Screen size
Galaxy Tab S12 UltraWinner: 14.6"+85%
R351 Freeform2.2"
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
R351 Freeform
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
R351 Freeform
CDMA / CDMA2000
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
R351 Freeform
CDMA 800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
R351 Freeform
CDMA2000 1x
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
R351 Freeform
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
R351 Freeform
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
R351 Freeform
Yes, 384 kbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
R351 Freeform
2009, August. Released 2009, August
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
R351 Freeform
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
R351 Freeform
112 x 61 x 13 mm (4.41 x 2.40 x 0.51 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
R351 Freeform
103 g (3.63 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
R351 Freeform
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
R351 Freeform
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
R351 Freeform
-
Keyboard
Galaxy Tab S12 Ultra
-
R351 Freeform
QWERTY
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
R351 Freeform
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
R351 Freeform
2.2 inches, 15.2 cm2 (~22.3% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
R351 Freeform
220 x 176 pixels (~128 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
R351 Freeform
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
R351 Freeform
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
R351 Freeform
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
R351 Freeform
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
R351 Freeform
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
R351 Freeform
55MB
Other
Galaxy Tab S12 Ultra
UFS
R351 Freeform
-
Phonebook
Galaxy Tab S12 Ultra
-
R351 Freeform
1000 entries, Photocall
Call records
Galaxy Tab S12 Ultra
-
R351 Freeform
Yes
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
R351 Freeform
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
R351 Freeform
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
R351 Freeform
Yes
Single
Galaxy Tab S12 Ultra
-
R351 Freeform
1.3 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
R351 Freeform
-
Features
Galaxy Tab S12 Ultra
HDR
R351 Freeform
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
R351 Freeform
-
Other
Galaxy Tab S12 Ultra
-
R351 Freeform
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
R351 Freeform
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
R351 Freeform
No
Other
Galaxy Tab S12 Ultra
-
R351 Freeform
2.5 mm audio jack
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
R351 Freeform
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
R351 Freeform
2.0, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
R351 Freeform
GPS, A-GPS
NFC
Galaxy Tab S12 Ultra
No
R351 Freeform
-
Radio
Galaxy Tab S12 Ultra
No
R351 Freeform
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
R351 Freeform
microUSB 2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
R351 Freeform
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
R351 Freeform
MP4/H.263 player MP3/AAC+ player Organizer Voice memo/dial Predictive text input
Messaging
Galaxy Tab S12 Ultra
-
R351 Freeform
SMS, MMS, Email
Browser
Galaxy Tab S12 Ultra
-
R351 Freeform
WAP 2.0/xHTML
Games
Galaxy Tab S12 Ultra
-
R351 Freeform
Yes
Java
Galaxy Tab S12 Ultra
-
R351 Freeform
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
R351 Freeform
Removable Li-Ion 1000 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
R351 Freeform
-
Stand-by
Galaxy Tab S12 Ultra
-
R351 Freeform
Up to 200 h
Talk time
Galaxy Tab S12 Ultra
-
R351 Freeform
Up to 6 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
R351 Freeform
Black, Red
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
R351 Freeform
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
R351 Freeform
-
Price
Galaxy Tab S12 Ultra
About 1570 EUR
R351 Freeform
About 110 EUR
SAR
Galaxy Tab S12 Ultra
-
R351 Freeform
1.01 W/kg (head) 0.53 W/kg (body)