Screen size
C3312 Duos2.8"
Galaxy Tab S12 UltraWinner: 14.6"+81%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 20-2.
Measured wins
C3312 Duos
2
spec wins
Ties
1
equal specs
Galaxy Tab S12 Ultra
20
spec wins
Overall winner
Screen size
Technology
C3312 Duos
GSM
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
C3312 Duos
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
GPRS
C3312 Duos
Yes
Galaxy Tab S12 Ultra
-
EDGE
C3312 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
C3312 Duos
-
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
C3312 Duos
-
Galaxy Tab S12 Ultra
LTE
5G bands
C3312 Duos
-
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Speed
C3312 Duos
-
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Announced
C3312 Duos
2012, January. Released 2012, January
Galaxy Tab S12 Ultra
2026, September 30
Status
C3312 Duos
Discontinued
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
C3312 Duos
102 x 55 x 12 mm (4.02 x 2.17 x 0.47 in)
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Weight
C3312 Duos
100 g (3.53 oz)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
SIM
C3312 Duos
Dual SIM (Mini-SIM, dual stand-by)
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Build
C3312 Duos
-
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Other
C3312 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
C3312 Duos
TFT, 256K colors
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
C3312 Duos
2.8 inches, 24.3 cm2 (~43.3% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
C3312 Duos
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
OS
C3312 Duos
Android 2.3 (Gingerbread), TouchWiz Lite UI
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
C3312 Duos
-
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
C3312 Duos
-
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
C3312 Duos
-
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Card slot
C3312 Duos
microSDHC (dedicated slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
C3312 Duos
30MB
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
C3312 Duos
-
Galaxy Tab S12 Ultra
UFS
Single
C3312 Duos
1.3 MP
Galaxy Tab S12 Ultra
-
Video
C3312 Duos
Yes
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
C3312 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
C3312 Duos
-
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Other
C3312 Duos
No
Galaxy Tab S12 Ultra
-
Single
C3312 Duos
-
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Features
C3312 Duos
-
Galaxy Tab S12 Ultra
HDR
Video
C3312 Duos
-
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Loudspeaker
C3312 Duos
Yes
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
C3312 Duos
Yes
Galaxy Tab S12 Ultra
No
WLAN
C3312 Duos
No
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
C3312 Duos
3.0, A2DP, EDR
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
C3312 Duos
No
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Radio
C3312 Duos
FM radio, recording
Galaxy Tab S12 Ultra
No
USB
C3312 Duos
microUSB 2.0
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
NFC
C3312 Duos
-
Galaxy Tab S12 Ultra
No
Sensors
C3312 Duos
Accelerometer
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
C3312 Duos
SNS integration MP4/WMV/H.264 player MP3/WAV/eAAC+ player Organizer Voice memo Predictive text input
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
C3312 Duos
Removable Li-Ion 1000 mAh battery
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Stand-by
C3312 Duos
Up to 600 h
Galaxy Tab S12 Ultra
-
Talk time
C3312 Duos
Up to 14 h
Galaxy Tab S12 Ultra
-
Charging
C3312 Duos
-
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
C3312 Duos
Platinum Silver, White
Galaxy Tab S12 Ultra
Gray, Silver
SAR
C3312 Duos
0.72 W/kg (head) 0.35 W/kg (body)
Galaxy Tab S12 Ultra
-
SAR EU
C3312 Duos
0.88 W/kg (head)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
C3312 Duos
About 70 EUR
Galaxy Tab S12 Ultra
About 1570 EUR
Models
C3312 Duos
-
Galaxy Tab S12 Ultra
SM-X940, SM-X946