Screen size
Galaxy Tab S12 UltraWinner: 14.6"+73%
Z14.0"
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 18-3.
Measured wins
Galaxy Tab S12 Ultra
18
spec wins
Overall winner
Ties
2
equal specs
Z1
3
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
Z1
GSM / HSPA
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
Z1
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Z1
HSDPA 900 / 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
equal specs3.5mm jack
SD card
equal specsStereo speakers
Z1
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Z1
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Z1
HSPA
Announced
Galaxy Tab S12 Ultra
2026, September 30
Z1
2015, January. Released 2015, January
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Z1
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Z1
120.4 x 63.2 x 9.7 mm (4.74 x 2.49 x 0.38 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Z1
112 g (3.95 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Z1
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Z1
Dual 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
Z1
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Z1
PLS LCD
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Z1
4.0 inches, 45.5 cm2 (~59.8% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Z1
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Z1
Tizen 2.3
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
Z1
Spreadtrum SC7727S
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Z1
Dual-core 1.2 GHz Cortex-A7
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Z1
Mali-400
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Z1
microSDXC (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Z1
4GB 768MB RAM
Other
Galaxy Tab S12 Ultra
UFS
Z1
-
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Z1
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Z1
LED flash
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Z1
480p@15fps
Single
Galaxy Tab S12 Ultra
-
Z1
3.15 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Z1
VGA
Features
Galaxy Tab S12 Ultra
HDR
Z1
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Z1
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
Z1
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
Z1
Yes
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Z1
Wi-Fi 802.11 b/g/n
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Z1
4.1, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Z1
GPS
NFC
Galaxy Tab S12 Ultra
No
Z1
No
Radio
Galaxy Tab S12 Ultra
No
Z1
FM radio
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Z1
microUSB 2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Z1
Accelerometer
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Z1
-
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Z1
Li-Ion 1500 mAh, removable
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Z1
-
Talk time
Galaxy Tab S12 Ultra
-
Z1
Up to 8 h (3G)
Colors
Galaxy Tab S12 Ultra
Gray, Silver
Z1
White, Black, Wine Red
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
Z1
SM-Z130H, SM-Z130H
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Z1
0.71 W/kg (head) 0.67 W/kg (body)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
Z1
About 80 EUR
SAR
Galaxy Tab S12 Ultra
-
Z1
0.54 W/kg (head) 0.90 W/kg (body)