Phone Comparison - Samsung Galaxy S21 5G vs Samsung Galaxy A23 vs ZTE nubia Red Magic 7S Pro

general General Info

Manufacturer Samsung Samsung ZTE
Announced 2021, January 14 March 2022 July 2022
Status Coming soon. Exp. release 2021, January 29 Coming Soon - March 2022 Coming Soon - July 2022
Price Rs. 69,999 ($799.99) [Similarly Priced] - -
Colors Phantom Gray, Phantom White, Phantom Violet, Phantom Pink Black, White, Peach, Blue Black, Gray, Silver, Yellow
Form Factor Candybar Candybar Candybar
Dimension 151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
164.5 x 76.9 x 8.4 mm
(6.48 x 3.03 x 0.33 in)
166.3 x 77.1 x 10 mm
(6.55 x 3.04 x 0.39 in)
Weight 169 g (5.96 oz) 195 g (6.88 oz) 235 g (8.29 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 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 40, 41, 66 - International
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66 - China
5G Network SA/NSA/Sub6/mmWave - 1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA - International, China
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)
)
- Fingerprint Sensor (under display, optical)
Pressure sensitive zones (520Hz touch-sensing)
Built-in cooling fan
Aviation aluminum middle frame

hardware Hardware and OS

OS Android 11 Android 12 Android 12
User Interface One UI 3.1 One UI 4.1 Redmagic 5.5
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 (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver), Qualcomm SM6225 Snapdragon 680 4G (6 nm) Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510), Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
GPU Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea Adreno 610 Adreno 730
RAM 8 GB 8 GB 18 GB
Internal Memory 256 GB 128 GB 1 TB
External Memory microSDXC (uses shared SIM slot) microSDXC (dedicated slot) No

display Display

Type FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
FHD+ TFT LCD Screen
90Hz Refresh Rate
Corning Gorilla Glass 5
FHD+ AMOLED Screen 120Hz Refresh Rate 600 nits (typ)
Colors 16M Colour 16M Colors 1B Colors
Size 6.2 inches 6.6 inches 6.8 inches
Resolution 1080 x 2400 pixels (424 ppi) 1080 x 2408 pixels (400 ppi) 1080 x 2400 pixels (387 ppi)
Screen-to-Body Ratio 86.12% 82.90% 87.08%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12 MP + 64 MP + 12 MP 50 MP + 5 MP + 2 MP + 2 MP 64 MP + 8 MP + 2 MP
Flash LED Flash 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
50 MP, f/1.8, (wide), PDAF
5 MP, f/2.2, (ultrawide), 1/5", 1.12µm
2 MP, f/2.4, (depth)
2 MP, f/2.4, (macro)
panorama, HDR
64 MP, f/1.8, 26mm (wide), 1/1.97", 0.7µm, PDAF
8 MP, f/2.2, 120˚, 13mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
HDR, Panorama
Video 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS 1080p@30fps 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240fps
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] 8 MP, f/2.2, (wide)
1080p@30fps [Similar]
8 MP, (wide), under display
HDR
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 (CA), 5G HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE Yes 5.2, A2DP, aptX, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot Yes Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
USB USB Type-C 3.2, USB On-The-Go USB Type-C 2.0 USB Type-C 3.0, USB On-The-Go, accessory connector
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO
Browser Yes Yes Yes

memory User Memory

Internal 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 6 GB RAM or 64 GB, 4 GB RAM 1 TB, 18 GB RAM or 512 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS3.1
Expandable Storage microSDXC (uses shared SIM slot) microSDXC (dedicated slot) No
USB OTG Supported Not Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor not present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor not present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor present
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor not present
NFC NFC supported NFC not supported NFC 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 25W
Non-removable Li-Po Battery
Fast battery Charging 135W, 50% in 5 min, 100% in 15 min (advertised)
Power Delivery 3.0
Capacity 4000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -