Screen size
Galaxy Tab S12 UltraWinner: 14.6"+86%
Z3002.0"
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 20-1.
Measured wins
Galaxy Tab S12 Ultra
20
spec wins
Overall winner
Ties
2
equal specs
Z300
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
Z300
GSM / UMTS
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
Z300
GSM 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Z300
UMTS 2100
4G bands
Galaxy Tab S12 Ultra
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Z300
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Z300
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Z300
Yes, 384 kbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
Z300
2005, Q1
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Z300
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Z300
89 x 47 x 25 mm (3.50 x 1.85 x 0.98 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Z300
115 g (4.06 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Z300
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Z300
Mini-SIM
Other
Galaxy Tab S12 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Z300
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Z300
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Z300
2.0 inches, 31 x 39 mm, 12.6 cm2 (~30.1% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Z300
176 x 220 pixels (~141 ppi density)
Other
Galaxy Tab S12 Ultra
-
Z300
Second external OLED display, 65K colors (80 x 64 pixels)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Z300
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
Z300
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Z300
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Z300
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Z300
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Z300
50MB
Other
Galaxy Tab S12 Ultra
UFS
Z300
4 MB for Java applications
Phonebook
Galaxy Tab S12 Ultra
-
Z300
1000 entries, Photo call
Call records
Galaxy Tab S12 Ultra
-
Z300
20 dialed, 20 received, 20 missed calls
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Z300
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Z300
LED flash
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Z300
Yes
Single
Galaxy Tab S12 Ultra
-
Z300
1 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Z300
VGA videocall camera
Features
Galaxy Tab S12 Ultra
HDR
Z300
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Z300
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
Z300
No
3.5mm jack
Galaxy Tab S12 Ultra
No
Z300
No
Alert types
Galaxy Tab S12 Ultra
-
Z300
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Z300
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Z300
1.1
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Z300
No
NFC
Galaxy Tab S12 Ultra
No
Z300
-
Radio
Galaxy Tab S12 Ultra
No
Z300
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Z300
Proprietary
Infrared port
Galaxy Tab S12 Ultra
-
Z300
Yes
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Z300
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Z300
MP3/AAC/MPEG player SyncML Predictive text input Organizer Voice memo
Messaging
Galaxy Tab S12 Ultra
-
Z300
SMS, EMS, MMS, Email
Browser
Galaxy Tab S12 Ultra
-
Z300
WAP 2.0/xHTML
Games
Galaxy Tab S12 Ultra
-
Z300
Yes
Java
Galaxy Tab S12 Ultra
-
Z300
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Z300
Removable Li-Ion 950 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Z300
-
Stand-by
Galaxy Tab S12 Ultra
-
Z300
Up to 180 h
Talk time
Galaxy Tab S12 Ultra
-
Z300
Up to 3 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
Z300
Dark Black
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
Z300
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Z300
0.70 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
Z300
-