Screen size
Galaxy Tab S12 UltraWinner: 14.6"+81%
Rex 60 C3312R2.8"
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
Rex 60 C3312R
1
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
Rex 60 C3312R
GSM
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
Rex 60 C3312R
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Rex 60 C3312R
-
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
Rex 60 C3312R
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Rex 60 C3312R
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Rex 60 C3312R
-
GPRS
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
Yes
EDGE
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
Yes
Announced
Galaxy Tab S12 Ultra
2026, September 30
Rex 60 C3312R
2013, February. Released 2013, March
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Rex 60 C3312R
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Rex 60 C3312R
101.8 x 55 x 12.2 mm (4.01 x 2.17 x 0.48 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Rex 60 C3312R
-
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Rex 60 C3312R
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Rex 60 C3312R
Dual SIM (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
Rex 60 C3312R
-
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Rex 60 C3312R
TFT, 65K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Rex 60 C3312R
2.8 inches, 24.3 cm2 (~43.4% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Rex 60 C3312R
240 x 320 pixels, 4:3 ratio (~143 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Rex 60 C3312R
-
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
Rex 60 C3312R
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Rex 60 C3312R
-
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Rex 60 C3312R
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Rex 60 C3312R
microSDHC (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Rex 60 C3312R
30MB
Other
Galaxy Tab S12 Ultra
UFS
Rex 60 C3312R
-
Phonebook
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
1000 entries
Call records
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
Yes
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Rex 60 C3312R
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Rex 60 C3312R
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Rex 60 C3312R
Yes
Single
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
1.3 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Rex 60 C3312R
-
Features
Galaxy Tab S12 Ultra
HDR
Rex 60 C3312R
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Rex 60 C3312R
-
Other
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
Rex 60 C3312R
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
Rex 60 C3312R
Yes
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Rex 60 C3312R
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Rex 60 C3312R
3.0
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Rex 60 C3312R
No
NFC
Galaxy Tab S12 Ultra
No
Rex 60 C3312R
No
Radio
Galaxy Tab S12 Ultra
No
Rex 60 C3312R
FM radio, recording
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Rex 60 C3312R
microUSB 2.0, OTG
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Rex 60 C3312R
Proximity
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Rex 60 C3312R
SNS applications MP4/H.263 player MP3/eAAC+ player Organizer Predictive text input
Messaging
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
SMS, MMS, Email, IM
Games
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
Yes
Java
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
Yes
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Rex 60 C3312R
Li-Ion 1000 mAh, removable
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Rex 60 C3312R
-
Talk time
Galaxy Tab S12 Ultra
-
Rex 60 C3312R
Up to 15 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
Rex 60 C3312R
White, Gray, Blue
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
Rex 60 C3312R
GT-C3312R, GT-C3310R
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Rex 60 C3312R
0.88 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
Rex 60 C3312R
About 50 EUR