Samsung Z4 vs Samsung Galaxy S21 Ultra 5G

General Info

Manufacturer
Samsung	Samsung
Announced
May 2017	2021, January 14
Status
Coming Soon - May 2017	Coming soon. Exp. release 2021, January 29
Price
-	Rs. 105,999 ($0.00) [Similarly Priced]
Colors
Black, Silver, Gold	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown
Form Factor
Candybar	Candybar
Dimension
132.9 x 69.2 x 10.3 mm (5.23 x 2.72 x 0.41 in)	165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
Weight
143 g (5.04 oz)	227 g (8.01 oz)
SIM Type
Dual-SIM	Single SIM (Nano-SIM and/or 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
3G Network
HSDPA 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
LTE	LTE
5G Network
-	SA/NSA/Sub6/mmWave
Messaging
SMS, MMS, EMail, IM
Build Features
-	- 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+
Notification LED
No	-

OS
Tizen OS, v3.0	Android 11
User Interface
-	One UI 3.0
Processor
Quad-core 1.5 GHz, Spreadtrum 9830A [Similar]	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 [Similar]
GPU
Mali-400 MP [Similar]	Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea [Similar]
RAM
1 GB [Browse Similar]	16 GB [Browse Similar]
Internal Memory
8 GB	512 GB
External Memory
microSD, up to 128 GB	microSDXC (uses shared SIM slot)

Type
Super AMOLED capacitive touchscreen	QHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1500 nits (peak) Corning Gorilla Glass Victus Always-on display
Colors
16M colors	16M Colour
Size
4.5 inches [Similar]	6.8 inches [Similar]
Resolution
480 x 800 pixels (207 ppi) [Similar]	1440 x 3200 pixels (516 ppi)
Screen-to-Body Ratio
62.87%	89.46%
Multi-Touch

Rear Camera
5 MP [Similar]	108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP [Similar]
Flash
LED flash	LED flash
Features
Geo-tagging, Face Detection	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
Video
Yes	8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Front Camera
5 MP, LED Flash [Similar]	40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps [Similar]

3.5mm Jack

Radio
FM radio	FM radio (Snapdragon model only; market/operator dependent)
Games
Yes + Downloadable	Yes + Downloadable
Loud Speaker

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA, VoLTE	HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth
v4.0, A2DP, LE	5.2, A2DP, LE
Wi-Fi
Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
USB
microUSB v2.0	USB Type-C 3.2, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser
HTML	Yes

Internal
8 GB, 1 GB RAM	512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1
Expandable Storage
microSD, up to 128 GB	microSDXC (uses shared SIM slot)
USB OTG
Not Supported	Supported

Type
Li-Ion Battery	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
Capacity
2050 mAh	5000 mAh
Stand by
-	-
Talk Time
-	-