Screen size
Galaxy Tab S10+12.4"
Galaxy Tab S12 UltraWinner: 14.6"+15%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 7-2.
Measured wins
Galaxy Tab S10+
2
spec wins
Ties
14
equal specs
Galaxy Tab S12 Ultra
7
spec wins
Overall winner
Screen size
Technology
Galaxy Tab S10+
GSM / HSPA / LTE / 5G
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Galaxy Tab S10+
GSM 850 / 900 / 1800 / 1900
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S10+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy Tab S10+
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
equal specsBluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsGalaxy Tab S12 Ultra
LTE
5G bands
Galaxy Tab S10+
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6, SA/NSA/Sub6/mmWave
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Speed
Galaxy Tab S10+
HSPA, LTE, 5G - cellular model only
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Announced
Galaxy Tab S10+
2024, September 26
Galaxy Tab S12 Ultra
2026, September 30
Status
Galaxy Tab S10+
Available. Released 2024, October 03
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
Galaxy Tab S10+
285.4 x 185.4 x 5.6 mm (11.24 x 7.30 x 0.22 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 Tab S10+
571 g (Wi-Fi), 576 g (5G) (1.26 lb)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Build
Galaxy Tab S10+
Glass front, aluminum frame, aluminum back
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
SIM
Galaxy Tab S10+
Nano-SIM + eSIM (cellular model only)
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Other
Galaxy Tab S10+
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus, 2.8ms latency (Bluetooth integration, accelerometer, gyro) Enhanced Armor aluminum
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 Tab S10+
Dynamic AMOLED 2X, 120Hz, HDR10+
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy Tab S10+
12.4 inches, 446.1 cm2 (~84.3% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
Galaxy Tab S10+
1752 x 2800 pixels, 16:10 ratio (~266 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Protection
Galaxy Tab S10+
Mohs level 5
Galaxy Tab S12 Ultra
-
OS
Galaxy Tab S10+
Android 14, One UI 6.1
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy Tab S10+
Mediatek Dimensity 9300+ (4 nm)
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy Tab S10+
Octa-core (1x3.4 GHz Cortex-X4 & 3x2.8 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Galaxy Tab S10+
Immortalis-G720 MC12
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Card slot
Galaxy Tab S10+
microSDXC (dedicated slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
Galaxy Tab S10+
256GB 12GB RAM, 512GB 12GB RAM
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
Galaxy Tab S10+
UFS
Galaxy Tab S12 Ultra
UFS
Dual
Galaxy Tab S10+
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Features
Galaxy Tab S10+
LED flash, HDR, panorama
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Video
Galaxy Tab S10+
4K@30fps, 1080p@30fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Single
Galaxy Tab S10+
12 MP, f/2.4, 120˚ (ultrawide)
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Features
Galaxy Tab S10+
HDR
Galaxy Tab S12 Ultra
HDR
Video
Galaxy Tab S10+
4K@30fps, 1080p@30fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Loudspeaker
Galaxy Tab S10+
Yes, with stereo speakers (4 speakers)
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy Tab S10+
No
Galaxy Tab S12 Ultra
No
WLAN
Galaxy Tab S10+
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy Tab S10+
5.3, A2DP, LE
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
Galaxy Tab S10+
GPS, GLONASS, BDS, GALILEO - cellular model only
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy Tab S10+
No
Galaxy Tab S12 Ultra
No
Radio
Galaxy Tab S10+
No
Galaxy Tab S12 Ultra
No
USB
Galaxy Tab S10+
USB Type-C 3.2, magnetic connector
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Sensors
Galaxy Tab S10+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy Tab S10+
Wireless Samsung DeX (desktop experience support)
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
Galaxy Tab S10+
Li-Po 10090 mAh
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Charging
Galaxy Tab S10+
45W wired
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
Galaxy Tab S10+
Moonstone Gray, Platinum Silver
Galaxy Tab S12 Ultra
Gray, Silver
Models
Galaxy Tab S10+
SM-X820, SM-X826B, SM-X820N, SM-X826N
Galaxy Tab S12 Ultra
SM-X940, SM-X946
SAR EU
Galaxy Tab S10+
0.80 W/kg (body)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
Galaxy Tab S10+
$ 999.99
Galaxy Tab S12 Ultra
About 1570 EUR