Screen size
Galaxy Tab S12 UltraWinner: 14.6"+82%
i5502.6"
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 19-3.
Measured wins
Galaxy Tab S12 Ultra
19
spec wins
Overall winner
Ties
1
equal specs
i550
3
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
i550
GSM / HSPA
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
i550
GSM 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
i550
HSDPA 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
SD card
equal specsStereo speakers
i550
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
i550
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
i550
HSPA 3.6/0.384 Mbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
i550
2007, August. Released 2008, February
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
i550
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
i550
115 x 53 x 13.8 mm (4.53 x 2.09 x 0.54 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
i550
109 g (3.84 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
i550
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
i550
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
i550
Trackball
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
i550
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
i550
2.6 inches, 20.9 cm2 (~34.3% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
i550
240 x 320 pixels, 4:3 ratio (~154 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
i550
Symbian OS 9.2, Series 60 v3.1 UI
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
i550
TI OMAP 2430
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
i550
330 MHz ARM 1136
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
i550
PowerVR MBX
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
i550
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
i550
150MB
Other
Galaxy Tab S12 Ultra
UFS
i550
-
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
i550
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
i550
LED flash
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
i550
Yes
Single
Galaxy Tab S12 Ultra
-
i550
3.15 MP, AF
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
i550
VGA videocall camera
Features
Galaxy Tab S12 Ultra
HDR
i550
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
i550
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
i550
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
i550
Yes
Alert types
Galaxy Tab S12 Ultra
-
i550
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
i550
Wi-Fi 802.11 b/g (Samsung i550w only)
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
i550
2.0, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
i550
GPS
NFC
Galaxy Tab S12 Ultra
No
i550
-
Radio
Galaxy Tab S12 Ultra
No
i550
FM radio
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
i550
2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
i550
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
i550
WMV/RV/MP4/3GP player MP3/WMA/WAV/RA/AAC/M4A player Organizer Document viewer (Word, Excel, PowerPoint, PDF)
Browser
Galaxy Tab S12 Ultra
-
i550
WAP 2.0/xHTML
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
i550
Removable Li-Ion 1200 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
i550
-
Stand-by
Galaxy Tab S12 Ultra
-
i550
Up to 360 h
Talk time
Galaxy Tab S12 Ultra
-
i550
Up to 8 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
i550
Black, Silver
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
i550
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
i550
0.72 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
i550
About 130 EUR
SAR
Galaxy Tab S12 Ultra
-
i550
0.32 W/kg (head) 0.41 W/kg (body)