Phone Comparison - Samsung Galaxy S21 Ultra 5G vs Samsung Galaxy A22 5G vs Xiaomi Redmi 12C

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced 2021, January 14 June 2021 December 2022
Status Coming soon. Exp. release 2021, January 29 Coming Soon - July 2021 Available - January 2023
Price Rs. 105,999 ($0.00) [Similarly Priced] - Rs. 8,999 ($0.00) [Similarly Priced]
Colors Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown Gray, White, Mint, Violet Black, Blue, Mint, Violet
Form Factor Candybar Candybar Candybar
Dimension 165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
167.2 x 76.4 x 9 mm
(6.58 x 3.01 x 0.35 in)
168.8 x 76.4 x 8.8 mm
(6.65 x 3.01 x 0.35 in)
Weight 227 g (8.01 oz) 203 g (7.16 oz) 192 g (6.77 oz)
SIM Type Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE LTE 1, 3, 5, 8, 34, 38, 39, 40, 41
5G Network SA/NSA/Sub6/mmWave SA/NSA -
Messaging
Build Features - Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Stylus support
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+
- Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (rear-mounted)

hardware Hardware and OS

OS Android 11 Android 11 Android 12
User Interface One UI 3.0 One UI Core 3.1 MIUI 13
Processor Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833 Dimensity 700 5G (7 nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), MediaTek MT6769Z Helio G85 (12nm)
GPU Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea Mali-G57 MC2 Mali-G52 MC2
RAM 16 GB 8 GB 6 GB
Internal Memory 512 GB 128 GB 128 GB
External Memory microSDXC (uses shared SIM slot) microSDXC microSDXC (dedicated slot)

display Display

Type QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
FHD+ TFT LCD Screen
90Hz Refresh Rate
FHD+ IPS LCD Screen
500 nits (typ)
Colors 16M Colour 16M colors 16M Colors
Size 6.8 inches 6.6 inches 6.71 inches
Resolution 1440 x 3200 pixels (516 ppi) 1080 x 2400 pixels (399 ppi) 720 x 1650 pixels (268 ppi)
Screen-to-Body Ratio 89.46% 82.23% 82.75%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no yes yes
Radio FM radio (Snapdragon model only; market/operator dependent) Unspecified FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP 48 MP + 5 MP + 2 MP 50 MP + 2 MP
Flash LED flash LED Flash LED Flash
Features 108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
auto-HDR, panorama
48 MP, f/1.8, (wide), PDAF
5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm
2 MP, f/2.4, (depth)
Panorama, HDR
50 MP, (wide), PDAF
2 MP (depth)
HDR
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS 1080p@30fps 1080p@30fps
Front Camera 40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF
Dual video call, Auto-HDR
4K@30/60fps, 1080p@30fps [Similar]
8 MP, f/2.0, (wide)
1080p@30fps [Similar]
5 MP, f/2.2, (wide)
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA, LTE
Bluetooth 5.2, A2DP, LE Yes 5.1, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot Yes Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
USB USB Type-C 3.2, USB On-The-Go USB Type-C 2.0 microUSB 2.0
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM UFS 2.1 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM eMMC 5.1
Expandable Storage microSDXC (uses shared SIM slot) microSDXC microSDXC (dedicated slot)
USB OTG Supported Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor not present
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Battery Charging 10W
Capacity 5000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -