Screen size
Galaxy Tab S12 UltraWinner: 14.6"+84%
T729 Blast2.3"
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
T729 Blast
1
spec wins
Screen size
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
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
T729 Blast
GSM
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
T729 Blast
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
T729 Blast
-
4G bands
Galaxy Tab S12 Ultra
LTE
T729 Blast
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
T729 Blast
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
T729 Blast
-
GPRS
Galaxy Tab S12 Ultra
-
T729 Blast
Class 10
EDGE
Galaxy Tab S12 Ultra
-
T729 Blast
Class 10
Announced
Galaxy Tab S12 Ultra
2026, September 30
T729 Blast
2007, August
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
T729 Blast
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
T729 Blast
106 x 52 x 12.7 mm (4.17 x 2.05 x 0.5 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
T729 Blast
80 g (2.82 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
T729 Blast
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
T729 Blast
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
T729 Blast
-
Keyboard
Galaxy Tab S12 Ultra
-
T729 Blast
QWERTY
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
T729 Blast
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
T729 Blast
2.3 inches, 16.6 cm2 (~30.2% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
T729 Blast
176 x 220 pixels (~122 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
T729 Blast
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
T729 Blast
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
T729 Blast
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
T729 Blast
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
T729 Blast
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
T729 Blast
11MB
Other
Galaxy Tab S12 Ultra
UFS
T729 Blast
-
Phonebook
Galaxy Tab S12 Ultra
-
T729 Blast
1000 entries, Photocall
Call records
Galaxy Tab S12 Ultra
-
T729 Blast
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)
T729 Blast
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
T729 Blast
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
T729 Blast
Yes
Single
Galaxy Tab S12 Ultra
-
T729 Blast
1.3 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
T729 Blast
-
Features
Galaxy Tab S12 Ultra
HDR
T729 Blast
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
T729 Blast
-
Other
Galaxy Tab S12 Ultra
-
T729 Blast
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
T729 Blast
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
T729 Blast
No
Alert types
Galaxy Tab S12 Ultra
-
T729 Blast
Vibration; Downloadable MP3 ringtones
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
T729 Blast
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
T729 Blast
2.0, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
T729 Blast
No
NFC
Galaxy Tab S12 Ultra
No
T729 Blast
-
Radio
Galaxy Tab S12 Ultra
No
T729 Blast
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
T729 Blast
2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
T729 Blast
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
T729 Blast
MP3 player Video player Voice memo Voice dial Organizer World clock Stopwatch Countdown timer
Messaging
Galaxy Tab S12 Ultra
-
T729 Blast
SMS, MMS, Email
Browser
Galaxy Tab S12 Ultra
-
T729 Blast
WAP 2.0/xHTML, HTML
Games
Galaxy Tab S12 Ultra
-
T729 Blast
No
Java
Galaxy Tab S12 Ultra
-
T729 Blast
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
T729 Blast
Removable Li-Ion 800 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
T729 Blast
-
Stand-by
Galaxy Tab S12 Ultra
-
T729 Blast
Up to 200 h
Talk time
Galaxy Tab S12 Ultra
-
T729 Blast
Up to 5 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
T729 Blast
Black
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
T729 Blast
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
T729 Blast
-
Price
Galaxy Tab S12 Ultra
About 1570 EUR
T729 Blast
About 60 EUR
SAR
Galaxy Tab S12 Ultra
-
T729 Blast
0.84 W/kg (head) 0.57 W/kg (body)