Screen size
Galaxy Tab S12 UltraWinner: 14.6"+84%
i637 Jack2.4"
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 19-2.
Measured wins
Galaxy Tab S12 Ultra
19
spec wins
Overall winner
Ties
2
equal specs
i637 Jack
2
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
i637 Jack
GSM / HSPA
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
i637 Jack
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
i637 Jack
HSDPA 850 / 1900 / 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
equal specsSD card
equal specsStereo speakers
i637 Jack
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
i637 Jack
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
i637 Jack
HSPA 3.6/0.384 Mbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
i637 Jack
2009, May. Released 2009, May
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
i637 Jack
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
i637 Jack
117 x 61 x 12.7 mm (4.61 x 2.40 x 0.5 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
i637 Jack
102.1 g (3.60 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
i637 Jack
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
i637 Jack
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
i637 Jack
-
Keyboard
Galaxy Tab S12 Ultra
-
i637 Jack
QWERTY
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
i637 Jack
TFT, 65K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
i637 Jack
2.4 inches, 17.8 cm2 (~25.0% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
i637 Jack
320 x 240 pixels, 4:3 ratio (~167 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
i637 Jack
Microsoft Windows Mobile 6.1 Standard, upgradable to Windows Mobile 6.5
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
i637 Jack
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
i637 Jack
528 MHz
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
i637 Jack
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
i637 Jack
microSDHC (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
i637 Jack
256MB RAM, 256MB ROM
Other
Galaxy Tab S12 Ultra
UFS
i637 Jack
-
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
i637 Jack
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
i637 Jack
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
i637 Jack
Yes
Single
Galaxy Tab S12 Ultra
-
i637 Jack
3.15 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
i637 Jack
-
Features
Galaxy Tab S12 Ultra
HDR
i637 Jack
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
i637 Jack
-
Other
Galaxy Tab S12 Ultra
-
i637 Jack
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
i637 Jack
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
i637 Jack
No
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
i637 Jack
Wi-Fi 802.11 b/g
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
i637 Jack
2.0, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
i637 Jack
GPS, A-GPS
NFC
Galaxy Tab S12 Ultra
No
i637 Jack
-
Radio
Galaxy Tab S12 Ultra
No
i637 Jack
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
i637 Jack
2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
i637 Jack
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
i637 Jack
Windows Media Player 10 Windows Live, Yahoo!, AOL Microsoft Outlook Mobile Pocket Office Voice memo/dial Predictive text input
Browser
Galaxy Tab S12 Ultra
-
i637 Jack
WAP 2.0 / xHTML, HTML, Adobe Flash Lite
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
i637 Jack
Removable Li-Ion 1480 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
i637 Jack
-
Stand-by
Galaxy Tab S12 Ultra
-
i637 Jack
Up to 288 h
Talk time
Galaxy Tab S12 Ultra
-
i637 Jack
Up to 7 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
i637 Jack
Black
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
i637 Jack
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
i637 Jack
-
Price
Galaxy Tab S12 Ultra
About 1570 EUR
i637 Jack
About 120 EUR
SAR
Galaxy Tab S12 Ultra
-
i637 Jack
1.04 W/kg (head) 0.53 W/kg (body)