Screen size
Galaxy Tab S12 UltraWinner: 14.6"+84%
Z6202.3"
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
Z620
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
Z620
GSM / HSPA
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
Z620
GSM 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Z620
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
equal specsSD card
equal specsStereo speakers
Z620
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Z620
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Z620
HSPA
Announced
Galaxy Tab S12 Ultra
2026, September 30
Z620
2006, August
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Z620
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Z620
103 x 54 x 11.8 mm (4.06 x 2.13 x 0.46 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Z620
96.5 g (3.39 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Z620
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Z620
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
Z620
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Z620
TFT, 256K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Z620
2.3 inches, 16.4 cm2 (~29.5% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Z620
240 x 320 pixels, 4:3 ratio (~174 ppi density)
Other
Galaxy Tab S12 Ultra
-
Z620
Second external OLED, 16 gray display (96 x 16 pixels)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Z620
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
Z620
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Z620
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Z620
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Z620
microSD (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Z620
20MB
Other
Galaxy Tab S12 Ultra
UFS
Z620
-
Phonebook
Galaxy Tab S12 Ultra
-
Z620
1000 entries, Photocall
Call records
Galaxy Tab S12 Ultra
-
Z620
20 dialed, 20 received, 20 missed calls
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Z620
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Z620
rotating lens
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Z620
320p
Single
Galaxy Tab S12 Ultra
-
Z620
2 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Z620
-
Features
Galaxy Tab S12 Ultra
HDR
Z620
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Z620
-
Other
Galaxy Tab S12 Ultra
-
Z620
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
Z620
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
Z620
No
Alert types
Galaxy Tab S12 Ultra
-
Z620
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
Z620
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Z620
1.2, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Z620
No
NFC
Galaxy Tab S12 Ultra
No
Z620
-
Radio
Galaxy Tab S12 Ultra
No
Z620
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Z620
2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Z620
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Z620
MP3/AAC/AAC+/e-AAC+ player Predictive text input Document viewer (Word, Excel, PowerPoint, PDF) Organizer Voice memo
Messaging
Galaxy Tab S12 Ultra
-
Z620
SMS, EMS, MMS, Email
Browser
Galaxy Tab S12 Ultra
-
Z620
WAP 2.0/xHTML
Games
Galaxy Tab S12 Ultra
-
Z620
Yes + downloadable
Java
Galaxy Tab S12 Ultra
-
Z620
Yes, MIDP 2.0
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Z620
Removable Li-Ion 900 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Z620
-
Stand-by
Galaxy Tab S12 Ultra
-
Z620
Up to 250 h
Talk time
Galaxy Tab S12 Ultra
-
Z620
Up to 5 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
Z620
Black/Pink, Silver, Blue
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
Z620
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Z620
0.33 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
Z620
-
SAR
Galaxy Tab S12 Ultra
-
Z620
0.30 W/kg (head) 0.38 W/kg (body)