Screen size
Galaxy Tab S12 UltraWinner: 14.6"+28%
Galaxy Tab S6 5G10.5"
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 15-2.
Measured wins
Galaxy Tab S12 Ultra
15
spec wins
Overall winner
Ties
6
equal specs
Galaxy Tab S6 5G
2
spec wins
Screen size
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
Galaxy Tab S6 5G
GSM / HSPA / LTE / 5G
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
Galaxy Tab S6 5G
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy Tab S6 5G
HSDPA 850 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy Tab S12 Ultra
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsGalaxy Tab S6 5G
1, 2, 3, 4, 5, 7, 8, 13, 17, 20, 38, 40, 41
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Galaxy Tab S6 5G
78 SA/NSA
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Galaxy Tab S6 5G
HSPA 42.2/5.76 Mbps, LTE (6CA) Cat20 2000/150 Mbps, 5G (2+ Gbps DL)
Announced
Galaxy Tab S12 Ultra
2026, September 30
Galaxy Tab S6 5G
2020, January 29
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Galaxy Tab S6 5G
Available. Released 2020, January 30
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Galaxy Tab S6 5G
244.5 x 159.5 x 5.7 mm (9.63 x 6.28 x 0.22 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Galaxy Tab S6 5G
420 g (14.82 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Galaxy Tab S6 5G
Glass front, aluminum back, aluminum frame
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Galaxy Tab S6 5G
Nano-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
Galaxy Tab S6 5G
Stylus support (Bluetooth integration; magnetic)
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Galaxy Tab S6 5G
Super AMOLED, HDR10+
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Galaxy Tab S6 5G
10.5 inches, 321.9 cm2 (~82.5% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Galaxy Tab S6 5G
1600 x 2560 pixels, 16:10 ratio (~287 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Galaxy Tab S6 5G
Android 10, One UI 2
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
Galaxy Tab S6 5G
Qualcomm SM8150 Snapdragon 855+ (7 nm)
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Galaxy Tab S6 5G
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Galaxy Tab S6 5G
Adreno 640 (700 MHz)
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Galaxy Tab S6 5G
microSDXC (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Galaxy Tab S6 5G
128GB 6GB RAM
Other
Galaxy Tab S12 Ultra
UFS
Galaxy Tab S6 5G
UFS 3.0
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Galaxy Tab S6 5G
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 5 MP, f/2.2, 12mm (ultrawide), 1.12µm
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Galaxy Tab S6 5G
HDR, panorama
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Galaxy Tab S6 5G
4K@30fps
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Galaxy Tab S6 5G
8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm
Features
Galaxy Tab S12 Ultra
HDR
Galaxy Tab S6 5G
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Galaxy Tab S6 5G
1080p@30fps
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
Galaxy Tab S6 5G
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy Tab S12 Ultra
No
Galaxy Tab S6 5G
No
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Galaxy Tab S6 5G
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Galaxy Tab S6 5G
5.0, A2DP, LE
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Galaxy Tab S6 5G
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy Tab S12 Ultra
No
Galaxy Tab S6 5G
No
Radio
Galaxy Tab S12 Ultra
No
Galaxy Tab S6 5G
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Galaxy Tab S6 5G
USB Type-C 3.1, magnetic connector
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy Tab S6 5G
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Galaxy Tab S6 5G
Samsung DeX (desktop experience support) ANT+
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Galaxy Tab S6 5G
Li-Po 7040 mAh
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Galaxy Tab S6 5G
15W wired
Colors
Galaxy Tab S12 Ultra
Gray, Silver
Galaxy Tab S6 5G
Mountain Gray
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
Galaxy Tab S6 5G
SM-T866N
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Galaxy Tab S6 5G
-
Price
Galaxy Tab S12 Ultra
About 1570 EUR
Galaxy Tab S6 5G
About 800 EUR