Phone Comparison - Apple iPhone X vs Samsung Galaxy S21 5G vs Samsung Galaxy A55

Price Comparison (India) - -

general General Info

Manufacturer Apple Samsung Samsung
Announced September 2017 2021, January 14 March 2024
Status Coming Soon - September 2017 Coming soon. Exp. release 2021, January 29 Coming Soon - March 2024
Price Rs. 89,000 ($999.00) [Similarly Priced] Rs. 69,999 ($799.99) [Similarly Priced] -
Colors Space Gray, Silver Phantom Gray, Phantom White, Phantom Violet, Phantom Pink Iceblue, Lilac, Navy, Lemon
Form Factor Candybar Candybar Candybar
Dimension 143.6 x 70.9 x 7.7 mm
(5.65 x 2.79 x 0.3 in)
151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
161.1 x 77.4 x 8.2 mm
(6.34 x 3.05 x 0.32 in)
Weight 174 g (6.14 oz) 169 g (5.96 oz) 213 g (7.51 oz)
SIM Type Nano-SIM Single SIM (Nano-SIM and/or eSIM), 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
CDMA2000 1xEV-DO & TD-SCDMA
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 LTE LTE LTE
5G Network - SA/NSA/Sub6/mmWave 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 SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint Sensor
- IP68 certified - dust and water resistant
- Water resistant up to 1.5 meters and 30 minutes
- Apple Pay (Visa, MasterCard, AMEX certified)
- 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 (under display, optical)
IP67 dust/water resistant (up to 1m for 30 min)
Notification LED Yes - -

hardware Hardware and OS

OS iOS 11 Android 11 Android 14
User Interface - One UI 3.1 One UI 6.1
Processor Hexa-core, Apple A11 Bionic 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 (4x2.7 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), Exynos 1480
GPU - Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea -
RAM 3 GB 8 GB 12 GB
Internal Memory 64/256 GB 256 GB 256 GB
External Memory No microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Ion-strengthened Glass, Oleophobic Coating FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
FHD+ Super AMOLED Screen
120Hz Refresh Rate
HDR10+, 550 Nits
Corning Gorilla Glass Victus
Colors 16M colors 16M Colour 16M colors
Size 5.8 inches 6.2 inches 6.6 inches
Resolution 1125 x 2436 pixels (463 ppi) 1080 x 2400 pixels (424 ppi) 1080 x 2340 pixels (390 ppi)
Screen-to-Body Ratio 81.01% 86.12% 85.97%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera Dual 12 MP 12 MP + 64 MP + 12 MP 50 MP + 12 MP + 5 MP
Flash Quad-LED (dual Tone) Flash LED Flash LED Flash
Features Phase Detection Autofocus, f/1.8 & f/2.4, OIS, Geo-tagging, Simultaneous 4K Video And 8MP Image Recording, Touch Focus, Face/smile Detection, HDR (photo/panorama) 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
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 2160p@60fps, 1080p@30/60/120fps, 720p@240fps 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
Front Camera 7 MP, 1080p@30fps, 720p@240fps, face detection, HDR, panorama [Similar] 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] 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 (4CA) Cat16 1024/150 Mbps, EV-DO Rev.A 3.1 Mbps HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G HSPA, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.3, A2DP, LE, aptX
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, 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 3.0, reversible connector; magnetic connector USB Type-C 3.2, USB On-The-Go USB Type-C 2.0, OTG
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, BDS, GALILEO GPS, GALILEO, GLONASS, BDS, QZSS
Browser HTML5 (Safari) Yes Yes

memory User Memory

Internal 64/256 GB, 3 GB RAM 256 GB, 8 GB RAM or 128 GB, 8 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 No microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
USB OTG Not 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 present barometer sensor present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Ion battery 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 25W
Capacity - 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -