Screen size
Galaxy Tab S12 UltraWinner: 14.6"+84%
i617 BlackJack II2.4"
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 20-1.
Measured wins
Galaxy Tab S12 Ultra
20
spec wins
Overall winner
Ties
2
equal specs
i617 BlackJack II
1
spec wins
Screen size
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
equal specsStereo speakers
Technology
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
i617 BlackJack II
GSM / HSPA
2G bands
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
i617 BlackJack II
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
i617 BlackJack II
HSDPA 850 / 1900 / 2100
4G bands
Galaxy Tab S12 Ultra
LTE
i617 BlackJack II
-
5G bands
Galaxy Tab S12 Ultra
SA/NSA/Sub6
i617 BlackJack II
-
Speed
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
i617 BlackJack II
HSPA 3.6/0.384 Mbps
Announced
Galaxy Tab S12 Ultra
2026, September 30
i617 BlackJack II
2007, October
Status
Galaxy Tab S12 Ultra
Released Oct 7, 2026
i617 BlackJack II
Discontinued
Dimensions
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
i617 BlackJack II
114 x 61 x 13 mm (4.49 x 2.40 x 0.51 in)
Weight
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
i617 BlackJack II
116 g (4.09 oz)
Build
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
i617 BlackJack II
-
SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
i617 BlackJack II
Mini-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
i617 BlackJack II
-
Keyboard
Galaxy Tab S12 Ultra
-
i617 BlackJack II
QWERTY
Type
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
i617 BlackJack II
TFT, 65K colors
Size
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
i617 BlackJack II
2.4 inches, 17.8 cm2 (~25.7% screen-to-body ratio)
Resolution
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
i617 BlackJack II
320 x 240 pixels, 4:3 ratio (~167 ppi density)
OS
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
i617 BlackJack II
Microsoft Windows Mobile 6.0
Chipset
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
i617 BlackJack II
-
CPU
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
i617 BlackJack II
260 MHz Dual ARM 9
GPU
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
i617 BlackJack II
-
Card slot
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
i617 BlackJack II
microSDHC (dedicated slot)
Internal
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
i617 BlackJack II
128MB RAM, 256MB ROM
Other
Galaxy Tab S12 Ultra
UFS
i617 BlackJack II
-
Dual
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
i617 BlackJack II
-
Features
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
i617 BlackJack II
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
i617 BlackJack II
Yes
Single
Galaxy Tab S12 Ultra
-
i617 BlackJack II
2 MP
Single
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
i617 BlackJack II
-
Features
Galaxy Tab S12 Ultra
HDR
i617 BlackJack II
-
Video
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
i617 BlackJack II
-
Other
Galaxy Tab S12 Ultra
-
i617 BlackJack II
No
Loudspeaker
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
i617 BlackJack II
Yes
3.5mm jack
Galaxy Tab S12 Ultra
No
i617 BlackJack II
No
Alert types
Galaxy Tab S12 Ultra
-
i617 BlackJack II
Vibration; Downloadable polyphonic, MP3, WAV ringtones
WLAN
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
i617 BlackJack II
No
Bluetooth
Galaxy Tab S12 Ultra
6.0, A2DP, LE
i617 BlackJack II
2.0, A2DP
Positioning
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
i617 BlackJack II
GPS
NFC
Galaxy Tab S12 Ultra
No
i617 BlackJack II
-
Radio
Galaxy Tab S12 Ultra
No
i617 BlackJack II
No
USB
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
i617 BlackJack II
2.0
Sensors
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
i617 BlackJack II
Other
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
i617 BlackJack II
Mobile TV receiver WMV/3GP/H.263/MP4 player WMA/MP3/AAC/AAC+/OGG/ASF player Organizer Pocket Office
Browser
Galaxy Tab S12 Ultra
-
i617 BlackJack II
WAP 2.0/xHTML, HTML, RSS feeds
Type
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
i617 BlackJack II
Removable Li-Ion 1700 mAh battery
Charging
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
i617 BlackJack II
-
Stand-by
Galaxy Tab S12 Ultra
-
i617 BlackJack II
Up to 330 h
Talk time
Galaxy Tab S12 Ultra
-
i617 BlackJack II
Up to 7 h
Colors
Galaxy Tab S12 Ultra
Gray, Silver
i617 BlackJack II
Black
Models
Galaxy Tab S12 Ultra
SM-X940, SM-X946
i617 BlackJack II
-
SAR EU
Galaxy Tab S12 Ultra
0.47 W/kg (body)
i617 BlackJack II
0.47 W/kg (head)
Price
Galaxy Tab S12 Ultra
About 1570 EUR
i617 BlackJack II
About 100 EUR
SAR
Galaxy Tab S12 Ultra
-
i617 BlackJack II
1.20 W/kg (head) 0.76 W/kg (body)