Screen size
Galaxy 5513.2"
Galaxy Tab S12+Winner: 12.6"+75%
Quick verdict
Galaxy Tab S12+ leads the measured specs 19-3.
Measured wins
Galaxy 551
3
spec wins
Ties
1
equal specs
Galaxy Tab S12+
19
spec wins
Overall winner
Screen size
Technology
Galaxy 551
GSM / HSPA
Galaxy Tab S12+
GSM / HSPA / LTE / 5G
2G bands
Galaxy 551
GSM 850 / 900 / 1800 / 1900
Galaxy Tab S12+
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy 551
HSDPA 900 / 2100 , HSDPA 850 / 2100
Galaxy Tab S12+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
Galaxy 551
HSPA 7.2/0.384 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
3.5mm jack
SD card
equal specsStereo speakers
Galaxy Tab S12+
HSPA, LTE, 5G - cellular model only
4G bands
Galaxy 551
-
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
5G bands
Galaxy 551
-
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
Announced
Galaxy 551
2010, October. Released 2010, Q4
Galaxy Tab S12+
2026, September 30
Status
Galaxy 551
Discontinued
Galaxy Tab S12+
Available. Released 2026, October 07
Dimensions
Galaxy 551
111 x 55 x 15.2 mm (4.37 x 2.17 x 0.60 in)
Galaxy Tab S12+
289.5 x 187.8 x 5.3 mm (11.40 x 7.39 x 0.21 in)
Weight
Galaxy 551
117 g (4.13 oz)
Galaxy Tab S12+
553 g or 555 g (1.22 lb)
Keyboard
Galaxy 551
QWERTY
Galaxy Tab S12+
-
SIM
Galaxy 551
Mini-SIM
Galaxy Tab S12+
Nano-SIM + eSIM (cellular model only)
Build
Galaxy 551
-
Galaxy Tab S12+
Glass front, aluminum frame, aluminum back
Other
Galaxy 551
-
Galaxy Tab S12+
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
Galaxy 551
TFT
Galaxy Tab S12+
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy 551
3.2 inches, 29.1 cm2 (~47.7% screen-to-body ratio)
Galaxy Tab S12+
12.6 inches, 460.6 cm2 (~84.7% screen-to-body ratio)
Resolution
Galaxy 551
240 x 400 pixels, 5:3 ratio (~146 ppi density)
Galaxy Tab S12+
1752 x 2800 pixels, 16:10 ratio (~262 ppi density)
Other
Galaxy 551
TouchWiz 3.0 UI
Galaxy Tab S12+
-
OS
Galaxy 551
Android 2.2 (Froyo), upgradable to 2.3.6 (Gingerbread)
Galaxy Tab S12+
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy 551
Qualcomm MSM7227 Snapdragon S1
Galaxy Tab S12+
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy 551
600 MHz
Galaxy Tab S12+
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Galaxy 551
Adreno 200
Galaxy Tab S12+
Mali-G1 Ultra MC12
Card slot
Galaxy 551
microSDHC (dedicated slot), 1 GB included
Galaxy Tab S12+
microSDXC (dedicated slot)
Internal
Galaxy 551
160MB
Galaxy Tab S12+
256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy 551
DNSe sound enhancement
Galaxy Tab S12+
UFS
Single
Galaxy 551
3.15 MP, AF
Galaxy Tab S12+
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF
Video
Galaxy 551
320p@15fps
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Features
Galaxy 551
-
Galaxy Tab S12+
LED flash, HDR, panorama
Other
Galaxy 551
No
Galaxy Tab S12+
-
Single
Galaxy 551
-
Galaxy Tab S12+
12 MP, f/2.4, 120˚ (ultrawide)
Features
Galaxy 551
-
Galaxy Tab S12+
HDR
Video
Galaxy 551
-
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Loudspeaker
Galaxy 551
Yes
Galaxy Tab S12+
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy 551
Yes
Galaxy Tab S12+
No
WLAN
Galaxy 551
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Galaxy Tab S12+
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth
Galaxy 551
2.1, A2DP
Galaxy Tab S12+
6.0, A2DP, LE
Positioning
Galaxy 551
GPS, A-GPS
Galaxy Tab S12+
GPS, GLONASS, BDS, GALILEO
Radio
Galaxy 551
Stereo FM radio, RDS
Galaxy Tab S12+
No
USB
Galaxy 551
microUSB 2.0
Galaxy Tab S12+
USB Type-C 3.2, magnetic connector
NFC
Galaxy 551
-
Galaxy Tab S12+
No
Sensors
Galaxy 551
Accelerometer, proximity, compass
Galaxy Tab S12+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Browser
Galaxy 551
HTML
Galaxy Tab S12+
-
Other
Galaxy 551
MP4/WMV/H.263 player MP3/WAV/eAAC+ player Document viewer
Galaxy Tab S12+
Wireless Samsung DeX (desktop experience support)
Type
Galaxy 551
Removable Li-Ion 1200 mAh battery
Galaxy Tab S12+
Li-Po 10600 mAh
Stand-by
Galaxy 551
Up to 520 h (2G) / Up to 370 h (3G)
Galaxy Tab S12+
-
Talk time
Galaxy 551
Up to 9 h (2G) / Up to 5 h (3G)
Galaxy Tab S12+
-
Charging
Galaxy 551
-
Galaxy Tab S12+
45W wired, 100% in 95 min
Colors
Galaxy 551
Black
Galaxy Tab S12+
Gray, Silver
SAR
Galaxy 551
0.18 W/kg (head) 0.90 W/kg (body)
Galaxy Tab S12+
-
SAR EU
Galaxy 551
0.38 W/kg (head)
Galaxy Tab S12+
0.77 W/kg (body)
Price
Galaxy 551
About 90 EUR
Galaxy Tab S12+
About 1330 EUR
Models
Galaxy 551
-
Galaxy Tab S12+
SM-X840, SM-X846