Screen size
Galaxy 5513.2"
Galaxy Tab S12 UltraWinner: 14.6"+78%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 19-3.
Measured wins
Galaxy 551
3
spec wins
Ties
1
equal specs
Galaxy Tab S12 Ultra
19
spec wins
Overall winner
Screen size
Technology
Galaxy 551
GSM / HSPA
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Galaxy 551
GSM 850 / 900 / 1800 / 1900
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy 551
HSDPA 900 / 2100 , HSDPA 850 / 2100
Galaxy Tab S12 Ultra
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 Ultra
HSPA, LTE, 5G - cellular model only
4G bands
Galaxy 551
-
Galaxy Tab S12 Ultra
LTE
5G bands
Galaxy 551
-
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Announced
Galaxy 551
2010, October. Released 2010, Q4
Galaxy Tab S12 Ultra
2026, September 30
Status
Galaxy 551
Discontinued
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
Galaxy 551
111 x 55 x 15.2 mm (4.37 x 2.17 x 0.60 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 551
117 g (4.13 oz)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Keyboard
Galaxy 551
QWERTY
Galaxy Tab S12 Ultra
-
SIM
Galaxy 551
Mini-SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Build
Galaxy 551
-
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Other
Galaxy 551
-
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 551
TFT
Galaxy Tab S12 Ultra
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 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
Galaxy 551
240 x 400 pixels, 5:3 ratio (~146 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Other
Galaxy 551
TouchWiz 3.0 UI
Galaxy Tab S12 Ultra
-
OS
Galaxy 551
Android 2.2 (Froyo), upgradable to 2.3.6 (Gingerbread)
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy 551
Qualcomm MSM7227 Snapdragon S1
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy 551
600 MHz
Galaxy Tab S12 Ultra
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 Ultra
Mali-G1 Ultra MC12
Card slot
Galaxy 551
microSDHC (dedicated slot), 1 GB included
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
Galaxy 551
160MB
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
Galaxy 551
DNSe sound enhancement
Galaxy Tab S12 Ultra
UFS
Single
Galaxy 551
3.15 MP, AF
Galaxy Tab S12 Ultra
-
Video
Galaxy 551
320p@15fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
Galaxy 551
-
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 551
-
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Other
Galaxy 551
No
Galaxy Tab S12 Ultra
-
Single
Galaxy 551
-
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Features
Galaxy 551
-
Galaxy Tab S12 Ultra
HDR
Video
Galaxy 551
-
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Loudspeaker
Galaxy 551
Yes
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy 551
Yes
Galaxy Tab S12 Ultra
No
WLAN
Galaxy 551
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy 551
2.1, A2DP
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
Galaxy 551
GPS, A-GPS
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
Radio
Galaxy 551
Stereo FM radio, RDS
Galaxy Tab S12 Ultra
No
USB
Galaxy 551
microUSB 2.0
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
NFC
Galaxy 551
-
Galaxy Tab S12 Ultra
No
Sensors
Galaxy 551
Accelerometer, proximity, compass
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Browser
Galaxy 551
HTML
Galaxy Tab S12 Ultra
-
Other
Galaxy 551
MP4/WMV/H.263 player MP3/WAV/eAAC+ player Document viewer
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
Galaxy 551
Removable Li-Ion 1200 mAh battery
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Stand-by
Galaxy 551
Up to 520 h (2G) / Up to 370 h (3G)
Galaxy Tab S12 Ultra
-
Talk time
Galaxy 551
Up to 9 h (2G) / Up to 5 h (3G)
Galaxy Tab S12 Ultra
-
Charging
Galaxy 551
-
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
Galaxy 551
Black
Galaxy Tab S12 Ultra
Gray, Silver
SAR
Galaxy 551
0.18 W/kg (head) 0.90 W/kg (body)
Galaxy Tab S12 Ultra
-
SAR EU
Galaxy 551
0.38 W/kg (head)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
Galaxy 551
About 90 EUR
Galaxy Tab S12 Ultra
About 1570 EUR
Models
Galaxy 551
-
Galaxy Tab S12 Ultra
SM-X940, SM-X946