Screen size
Galaxy J3 (2017)5.0"
Galaxy Tab S12 UltraWinner: 14.6"+66%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 17-4.
Measured wins
Galaxy J3 (2017)
4
spec wins
Ties
2
equal specs
Galaxy Tab S12 Ultra
17
spec wins
Overall winner
Screen size
Technology
Galaxy J3 (2017)
GSM / HSPA / LTE
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Galaxy J3 (2017)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy J3 (2017)
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy J3 (2017)
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
SD card
equal specsStereo speakers
1, 2, 3, 4, 5, 7, 8, 17, 38, 40
Galaxy Tab S12 Ultra
LTE
Speed
Galaxy J3 (2017)
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
5G bands
Galaxy J3 (2017)
-
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Announced
Galaxy J3 (2017)
2017, June. Released 2017, July
Galaxy Tab S12 Ultra
2026, September 30
Status
Galaxy J3 (2017)
Discontinued
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
Galaxy J3 (2017)
143.2 x 70.3 x 8.2 mm (5.64 x 2.77 x 0.32 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 J3 (2017)
142 g (5.01 oz)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Build
Galaxy J3 (2017)
Glass front, aluminum back, aluminum frame
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
SIM
Galaxy J3 (2017)
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Other
Galaxy J3 (2017)
-
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 J3 (2017)
PLS
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy J3 (2017)
5.0 inches, 68.9 cm2 (~68.5% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
Galaxy J3 (2017)
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
OS
Galaxy J3 (2017)
Android 7.0 (Nougat), 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy J3 (2017)
Exynos 7570 Quad (14 nm)
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy J3 (2017)
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 J3 (2017)
Mali-T720 MP2
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Card slot
Galaxy J3 (2017)
microSDXC (dedicated slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
Galaxy J3 (2017)
16GB 2GB RAM
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
Galaxy J3 (2017)
eMMC 5.0
Galaxy Tab S12 Ultra
UFS
Single
Galaxy J3 (2017)
13 MP, f/1.9, AF
Galaxy Tab S12 Ultra
-
Features
Galaxy J3 (2017)
LED flash, HDR, panorama
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Video
Galaxy J3 (2017)
1080p@30fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
Galaxy J3 (2017)
-
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 J3 (2017)
5 MP, f/2.2
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Features
Galaxy J3 (2017)
LED flash
Galaxy Tab S12 Ultra
HDR
Video
Galaxy J3 (2017)
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Loudspeaker
Galaxy J3 (2017)
Yes
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy J3 (2017)
Yes
Galaxy Tab S12 Ultra
No
WLAN
Galaxy J3 (2017)
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 J3 (2017)
4.2, A2DP, LE
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
Galaxy J3 (2017)
GPS, GLONASS, BDS
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy J3 (2017)
Yes (optional)
Galaxy Tab S12 Ultra
No
Radio
Galaxy J3 (2017)
FM radio
Galaxy Tab S12 Ultra
No
USB
Galaxy J3 (2017)
microUSB 2.0, OTG
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Sensors
Galaxy J3 (2017)
Accelerometer, proximity
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy J3 (2017)
-
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
Galaxy J3 (2017)
Li-Ion 2400 mAh, non-removable
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Talk time
Galaxy J3 (2017)
Up to 15 h (3G)
Galaxy Tab S12 Ultra
-
Music play
Galaxy J3 (2017)
Up to 61 h
Galaxy Tab S12 Ultra
-
Charging
Galaxy J3 (2017)
-
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
Galaxy J3 (2017)
White, Black, Gold, Blue
Galaxy Tab S12 Ultra
Gray, Silver
Models
Galaxy J3 (2017)
SM-J330F, J330F, J330G, SM-J330G, SM-J330FN, SM-J3308, SM-J327F, SM-S337TL, SM-J3300, SM-J330L, SM-J327U, SM-J330N
Galaxy Tab S12 Ultra
SM-X940, SM-X946
SAR EU
Galaxy J3 (2017)
0.66 W/kg (head) 1.32 W/kg (body)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
Galaxy J3 (2017)
About 110 EUR
Galaxy Tab S12 Ultra
About 1570 EUR