Screen size
Galaxy J2 Core (2020)5.0"
Galaxy Tab S12 UltraWinner: 14.6"+66%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 19-2.
Measured wins
Galaxy J2 Core (2020)
2
spec wins
Ties
2
equal specs
Galaxy Tab S12 Ultra
19
spec wins
Overall winner
Screen size
Technology
Galaxy J2 Core (2020)
GSM / HSPA / LTE
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Galaxy J2 Core (2020)
GSM 850 / 900 / 1800 / 1900
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy J2 Core (2020)
HSDPA 850 / 900 / 2100
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy J2 Core (2020)
1, 3, 5, 8, 40, 41
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
equal specs3.5mm jack
SD card
equal specsStereo speakers
Galaxy Tab S12 Ultra
LTE
Speed
Galaxy J2 Core (2020)
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
5G bands
Galaxy J2 Core (2020)
-
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Announced
Galaxy J2 Core (2020)
2020, April 27. Released 2020, April 27
Galaxy Tab S12 Ultra
2026, September 30
Status
Galaxy J2 Core (2020)
Discontinued
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
Galaxy J2 Core (2020)
143.4 x 72.1 x 8.9 mm (5.65 x 2.84 x 0.35 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 J2 Core (2020)
154 g (5.43 oz)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Build
Galaxy J2 Core (2020)
Glass front, plastic back, plastic frame
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
SIM
Galaxy J2 Core (2020)
Dual SIM (Micro-SIM, dual stand-by)
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Other
Galaxy J2 Core (2020)
-
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 J2 Core (2020)
PLS LCD
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy J2 Core (2020)
5.0 inches, 68.9 cm2 (~66.7% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
Galaxy J2 Core (2020)
540 x 960 pixels, 16:9 ratio (~220 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
OS
Galaxy J2 Core (2020)
Android 8.1 Oreo (Go edition)
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy J2 Core (2020)
Qualcomm MSM8917 Snapdragon 425 (28 nm)
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy J2 Core (2020)
Quad-core 1.4 GHz Cortex-A53
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Galaxy J2 Core (2020)
Adreno 308
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Card slot
Galaxy J2 Core (2020)
microSDXC (dedicated slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
Galaxy J2 Core (2020)
16GB 1GB RAM
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
Galaxy J2 Core (2020)
eMMC 5.0
Galaxy Tab S12 Ultra
UFS
Single
Galaxy J2 Core (2020)
8 MP, f/2.2, AF
Galaxy Tab S12 Ultra
-
Features
Galaxy J2 Core (2020)
LED flash, HDR, panorama
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Video
Galaxy J2 Core (2020)
1080p@30fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
Galaxy J2 Core (2020)
-
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Single
Galaxy J2 Core (2020)
5 MP, f/2.2
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Video
Galaxy J2 Core (2020)
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Features
Galaxy J2 Core (2020)
-
Galaxy Tab S12 Ultra
HDR
Loudspeaker
Galaxy J2 Core (2020)
Yes
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy J2 Core (2020)
Yes
Galaxy Tab S12 Ultra
No
WLAN
Galaxy J2 Core (2020)
Wi-Fi 802.11 b/g/n, 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 J2 Core (2020)
4.2, A2DP
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
Galaxy J2 Core (2020)
GPS, GLONASS, BDS
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy J2 Core (2020)
No
Galaxy Tab S12 Ultra
No
Radio
Galaxy J2 Core (2020)
FM radio
Galaxy Tab S12 Ultra
No
USB
Galaxy J2 Core (2020)
microUSB 2.0, OTG
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Sensors
Galaxy J2 Core (2020)
Accelerometer, proximity
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy J2 Core (2020)
-
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
Galaxy J2 Core (2020)
Li-Ion 2600 mAh, removable
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Charging
Galaxy J2 Core (2020)
-
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
Galaxy J2 Core (2020)
Black, Gold, Blue
Galaxy Tab S12 Ultra
Gray, Silver
Models
Galaxy J2 Core (2020)
SM-J260GU, SM-J260GU/DS, SM-J260FU, SM-J260MU
Galaxy Tab S12 Ultra
SM-X940, SM-X946
SAR
Galaxy J2 Core (2020)
0.99 W/kg (head)
Galaxy Tab S12 Ultra
-
Price
Galaxy J2 Core (2020)
About 130 EUR
Galaxy Tab S12 Ultra
About 1570 EUR
SAR EU
Galaxy J2 Core (2020)
-
Galaxy Tab S12 Ultra
0.47 W/kg (body)