Screen size
S516.0"
Tab A9+Winner: 11.0"+45%
Quick verdict
S51 and Tab A9+ are close on the measured specs.
Measured wins
S51
7
spec wins
Ties
7
equal specs
Tab A9+
7
spec wins
Screen size
Technology
S51
GSM / CDMA / HSPA / LTE
Tab A9+
No cellular connectivity
2G bands
S51
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Tab A9+
N/A
3G bands
S51
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Tab A9+
N/A
4G bands
S51
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Tab A9+
N/A
Speed
S51
HSPA, LTE
Tab A9+
-
GPRS
S51
-
Tab A9+
No
EDGE
S51
-
Tab A9+
No
Announced
S51
2022, September
Tab A9+
2025, May
Status
S51
Available. Released 2022, September
Tab A9+
Available. Released 2025, May
Dimensions
S51
167.4 x 81.4 x 14.6 mm (6.59 x 3.20 x 0.57 in)
Tab A9+
257.3 x 168.8 x 8.1 mm (10.13 x 6.65 x 0.32 in)
Weight
S51
-
Tab A9+
644 g (1.42 lb)
SIM
S51
Nano-SIM + Nano-SIM
Tab A9+
No
Other
S51
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810G compliant
Tab A9+
-
Type
S51
IPS LCD
Tab A9+
IPS LCD, 90Hz
Size
S51
6.0 inches, 92.9 cm2 (~68.2% screen-to-body ratio)
Tab A9+
11.0 inches, 350.9 cm2 (~80.8% screen-to-body ratio)
Resolution
S51
720 x 1440 pixels, 18:9 ratio (~268 ppi density)
Tab A9+
800 x 1280 pixels, 16:10 ratio (~137 ppi density)
Protection
S51
Corning Gorilla Glass
Tab A9+
Mohs level 5
OS
S51
Android 12
Tab A9+
Android 15
Chipset
S51
Mediatek Helio G25 (12 nm)
Tab A9+
Unisoc T7200 (12 nm)
CPU
S51
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
Tab A9+
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
S51
PowerVR GE8320
Tab A9+
Mali-G57 MP1
Card slot
S51
microSDXC (dedicated slot)
Tab A9+
microSDXC (dedicated slot)
Internal
S51
64GB 4GB RAM
Tab A9+
64GB 4GB RAM
Other
S51
-
Tab A9+
eMMC 5.1
Dual
S51
12 MP, f/1.8, (wide), PDAF Auxiliary lens
Tab A9+
-
Features
S51
Quad-LED flash
Tab A9+
LED flash
Video
S51
1080p
Tab A9+
1080p@30fps
Single
S51
-
Tab A9+
13 MP
Single
S51
8 MP, f/2.0, (wide)
Tab A9+
5 MP
Video
S51
1080p
Tab A9+
Yes
Loudspeaker
S51
Yes
Tab A9+
Yes, with stereo speakers
3.5mm jack
S51
Yes
Tab A9+
Yes
WLAN
S51
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Tab A9+
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
S51
5.0, A2DP, LE
Tab A9+
5.0, A2DP, LE
Positioning
S51
GPS, GLONASS, GALILEO, BDS
Tab A9+
No
NFC
S51
Yes
Tab A9+
No
Radio
S51
FM radio
Tab A9+
No
USB
S51
USB Type-C 2.0, OTG
Tab A9+
USB Type-C
Sensors
S51
Accelerometer, proximity, compass
Tab A9+
Accelerometer
Type
S51
5180 mAh
Tab A9+
8580 mAh
Charging
S51
10W wired
Tab A9+
10W wired
Colors
S51
Black, Green, Orange
Tab A9+
Black, Gray, Blue
Price
S51
-
Tab A9+
About 140 EUR