Screen size
Galaxy Tab S12 UltraWinner: 14.6"+86%
T739 Katalyst2.1"
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
T739 Katalyst
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
T739 Katalyst
GSM
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
T739 Katalyst
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
T739 Katalyst
-
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
T739 Katalyst
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
T739 Katalyst
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
T739 Katalyst
-
GPRS
Galaxy Tab S12 Ultra
-
T739 Katalyst
Class 10
EDGE
Galaxy Tab S12 Ultra
-
T739 Katalyst
Class 10
Announced
Galaxy Tab S12 Ultra
2026, September 30
T739 Katalyst
2007, November. Released 2007, December
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
T739 Katalyst
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
T739 Katalyst
100.8 x 50.3 x 16.5 mm (3.97 x 1.98 x 0.65 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
T739 Katalyst
116 g (4.09 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
T739 Katalyst
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
T739 Katalyst
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
T739 Katalyst
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
T739 Katalyst
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
T739 Katalyst
2.1 inches, 13.9 cm2 (~27.4% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
T739 Katalyst
176 x 220 pixels (~134 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
T739 Katalyst
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
T739 Katalyst
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
T739 Katalyst
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
T739 Katalyst
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
T739 Katalyst
microSDHC (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
T739 Katalyst
5MB
Other
Galaxy Tab S12 Ultra
UFS
T739 Katalyst
-
Phonebook
Galaxy Tab S12 Ultra
-
T739 Katalyst
1000 entries
Call records
Galaxy Tab S12 Ultra
-
T739 Katalyst
30 dialed, 30 received, 30 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)
T739 Katalyst
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
T739 Katalyst
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
T739 Katalyst
Yes
Single
Galaxy Tab S12 Ultra
-
T739 Katalyst
1.3 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
T739 Katalyst
-
Features
Galaxy Tab S12 Ultra
HDR
T739 Katalyst
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
T739 Katalyst
-
Other
Galaxy Tab S12 Ultra
-
T739 Katalyst
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
T739 Katalyst
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
T739 Katalyst
No
Alert types
Galaxy Tab S12 Ultra
-
T739 Katalyst
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
T739 Katalyst
Wi-Fi 802.11b/g - UMA only
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
T739 Katalyst
Yes
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
T739 Katalyst
No
NFC
Galaxy Tab S12 Ultra
No
T739 Katalyst
-
Radio
Galaxy Tab S12 Ultra
No
T739 Katalyst
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
T739 Katalyst
Proprietary
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
T739 Katalyst
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
T739 Katalyst
MP3 player Organizer Voice memo Predictive text input
Messaging
Galaxy Tab S12 Ultra
-
T739 Katalyst
SMS, MMS, Instant Messaging
Browser
Galaxy Tab S12 Ultra
-
T739 Katalyst
WAP 2.0/xHTML
Games
Galaxy Tab S12 Ultra
-
T739 Katalyst
Downloadable
Java
Galaxy Tab S12 Ultra
-
T739 Katalyst
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
T739 Katalyst
Removable Li-Ion 960 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
T739 Katalyst
-
Stand-by
Galaxy Tab S12 Ultra
-
T739 Katalyst
Up to 240 h
Talk time
Galaxy Tab S12 Ultra
-
T739 Katalyst
Up to 5 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
T739 Katalyst
Silver
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
T739 Katalyst
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
T739 Katalyst
-
Price
Galaxy Tab S12 Ultra
About 1570 EUR
T739 Katalyst
About 70 EUR
SAR
Galaxy Tab S12 Ultra
-
T739 Katalyst
0.62 W/kg (head) 0.47 W/kg (body)