Screen size
Galaxy Tab S12+Winner: 12.6"
T400—
Quick verdict
Galaxy Tab S12+ leads the measured specs 21-1.
Measured wins
Galaxy Tab S12+
21
spec wins
Overall winner
Ties
1
equal specs
T400
1
spec wins
Screen size
Technology
Galaxy Tab S12+
GSM / HSPA / LTE / 5G
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GSM
2G bands
Galaxy Tab S12+
GSM 850 / 900 / 1800 / 1900
T400
GSM 900 / 1800
3G bands
Galaxy Tab S12+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
T400
-
4G bands
Galaxy Tab S12+
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
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
equal specsSD card
Stereo speakers
T400
-
5G bands
Galaxy Tab S12+
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 71, 75, 77, 78 SA/NSA/Sub6
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-
Speed
Galaxy Tab S12+
HSPA, LTE, 5G - cellular model only
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-
GPRS
Galaxy Tab S12+
-
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No
EDGE
Galaxy Tab S12+
-
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No
Announced
Galaxy Tab S12+
2026, September 30
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2002, Q4
Status
Galaxy Tab S12+
Available. Released 2026, October 07
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Discontinued
Dimensions
Galaxy Tab S12+
289.5 x 187.8 x 5.3 mm (11.40 x 7.39 x 0.21 in)
T400
80 x 42 x 21 mm (3.15 x 1.65 x 0.83 in)
Weight
Galaxy Tab S12+
553 g or 555 g (1.22 lb)
T400
80 g (2.82 oz)
Build
Galaxy Tab S12+
Glass front, aluminum frame, aluminum back
T400
-
SIM
Galaxy Tab S12+
Nano-SIM + eSIM (cellular model only)
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Mini-SIM
Other
Galaxy Tab S12+
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
T400
-
Type
Galaxy Tab S12+
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
T400
TFT, 65K colors
Size
Galaxy Tab S12+
12.6 inches, 460.6 cm2 (~84.7% screen-to-body ratio)
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Resolution
Galaxy Tab S12+
1752 x 2800 pixels, 16:10 ratio (~262 ppi density)
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128 x 144 pixels
Other
Galaxy Tab S12+
-
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Second external display 96 x 64 pixels Four way navigation keys Service LED in 6 colors 6 wallpapers + 8 downloadable
OS
Galaxy Tab S12+
Android 17, up to 7 major OS updates, One UI 9
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-
Chipset
Galaxy Tab S12+
MediaTek Dimensity 9500 (3 nm)
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-
CPU
Galaxy Tab S12+
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
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-
GPU
Galaxy Tab S12+
Mali-G1 Ultra MC12
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-
Card slot
Galaxy Tab S12+
microSDXC (dedicated slot)
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No
Internal
Galaxy Tab S12+
256GB 12GB RAM, 512GB 12GB RAM
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-
Other
Galaxy Tab S12+
UFS
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Message templates
Phonebook
Galaxy Tab S12+
-
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500 entries, contact groups
Call records
Galaxy Tab S12+
-
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10 dialed, 10 received, 10 missed calls
Single
Galaxy Tab S12+
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF
T400
-
Features
Galaxy Tab S12+
LED flash, HDR, panorama
T400
-
Video
Galaxy Tab S12+
4K@30fps, 1080p@30fps
T400
-
Single
Galaxy Tab S12+
12 MP, f/2.4, 120˚ (ultrawide)
T400
-
Features
Galaxy Tab S12+
HDR
T400
-
Video
Galaxy Tab S12+
4K@30fps, 1080p@30fps
T400
-
Loudspeaker
Galaxy Tab S12+
Yes, with stereo speakers (4 speakers)
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No
3.5mm jack
Galaxy Tab S12+
No
T400
No
Alert types
Galaxy Tab S12+
-
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Vibration; Downloadable polyphonic ringtones, composer
WLAN
Galaxy Tab S12+
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
T400
No
Bluetooth
Galaxy Tab S12+
6.0, A2DP, LE
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No
Positioning
Galaxy Tab S12+
GPS, GLONASS, BDS, GALILEO
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No
NFC
Galaxy Tab S12+
No
T400
-
Radio
Galaxy Tab S12+
No
T400
No
USB
Galaxy Tab S12+
USB Type-C 3.2, magnetic connector
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Sensors
Galaxy Tab S12+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
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Other
Galaxy Tab S12+
Wireless Samsung DeX (desktop experience support)
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Aluminum finish Predictive text input Voice commands and dial Voice memo Organizer Menu shortcuts World clock
Messaging
Galaxy Tab S12+
-
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SMS
Browser
Galaxy Tab S12+
-
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WAP 1.2
Clock
Galaxy Tab S12+
-
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Yes
Alarm
Galaxy Tab S12+
-
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Yes
Games
Galaxy Tab S12+
-
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3 - Bowling, Speed Up, Honey Ball
Java
Galaxy Tab S12+
-
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No
Type
Galaxy Tab S12+
Li-Po 10600 mAh
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Removable Li-Ion 800 mAh battery
Charging
Galaxy Tab S12+
45W wired, 100% in 95 min
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-
Stand-by
Galaxy Tab S12+
-
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Up to 120 h - 220 h
Talk time
Galaxy Tab S12+
-
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Up to 2 h - 5 h 35 m
Colors
Galaxy Tab S12+
Gray, Silver
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Models
Galaxy Tab S12+
SM-X840, SM-X846
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-
SAR EU
Galaxy Tab S12+
0.77 W/kg (body)
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-
Price
Galaxy Tab S12+
About 1330 EUR
T400
-
Other
Galaxy Tab S12+
-
T400
No