Screen size
Galaxy Tab S12 UltraWinner: 14.6"+78%
S5250 Wave5253.2"
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
S5250 Wave525
3
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
S5250 Wave525
GSM
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
S5250 Wave525
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
S5250 Wave525
-
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
S5250 Wave525
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
S5250 Wave525
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
S5250 Wave525
-
GPRS
Galaxy Tab S12 Ultra
-
S5250 Wave525
Class 12
EDGE
Galaxy Tab S12 Ultra
-
S5250 Wave525
Class 12
Announced
Galaxy Tab S12 Ultra
2026, September 30
S5250 Wave525
2010, June. Released 2010, October
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
S5250 Wave525
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
S5250 Wave525
109.5 x 55 x 11.9 mm (4.31 x 2.17 x 0.47 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
S5250 Wave525
100 g (3.53 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
S5250 Wave525
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
S5250 Wave525
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
S5250 Wave525
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
S5250 Wave525
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
S5250 Wave525
3.2 inches, 29.1 cm2 (~48.4% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
S5250 Wave525
240 x 400 pixels, 5:3 ratio (~146 ppi density)
Other
Galaxy Tab S12 Ultra
-
S5250 Wave525
TouchWiz UI 3.0
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
S5250 Wave525
bada OS
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
S5250 Wave525
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
S5250 Wave525
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
S5250 Wave525
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
S5250 Wave525
microSDHC (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
S5250 Wave525
100MB
Other
Galaxy Tab S12 Ultra
UFS
S5250 Wave525
-
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
S5250 Wave525
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
S5250 Wave525
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
S5250 Wave525
Yes
Single
Galaxy Tab S12 Ultra
-
S5250 Wave525
3.15 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
S5250 Wave525
-
Features
Galaxy Tab S12 Ultra
HDR
S5250 Wave525
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
S5250 Wave525
-
Other
Galaxy Tab S12 Ultra
-
S5250 Wave525
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
S5250 Wave525
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
S5250 Wave525
Yes
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
S5250 Wave525
Wi-Fi 802.11 b/g/n
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
S5250 Wave525
3.0, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
S5250 Wave525
GPS, A-GPS
NFC
Galaxy Tab S12 Ultra
No
S5250 Wave525
-
Radio
Galaxy Tab S12 Ultra
No
S5250 Wave525
Stereo FM radio, RDS
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
S5250 Wave525
microUSB 2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
S5250 Wave525
Accelerometer
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
S5250 Wave525
MP3/WAV/eAAC+ player MP4/H.264 player Organizer Music Recognition Photo editor Voice memo Predictive text input (T9 Trace)
Browser
Galaxy Tab S12 Ultra
-
S5250 Wave525
WAP 2.0/xHTML, HTML
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
S5250 Wave525
Removable Li-Ion 1200 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
S5250 Wave525
-
Stand-by
Galaxy Tab S12 Ultra
-
S5250 Wave525
Up to 1200 h
Talk time
Galaxy Tab S12 Ultra
-
S5250 Wave525
Up to 14 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
S5250 Wave525
Black, White/La Fleur edition
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
S5250 Wave525
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
S5250 Wave525
0.69 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
S5250 Wave525
About 120 EUR
SAR
Galaxy Tab S12 Ultra
-
S5250 Wave525
0.63 W/kg (head) 0.52 W/kg (body)