Phone Comparison - Samsung Galaxy S21 5G vs Xiaomi Poco X3 Pro vs Samsung Galaxy A33 5G

general General Info

Manufacturer Samsung Xiaomi Samsung
Announced 2021, January 14 March 2021 March 2022
Status Coming soon. Exp. release 2021, January 29 Coming Soon - March 2021 Coming Soon - April 2022
Price Rs. 69,999 ($799.99) [Similarly Priced] - -
Colors Phantom Gray, Phantom White, Phantom Violet, Phantom Pink Phantom Black, Frost Blue, Metal Bronze Black, White, Blue, Peach
Form Factor Candybar Candybar Candybar
Dimension 151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
165.3 x 76.8 x 9.4 mm
(6.51 x 3.02 x 0.37 in)
159.7 x 74 x 8.1 mm
(6.29 x 2.91 x 0.32 in)
Weight 169 g (5.96 oz) 215 g (7.58 oz) 186 g (6.56 oz)
SIM Type Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 LTE
5G Network SA/NSA/Sub6/mmWave - -
Messaging
Build Features - Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+
- Fingerprint Sensor (side-mounted)
IP53, dust and splash protection
- Fingerprint Sensor (under display, optical)
IP67 dust/water resistant (up to 1m for 30 mins)

hardware Hardware and OS

OS Android 11 Android 11 Android 12
User Interface One UI 3.1 MIUI 12 for POCO One UI 4.1
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 - International / Qualcomm Snapdragon 888 - USA/China/Korea Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver), Qualcomm Snapdragon 860 (7 nm) Octa-core (2x2.4 GHz & 6x2.0 GHz), Exynos 1280 processor
GPU Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea Adreno 640 Mali-G68
RAM 8 GB 8 GB 8 GB
Internal Memory 256 GB 256 GB 256 GB
External Memory microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot) microSDXC

display Display

Type FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
IPS LCD Screen
120Hz Refresh Rate
HDR10
450 nits (typ)
Corning Gorilla Glass 6
FHD+ Super AMOLED Screen
90Hz Refresh Rate
Corning Gorilla Glass 5
Colors 16M Colour 16M Colour 16M Colors
Size 6.2 inches 6.67 inches 6.4 inches
Resolution 1080 x 2400 pixels (424 ppi) 1080 x 2400 pixels (395 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio 86.12% 84.43% 83.77%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12 MP + 64 MP + 12 MP 48 MP + 8 MP + 2 MP + 2 MP 48 MP + 8 MP + 5 MP + 2 MP
Flash LED Flash Dual-LED flash LED flash
Features 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm (ultrawide), 1.4µm, Super Steady video
Auto-HDR, Panorama
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS
8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
panorama, HDR
Video 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS 4K@30fps, 1080p@30/60fps, gyro-EIS 4K@30fps, 1080p@30/120fps
Front Camera 10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF, Dual video call, Auto-HDR, 4K@30/60fps, 1080p@30fps [Similar] 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
HDR, panorama
1080p@30fps [Similar]
13 MP, f/2.2, (wide), 1.12µm
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 HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.1, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB USB Type-C 3.2, USB On-The-Go USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 256 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM
Expandable Storage microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot) microSDXC
USB OTG Supported Supported 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 present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor not present
NFC NFC supported NFC 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
Power bank/Reverse wireless charging 4.5W
Non-removable Li-Po Battery
Fast battery charging 33W, 59% in 30 min, 100% in 59 min (advertised)
Non-removable Li-Po Battery
Fast battery Charging 25W
Capacity 4000 mAh 5160 mAh 5000 mAh
Stand by - - -
Talk Time - - -