Screen size
Galaxy Tab S12 UltraWinner: 14.6"+86%
J4002.0"
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
J400
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
J400
GSM / UMTS
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
J400
GSM 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
J400
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
J400
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
J400
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
J400
Yes, 384 kbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
J400
2008, January. Released 2008, October
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
J400
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
J400
99 x 49.5 x 15.9 mm (3.90 x 1.95 x 0.63 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
J400
101.2 g (3.56 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
J400
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
J400
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
J400
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
J400
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
J400
2.0 inches, 12.6 cm2 (~25.7% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
J400
176 x 220 pixels (~141 ppi density)
Other
Galaxy Tab S12 Ultra
-
J400
Second external, monochrome display (96 x 96 pixels)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
J400
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
J400
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
J400
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
J400
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
J400
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
J400
8MB
Other
Galaxy Tab S12 Ultra
UFS
J400
-
Phonebook
Galaxy Tab S12 Ultra
-
J400
1000 entries, Photocall
Call records
Galaxy Tab S12 Ultra
-
J400
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)
J400
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
J400
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
J400
QCIF
Single
Galaxy Tab S12 Ultra
-
J400
1.3 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
J400
VGA videocall camera
Features
Galaxy Tab S12 Ultra
HDR
J400
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
J400
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
J400
No
3.5mm jack
Galaxy Tab S12 Ultra
No
J400
No
Alert types
Galaxy Tab S12 Ultra
-
J400
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
J400
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
J400
2.0
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
J400
No
NFC
Galaxy Tab S12 Ultra
No
J400
-
Radio
Galaxy Tab S12 Ultra
No
J400
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
J400
2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
J400
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
J400
MP3/AAC/AAC+/WMA player MP4/3gp player Organizer Currency converter Voice memo Predictive text input
Messaging
Galaxy Tab S12 Ultra
-
J400
SMS, EMS, MMS, Email
Browser
Galaxy Tab S12 Ultra
-
J400
WAP 2.0/xHTML, HTML (NetFront 3.4)
Games
Galaxy Tab S12 Ultra
-
J400
Yes
Java
Galaxy Tab S12 Ultra
-
J400
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
J400
Removable Li-Ion 820 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
J400
-
Stand-by
Galaxy Tab S12 Ultra
-
J400
Up to 250 h
Talk time
Galaxy Tab S12 Ultra
-
J400
Up to 3 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
J400
Black
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
J400
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
J400
0.19 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
J400
About 80 EUR
SAR
Galaxy Tab S12 Ultra
-
J400
0.37 W/kg (head) 0.56 W/kg (body)