, 4500000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless
Aspect Ratio
20 : 9	20 : 9
Screen resolution
1440 x 3200	1080 x 2400
Resolution type
WQHD	FHD
Density
516 ppi	399 ppi

Audio futures
DTS / DTS X, Hi-Res Audio, Noise cancellation microphone, Stereo Speakers	Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones
Headphone Jack
No	Yes
Radio
No	No

NFC
Yes	Yes
Voice over LTE
	Yes
PC sync
	Yes
OTA sync
Yes	Yes
Infrared
	Yes
Tethering
Yes	Yes
Sim cards
Dual SIM	Dual SIM
Wi-Fi standards
802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac	802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac
Wi-Fi futures
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO	Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
Bluetooth version
Bluetooth 5.0	Bluetooth 5.2
Navigation
GPS, A-GPS, GLONASS, Beidou, Galileo	GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC System

Memory size
12 Gigabytes	6 Gigabytes
RAM type
RAM LPDDR5	LPDDR4X RAM
CPU name
Samsung Exynos 2100	MediaTek Dimensity 920
CPU cores
1 cores Cortex X1 with speed 2.91 GHz 3 cores Cortex A78 with speed 2.81 GHz 4 cores Cortex A55 with speed 2.21 GHz
GPU name
ARM Mali-G78 MC14	Arm Mali-G68 MC4

Battery capacity
5000 mAh	5160 mAh
Battery type
Li-Polymer	Li-Ion Polymer
Battery futures
Wireless charging, Reverse charging, Non-removable, Wireless charging 15W, Reverse wireless charging 9W	Non-removable, QC3, / PD2.0 / PD3.0
USB Type C
Yes	Yes
Fast charge
Yes	Yes