Screen size
Galaxy A3 (2017)4.7"
Galaxy Tab S12+Winner: 12.6"+63%
Quick verdict
Galaxy Tab S12+ leads the measured specs 16-4.
Measured wins
Galaxy A3 (2017)
4
spec wins
Ties
3
equal specs
Galaxy Tab S12+
16
spec wins
Overall winner
Screen size
Technology
Galaxy A3 (2017)
GSM / HSPA / LTE
Galaxy Tab S12+
GSM / HSPA / LTE / 5G
2G bands
Galaxy A3 (2017)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
Galaxy Tab S12+
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A3 (2017)
HSDPA 850 / 900 / 1900 / 2100
Galaxy Tab S12+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy A3 (2017)
1, 2, 3, 5, 7, 8, 20, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
SD card
equal specsStereo speakers
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
Speed
Galaxy A3 (2017)
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Galaxy Tab S12+
HSPA, LTE, 5G - cellular model only
5G bands
Galaxy A3 (2017)
-
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 A3 (2017)
2017, January. Released 2017, January
Galaxy Tab S12+
2026, September 30
Status
Galaxy A3 (2017)
Discontinued
Galaxy Tab S12+
Available. Released 2026, October 07
Dimensions
Galaxy A3 (2017)
135.4 x 66.2 x 7.9 mm (5.33 x 2.61 x 0.31 in)
Galaxy Tab S12+
289.5 x 187.8 x 5.3 mm (11.40 x 7.39 x 0.21 in)
Weight
Galaxy A3 (2017)
138 g (4.87 oz)
Galaxy Tab S12+
553 g or 555 g (1.22 lb)
Build
Galaxy A3 (2017)
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame
Galaxy Tab S12+
Glass front, aluminum frame, aluminum back
SIM
Galaxy A3 (2017)
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy Tab S12+
Nano-SIM + eSIM (cellular model only)
Other
Galaxy A3 (2017)
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy Tab S12+
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
Galaxy A3 (2017)
Super AMOLED
Galaxy Tab S12+
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy A3 (2017)
4.7 inches, 60.9 cm2 (~67.9% screen-to-body ratio)
Galaxy Tab S12+
12.6 inches, 460.6 cm2 (~84.7% screen-to-body ratio)
Resolution
Galaxy A3 (2017)
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Galaxy Tab S12+
1752 x 2800 pixels, 16:10 ratio (~262 ppi density)
Protection
Galaxy A3 (2017)
Corning Gorilla Glass 4
Galaxy Tab S12+
-
OS
Galaxy A3 (2017)
Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo)
Galaxy Tab S12+
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy A3 (2017)
Exynos 7870 Octa (14 nm)
Galaxy Tab S12+
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy A3 (2017)
Octa-core 1.6 GHz Cortex-A53
Galaxy Tab S12+
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Galaxy A3 (2017)
Mali-T830 MP1
Galaxy Tab S12+
Mali-G1 Ultra MC12
Card slot
Galaxy A3 (2017)
microSDXC (uses shared SIM slot) - dual SIM model only
Galaxy Tab S12+
microSDXC (dedicated slot)
Internal
Galaxy A3 (2017)
16GB 2GB RAM
Galaxy Tab S12+
256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A3 (2017)
eMMC 5.1
Galaxy Tab S12+
UFS
Single
Galaxy A3 (2017)
13 MP, f/1.9, 27mm (wide), AF
Galaxy Tab S12+
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF
Features
Galaxy A3 (2017)
LED flash, panorama
Galaxy Tab S12+
LED flash, HDR, panorama
Video
Galaxy A3 (2017)
1080p@30fps
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Single
Galaxy A3 (2017)
8 MP, f/1.9, 24mm (wide)
Galaxy Tab S12+
12 MP, f/2.4, 120˚ (ultrawide)
Video
Galaxy A3 (2017)
1080p@30fps
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Features
Galaxy A3 (2017)
-
Galaxy Tab S12+
HDR
Loudspeaker
Galaxy A3 (2017)
Yes
Galaxy Tab S12+
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy A3 (2017)
Yes
Galaxy Tab S12+
No
WLAN
Galaxy A3 (2017)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy Tab S12+
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth
Galaxy A3 (2017)
4.2, A2DP, LE
Galaxy Tab S12+
6.0, A2DP, LE
Positioning
Galaxy A3 (2017)
GPS, GLONASS
Galaxy Tab S12+
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy A3 (2017)
Yes
Galaxy Tab S12+
No
Radio
Galaxy A3 (2017)
FM radio
Galaxy Tab S12+
No
USB
Galaxy A3 (2017)
USB Type-C 2.0
Galaxy Tab S12+
USB Type-C 3.2, magnetic connector
Sensors
Galaxy A3 (2017)
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Galaxy Tab S12+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy A3 (2017)
ANT+ Samsung Pay
Galaxy Tab S12+
Wireless Samsung DeX (desktop experience support)
Type
Galaxy A3 (2017)
Li-Ion 2350 mAh, non-removable
Galaxy Tab S12+
Li-Po 10600 mAh
Talk time
Galaxy A3 (2017)
Up to 17 h (3G)
Galaxy Tab S12+
-
Music play
Galaxy A3 (2017)
Up to 55 h
Galaxy Tab S12+
-
Charging
Galaxy A3 (2017)
-
Galaxy Tab S12+
45W wired, 100% in 95 min
Colors
Galaxy A3 (2017)
Black Sky, Gold Sand, Blue Mist, Peach Cloud
Galaxy Tab S12+
Gray, Silver
Models
Galaxy A3 (2017)
SM-A320F, SM-A320Y, SM-A320FL
Galaxy Tab S12+
SM-X840, SM-X846
SAR EU
Galaxy A3 (2017)
0.35 W/kg (head) 1.38 W/kg (body)
Galaxy Tab S12+
0.77 W/kg (body)
Price
Galaxy A3 (2017)
About 220 EUR
Galaxy Tab S12+
About 1330 EUR