Screen size
Galaxy S Duos 34.0"
Galaxy Tab S12 UltraWinner: 14.6"+73%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 19-2.
Measured wins
Galaxy S Duos 3
2
spec wins
Ties
2
equal specs
Galaxy Tab S12 Ultra
19
spec wins
Overall winner
Screen size
Technology
Galaxy S Duos 3
GSM / HSPA
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Galaxy S Duos 3
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy S Duos 3
HSDPA 900 / 2100
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
Galaxy S Duos 3
HSPA 21.1/5.76 Mbps
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
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
4G bands
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
LTE
5G bands
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Announced
Galaxy S Duos 3
2014, August. Released 2014, August
Galaxy Tab S12 Ultra
2026, September 30
Status
Galaxy S Duos 3
Discontinued
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
Galaxy S Duos 3
121.4 x 62.9 x 10.8 mm (4.78 x 2.48 x 0.43 in)
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Weight
Galaxy S Duos 3
124 g (4.37 oz)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
SIM
Galaxy S Duos 3
Dual SIM (Micro-SIM, dual stand-by)
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Build
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Other
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
Galaxy S Duos 3
TFT
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy S Duos 3
4.0 inches, 45.5 cm2 (~59.6% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
Galaxy S Duos 3
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
OS
Galaxy S Duos 3
Android 4.4.2 (KitKat)
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
CPU
Galaxy S Duos 3
Dual-core 1.2 GHz Cortex-A7
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Chipset
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
GPU
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Card slot
Galaxy S Duos 3
microSDHC (dedicated slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
Galaxy S Duos 3
4GB 512MB RAM
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
UFS
Single
Galaxy S Duos 3
5 MP, AF
Galaxy Tab S12 Ultra
-
Features
Galaxy S Duos 3
LED flash
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Video
Galaxy S Duos 3
720p@30fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Single
Galaxy S Duos 3
VGA
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Video
Galaxy S Duos 3
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Features
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
HDR
Loudspeaker
Galaxy S Duos 3
Yes
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy S Duos 3
Yes
Galaxy Tab S12 Ultra
No
WLAN
Galaxy S Duos 3
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy S Duos 3
4.0, A2DP
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
Galaxy S Duos 3
GPS, GLONASS
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy S Duos 3
No
Galaxy Tab S12 Ultra
No
Radio
Galaxy S Duos 3
FM radio
Galaxy Tab S12 Ultra
No
USB
Galaxy S Duos 3
microUSB 2.0
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Sensors
Galaxy S Duos 3
Accelerometer
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
Galaxy S Duos 3
Li-Ion 1500 mAh, removable
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Charging
Galaxy S Duos 3
-
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
Galaxy S Duos 3
Black, Gray
Galaxy Tab S12 Ultra
Gray, Silver
Models
Galaxy S Duos 3
SM-G313HU, SM-G316HU, SM-G316M
Galaxy Tab S12 Ultra
SM-X940, SM-X946
SAR
Galaxy S Duos 3
1.07 W/kg (head) 1.07 W/kg (body)
Galaxy Tab S12 Ultra
-
SAR EU
Galaxy S Duos 3
0.53 W/kg (head) 0.55 W/kg (body)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
Galaxy S Duos 3
About 100 EUR
Galaxy Tab S12 Ultra
About 1570 EUR