Phone Comparison - Xiaomi Poco X3 Pro vs Samsung Galaxy S21 FE 5G vs Samsung Galaxy A55

general General Info

Manufacturer Xiaomi Samsung Samsung
Announced March 2021 2023, July 11 March 2024
Status Coming Soon - March 2021 Coming soon. Exp. release 2023, July Coming Soon - March 2024
Price - Rs. 49,999 ($0.00) [Similarly Priced] -
Colors Phantom Black, Frost Blue, Metal Bronze White, Graphite, Lavender, Olive Iceblue, Lilac, Navy, Lemon
Form Factor Candybar Candybar Candybar
Dimension 165.3 x 76.8 x 9.4 mm
(6.51 x 3.02 x 0.37 in)
155.7 x 74.5 x 7.9 mm
(6.13 x 2.93 x 0.31 in)
161.1 x 77.4 x 8.2 mm
(6.34 x 3.05 x 0.32 in)
Weight 215 g (7.58 oz) 177 g (6.24 oz) 213 g (7.51 oz)
SIM Type Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM, eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 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 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 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 LTE LTE
5G Network - SA/NSA/Sub6 SA/NSA/Sub6 - International
SA/NSA/Sub6/mmWave - USA
SAR EU - W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
0.68 W/kg (head)
1.04 W/kg (body)
Messaging
Build Features - Fingerprint Sensor (side-mounted)
IP53, dust and splash protection
- Fingerprint Sensor (under display, optical)
IP68 dust/water resistant (up to 1.5m for 30 mins)
- Fingerprint Sensor (under display, optical)
IP67 dust/water resistant (up to 1m for 30 min)

hardware Hardware and OS

OS Android 11 Android 12 Android 14
User Interface MIUI 12 for POCO One UI 4 One UI 6.1
Processor 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 (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, Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Octa-core (4x2.7 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), Exynos 1480
GPU Adreno 640 Adreno 660 -
RAM 8 GB 8 GB 12 GB
Internal Memory 256 GB 256 GB 256 GB
External Memory microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)

display Display

Type IPS LCD Screen
120Hz Refresh Rate
HDR10
450 nits (typ)
Corning Gorilla Glass 6
FHD+ Dynamic AMOLED 2X Screen
120Hz Refresh Rate
HDR10+
Corning Gorilla Glass Victus
Always-on display
FHD+ Super AMOLED Screen
120Hz Refresh Rate
HDR10+, 550 Nits
Corning Gorilla Glass Victus
Colors 16M Colour 16M colors 16M colors
Size 6.67 inches 6.4 inches 6.6 inches
Resolution 1080 x 2400 pixels (395 ppi) 1080 x 2400 pixels (411 ppi) 1080 x 2340 pixels (390 ppi)
Screen-to-Body Ratio 84.43% 85.34% 85.97%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes no no
Radio Unspecified FM radio No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP + 2 MP 12 MP + 8 MP + 12 MP 50 MP + 12 MP + 5 MP
Flash Dual-LED flash LED Flash LED Flash
Features 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
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
8 MP, f/2.4, 76mm (telephoto), PDAF, 3x optical zoom
12 MP, f/2.2, 13mm, 123˚ (ultrawide)
Auto-HDR, Panorama
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS
12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm
5 MP, f/2.4, (macro)
Panorama, HDR
Video 4K@30fps, 1080p@30/60fps, gyro-EIS 4K@30/60fps, 1080p@30/60fps, gyro-EIS 4K@30fps, 1080p@30/60fps, gyro-EIS
Front Camera 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
HDR, panorama
1080p@30fps [Similar]
32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
HDR
4K@30/60fps, 1080p@30/60fps (gyro-EIS) [Similar]
32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm

4K@30fps, 1080p@30/60fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G HSPA, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.2, A2DP, LE 5.3, A2DP, LE, aptX
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot 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/6, dual-band, Wi-Fi Direct
USB USB Type-C 2.0, USB On-The-Go USB Type-C 3.2, USB On-The-Go USB Type-C 2.0, OTG
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO GPS, GALILEO, GLONASS, BDS, QZSS
Browser Yes Yes Yes

memory User Memory

Internal 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 UFS 3.1 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS
Expandable Storage microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
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 not present barometer sensor not present barometer sensor present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 33W, 59% in 30 min, 100% in 59 min (advertised)
Non-removable Li-Po Battery
Fast charging 25W, 50% in 30 min (advertised)
Fast wireless charging 15W
Reverse wireless charging
USB Power Delivery 3.0
Non-removable Li-Po Battery
Fast battery Charging 25W
Capacity 5160 mAh 4500 mAh 5000 mAh
Stand by - - -
Talk Time - - -