Screen size
C6712 Star II DUOS3.2"
Galaxy Tab S12 UltraWinner: 14.6"+78%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 19-3.
Measured wins
C6712 Star II DUOS
3
spec wins
Ties
1
equal specs
Galaxy Tab S12 Ultra
19
spec wins
Overall winner
Screen size
Technology
C6712 Star II DUOS
GSM
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
C6712 Star II DUOS
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 850 / 900 / 1800 / 1900 - SIM 2
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
GPRS
C6712 Star II DUOS
Class 12
Galaxy Tab S12 Ultra
-
EDGE
C6712 Star II DUOS
Yes
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
Galaxy Tab S12 Ultra
-
3G bands
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
LTE
5G bands
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Speed
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Announced
C6712 Star II DUOS
2011, April. Released 2011, May
Galaxy Tab S12 Ultra
2026, September 30
Status
C6712 Star II DUOS
Discontinued
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
C6712 Star II DUOS
109.5 x 56 x 12.2 mm (4.31 x 2.20 x 0.48 in)
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Weight
C6712 Star II DUOS
100 g (3.32 oz)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
SIM
C6712 Star II DUOS
Dual SIM (Mini-SIM, dual stand-by)
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Build
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Other
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
C6712 Star II DUOS
TFT, 256K colors
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
C6712 Star II DUOS
3.2 inches, 29.1 cm2 (~47.5% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
C6712 Star II DUOS
240 x 400 pixels, 5:3 ratio (~146 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Other
C6712 Star II DUOS
TouchWiz 3.0 UI
Galaxy Tab S12 Ultra
-
Card slot
C6712 Star II DUOS
microSDHC (dedicated slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Phonebook
C6712 Star II DUOS
Yes, Photocall
Galaxy Tab S12 Ultra
-
Call records
C6712 Star II DUOS
30 dialed, 30 received, 30 missed calls
Galaxy Tab S12 Ultra
-
Internal
C6712 Star II DUOS
30MB
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
UFS
Single
C6712 Star II DUOS
3.15 MP
Galaxy Tab S12 Ultra
-
Video
C6712 Star II DUOS
320p@15fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Features
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Other
C6712 Star II DUOS
No
Galaxy Tab S12 Ultra
-
Single
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Features
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
HDR
Video
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Loudspeaker
C6712 Star II DUOS
Yes
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
C6712 Star II DUOS
Yes
Galaxy Tab S12 Ultra
No
WLAN
C6712 Star II DUOS
Wi-Fi 802.11 b/g/n
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
C6712 Star II DUOS
3.0, A2DP
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
C6712 Star II DUOS
No
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Radio
C6712 Star II DUOS
FM radio, RDS, recording
Galaxy Tab S12 Ultra
No
USB
C6712 Star II DUOS
microUSB 2.0
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
NFC
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
No
Sensors
C6712 Star II DUOS
Accelerometer
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Messaging
C6712 Star II DUOS
SMS, MMS, Email, IM
Galaxy Tab S12 Ultra
-
Browser
C6712 Star II DUOS
WAP 2.0/xHTML, HTML
Galaxy Tab S12 Ultra
-
Games
C6712 Star II DUOS
Yes + downloadable
Galaxy Tab S12 Ultra
-
Java
C6712 Star II DUOS
Yes, MIDP 2.0
Galaxy Tab S12 Ultra
-
Other
C6712 Star II DUOS
Facebook, Twitter MP3/WAV/WMA/AAC+ player H.264/MP4 player Organizer Document viewer (Word, Excel, PowerPoint, PDF) Voice memo Predictive text input
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
C6712 Star II DUOS
Removable Li-Ion 1200 mAh battery
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Stand-by
C6712 Star II DUOS
Up to 550 h
Galaxy Tab S12 Ultra
-
Talk time
C6712 Star II DUOS
Up to 10 h
Galaxy Tab S12 Ultra
-
Charging
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
C6712 Star II DUOS
Black
Galaxy Tab S12 Ultra
Gray, Silver
SAR EU
C6712 Star II DUOS
0.74 W/kg (head)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
C6712 Star II DUOS
About 80 EUR
Galaxy Tab S12 Ultra
About 1570 EUR
Models
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
SM-X940, SM-X946
OS
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
C6712 Star II DUOS
-
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12