Screen size
Galaxy Tab S12 UltraWinner: 14.6"+85%
J6302.2"
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
J630
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
J630
GSM / UMTS
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
J630
GSM 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
J630
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
J630
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
J630
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
J630
Yes, 384 kbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
J630
2008, February. Released 2008, March
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
J630
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
J630
100.7 x 50.5 x 12.9 mm (3.96 x 1.99 x 0.51 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
J630
88 g (3.10 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
J630
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
J630
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
J630
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
J630
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
J630
2.2 inches, 15.2 cm2 (~30.0% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
J630
176 x 220 pixels (~128 ppi density)
Other
Galaxy Tab S12 Ultra
-
J630
External TFT display, 65K colors (96 x 96 pixels), 1.07 inches
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
J630
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
J630
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
J630
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
J630
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
J630
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
J630
40MB
Other
Galaxy Tab S12 Ultra
UFS
J630
-
Phonebook
Galaxy Tab S12 Ultra
-
J630
Yes, 1000 entries
Call records
Galaxy Tab S12 Ultra
-
J630
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)
J630
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
J630
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
J630
Yes
Single
Galaxy Tab S12 Ultra
-
J630
2 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
J630
-
Features
Galaxy Tab S12 Ultra
HDR
J630
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
J630
-
Other
Galaxy Tab S12 Ultra
-
J630
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
J630
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
J630
No
Alert types
Galaxy Tab S12 Ultra
-
J630
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
J630
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
J630
2.0
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
J630
No
NFC
Galaxy Tab S12 Ultra
No
J630
-
Radio
Galaxy Tab S12 Ultra
No
J630
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
J630
2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
J630
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
J630
MP4/3gp player Voice memo Document viewer (Word, Excel, PowerPoint, PDF) Organizer World clock Stopwatch Countdown timer
Messaging
Galaxy Tab S12 Ultra
-
J630
SMS, EMS, MMS, Email
Browser
Galaxy Tab S12 Ultra
-
J630
WAP 2.0/xHTML, HTML (NetFront 3.4)
Games
Galaxy Tab S12 Ultra
-
J630
Yes
Java
Galaxy Tab S12 Ultra
-
J630
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
J630
Removable battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
J630
-
Stand-by
Galaxy Tab S12 Ultra
-
J630
Up to 250 h
Talk time
Galaxy Tab S12 Ultra
-
J630
Up to 3 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
J630
Gray
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
J630
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
J630
0.31 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
J630
About 50 EUR