Phone Comparison - Samsung Galaxy A21s vs Samsung Galaxy S21 Ultra 5G vs Samsung Galaxy A04

general General Info

Manufacturer Samsung Samsung Samsung
Announced Expected Announcement - May 2020 2021, January 14 August 2022
Status Rumored Coming soon. Exp. release 2021, January 29 Available - December 2022
Price - Rs. 105,999 ($0.00) [Similarly Priced] -
Colors Black, White, Blue Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown Black, Green, White, Copper
Form Factor Candybar Candybar Candybar
Dimension 8.9 mm thickness
(0.35 in thickness)
165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
164.4 x 76.3 x 9.1 mm
(6.47 x 3 x 0.36 in)
Weight 191 g (6.74 oz) 227 g (8.01 oz) 192 g (6.77 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) 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 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE LTE LTE
5G Network - SA/NSA/Sub6/mmWave -
Messaging
Build Features - Fingerprint Sensor
- 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+
-

hardware Hardware and OS

OS Android 10.0 Android 11 Android 12
User Interface One UI 2.0 One UI 3.0 One UI Core 4.1
Processor Octa-core 2.0 GHz, Exynos 850 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, MediaTek Helio P35
GPU - Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea IMG PowerVR GE8320
RAM 3 GB 16 GB 32GB 4GB
Internal Memory 64 GB 512 GB N/A
External Memory microSDXC microSDXC (uses shared SIM slot) microSDXC (dedicated slot)

display Display

Type PLS TFT Capacitive Touchscreen QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
HD+ PLS LCD Screen
Colors 16M colors 16M Colour 16M Colors
Size 6.55 inches 6.8 inches 6.5 inches
Resolution 720 x 1600 pixels (268 ppi) 1440 x 3200 pixels (516 ppi) 720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio - 89.46% 81.28%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP 50 MP + 2 MP
Flash LED Flash LED flash LED Flash
Features 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
Panorama, HDR
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
50 MP, f/1.8, (wide), AF
2 MP, f/2.4, (depth)
Video 1080p@30fps 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS 1080p@30fps
Front Camera 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF
Dual video call, Auto-HDR
4K@30/60fps, 1080p@30fps [Similar]
5 MP, f/2.2 [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 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 5.0, A2DP, LE 5.2, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Yes USB Type-C 3.2, USB On-The-Go microUSB 2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 32GB 4GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 8GB RAM
Expandable Storage microSDXC microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
USB OTG Supported Supported Not Supported

Apps Sensors

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

battery Battery

Type Non-removable Li-Po Battery
Battery Charging 10W
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
Capacity 5000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -