Screen size
Galaxy Tab S12 UltraWinner: 14.6"+85%
T6392.2"
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
T639
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
T639
GSM / UMTS
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
T639
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
T639
UMTS 1700
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
T639
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
T639
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
T639
Yes, 384 kbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
T639
2007, October
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
T639
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
T639
94 x 38 x 17 mm (3.70 x 1.50 x 0.67 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
T639
91 g (3.21 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
T639
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
T639
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
T639
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
T639
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
T639
2.2 inches, 15.2 cm2 (~42.6% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
T639
176 x 220 pixels (~128 ppi density)
Other
Galaxy Tab S12 Ultra
-
T639
Second external, monochrome display (32 x 128 pixels)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
T639
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
T639
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
T639
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
T639
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
T639
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
T639
30MB
Other
Galaxy Tab S12 Ultra
UFS
T639
-
Phonebook
Galaxy Tab S12 Ultra
-
T639
1000 entries, Photocall
Call records
Galaxy Tab S12 Ultra
-
T639
30 dialed, received, 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)
T639
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
T639
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
T639
Yes
Single
Galaxy Tab S12 Ultra
-
T639
1.3 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
T639
-
Features
Galaxy Tab S12 Ultra
HDR
T639
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
T639
-
Other
Galaxy Tab S12 Ultra
-
T639
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
T639
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
T639
No
Alert types
Galaxy Tab S12 Ultra
-
T639
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
T639
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
T639
2.0, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
T639
No
NFC
Galaxy Tab S12 Ultra
No
T639
-
Radio
Galaxy Tab S12 Ultra
No
T639
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
T639
Proprietary
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
T639
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
T639
MP3 player Video player Voice memo Organizer World clock
Messaging
Galaxy Tab S12 Ultra
-
T639
SMS, MMS, Email
Browser
Galaxy Tab S12 Ultra
-
T639
WAP 2.0/xHTML, HTML (NetFront 3.4)
Games
Galaxy Tab S12 Ultra
-
T639
Yes + Downloadable
Java
Galaxy Tab S12 Ultra
-
T639
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
T639
Removable Li-Ion 880 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
T639
-
Stand-by
Galaxy Tab S12 Ultra
-
T639
Up to 250 h
Talk time
Galaxy Tab S12 Ultra
-
T639
Up to 4 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
T639
Red, Green, Blue, Cyan
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
T639
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
T639
-
Price
Galaxy Tab S12 Ultra
About 1570 EUR
T639
About 60 EUR
SAR
Galaxy Tab S12 Ultra
-
T639
0.83 W/kg (head) 0.38 W/kg (body)