Screen size
G3812B Galaxy S3 Slim4.5"
Galaxy Tab S12+Winner: 12.6"+64%
Quick verdict
Galaxy Tab S12+ leads the measured specs 19-2.
Measured wins
G3812B Galaxy S3 Slim
2
spec wins
Ties
2
equal specs
Galaxy Tab S12+
19
spec wins
Overall winner
Screen size
Technology
G3812B Galaxy S3 Slim
GSM / HSPA
Galaxy Tab S12+
GSM / HSPA / LTE / 5G
2G bands
G3812B Galaxy S3 Slim
GSM 850 / 900 / 1800 / 1900
Galaxy Tab S12+
GSM 850 / 900 / 1800 / 1900
3G bands
G3812B Galaxy S3 Slim
HSDPA 850 / 2100
Galaxy Tab S12+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
G3812B Galaxy S3 Slim
HSPA 21.1/5.76 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
equal specs3.5mm jack
SD card
equal specsStereo speakers
Galaxy Tab S12+
HSPA, LTE, 5G - cellular model only
4G bands
G3812B Galaxy S3 Slim
-
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
5G bands
G3812B Galaxy S3 Slim
-
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
G3812B Galaxy S3 Slim
2014, March. Released 2014, March
Galaxy Tab S12+
2026, September 30
Status
G3812B Galaxy S3 Slim
Discontinued
Galaxy Tab S12+
Available. Released 2026, October 07
Dimensions
G3812B Galaxy S3 Slim
133 x 66 x 9.7 mm (5.24 x 2.60 x 0.38 in)
Galaxy Tab S12+
289.5 x 187.8 x 5.3 mm (11.40 x 7.39 x 0.21 in)
Weight
G3812B Galaxy S3 Slim
139 g (4.90 oz)
Galaxy Tab S12+
553 g or 555 g (1.22 lb)
SIM
G3812B Galaxy S3 Slim
Micro-SIM
Galaxy Tab S12+
Nano-SIM + eSIM (cellular model only)
Build
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
Glass front, aluminum frame, aluminum back
Other
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
G3812B Galaxy S3 Slim
TFT
Galaxy Tab S12+
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
G3812B Galaxy S3 Slim
4.52 inches, 56.3 cm2 (~64.2% screen-to-body ratio)
Galaxy Tab S12+
12.6 inches, 460.6 cm2 (~84.7% screen-to-body ratio)
Resolution
G3812B Galaxy S3 Slim
540 x 960 pixels, 16:9 ratio (~244 ppi density)
Galaxy Tab S12+
1752 x 2800 pixels, 16:10 ratio (~262 ppi density)
OS
G3812B Galaxy S3 Slim
Android 4.2 (Jelly Bean), TouchWiz UI
Galaxy Tab S12+
Android 17, up to 7 major OS updates, One UI 9
CPU
G3812B Galaxy S3 Slim
Quad-core 1.2 GHz
Galaxy Tab S12+
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Chipset
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
MediaTek Dimensity 9500 (3 nm)
GPU
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
Mali-G1 Ultra MC12
Card slot
G3812B Galaxy S3 Slim
microSDHC (dedicated slot)
Galaxy Tab S12+
microSDXC (dedicated slot)
Internal
G3812B Galaxy S3 Slim
8GB 1GB RAM
Galaxy Tab S12+
256GB 12GB RAM, 512GB 12GB RAM
Other
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
UFS
Single
G3812B Galaxy S3 Slim
5 MP, AF
Galaxy Tab S12+
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF
Features
G3812B Galaxy S3 Slim
LED flash
Galaxy Tab S12+
LED flash, HDR, panorama
Video
G3812B Galaxy S3 Slim
Yes
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Single
G3812B Galaxy S3 Slim
VGA
Galaxy Tab S12+
12 MP, f/2.4, 120˚ (ultrawide)
Video
G3812B Galaxy S3 Slim
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Features
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
HDR
Loudspeaker
G3812B Galaxy S3 Slim
Yes
Galaxy Tab S12+
Yes, with stereo speakers (4 speakers)
3.5mm jack
G3812B Galaxy S3 Slim
Yes
Galaxy Tab S12+
No
WLAN
G3812B Galaxy S3 Slim
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Galaxy Tab S12+
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth
G3812B Galaxy S3 Slim
4.0, A2DP, EDR, aptX
Galaxy Tab S12+
6.0, A2DP, LE
Positioning
G3812B Galaxy S3 Slim
GPS, GLONASS
Galaxy Tab S12+
GPS, GLONASS, BDS, GALILEO
NFC
G3812B Galaxy S3 Slim
No
Galaxy Tab S12+
No
Radio
G3812B Galaxy S3 Slim
No
Galaxy Tab S12+
No
USB
G3812B Galaxy S3 Slim
microUSB 2.0
Galaxy Tab S12+
USB Type-C 3.2, magnetic connector
Sensors
G3812B Galaxy S3 Slim
Accelerometer, proximity, compass
Galaxy Tab S12+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
Wireless Samsung DeX (desktop experience support)
Type
G3812B Galaxy S3 Slim
Li-Ion 2100 mAh, removable
Galaxy Tab S12+
Li-Po 10600 mAh
Charging
G3812B Galaxy S3 Slim
-
Galaxy Tab S12+
45W wired, 100% in 95 min
Colors
G3812B Galaxy S3 Slim
Black, White
Galaxy Tab S12+
Gray, Silver
Models
G3812B Galaxy S3 Slim
SM-G3812B
Galaxy Tab S12+
SM-X840, SM-X846
SAR
G3812B Galaxy S3 Slim
0.61 W/kg (head) 1.13 W/kg (body)
Galaxy Tab S12+
-
SAR EU
G3812B Galaxy S3 Slim
0.55 W/kg (head) 0.40 W/kg (body)
Galaxy Tab S12+
0.77 W/kg (body)
Price
G3812B Galaxy S3 Slim
About 200 EUR
Galaxy Tab S12+
About 1330 EUR