Screen size
A39005.0"
Tab OneWinner: 8.7"+43%
Quick verdict
Tab One leads the measured specs 12-2.
Measured wins
A3900
2
spec wins
Ties
6
equal specs
Tab One
12
spec wins
Overall winner
Screen size
Technology
A3900
GSM / HSPA / LTE
Tab One
GSM / HSPA / LTE
2G bands
A3900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Tab One
GSM 850 / 900 / 1800 / 1900 - cellular model only
3G bands
A3900
HSDPA 900 / 2100
Tab One
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - cellular model only
4G bands
A3900
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Tab One
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66 - cellular model only
Speed
A3900
HSPA, LTE Cat4 150/50 Mbps
Tab One
HSPA, LTE - cellular model only
Announced
A3900
2015, May. Released 2015, August
Tab One
2025, March
Status
A3900
Discontinued
Tab One
Available. Released 2025, March
Dimensions
A3900
142.8 x 71.8 x 9 mm (5.62 x 2.83 x 0.35 in)
Tab One
211 x 124.8 x 8.5 mm (8.31 x 4.91 x 0.33 in)
Weight
A3900
157 g (5.54 oz)
Tab One
320 g (11.29 oz)
SIM
A3900
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
Tab One
Nano-SIM (cellular model only)
Build
A3900
-
Tab One
Glass front, plastic frame, plastic back
Type
A3900
IPS LCD
Tab One
TFT LCD, 480 nits (typ)
Size
A3900
5.0 inches, 68.9 cm2 (~67.2% screen-to-body ratio)
Tab One
8.7 inches, 214.9 cm2 (~81.6% screen-to-body ratio)
Resolution
A3900
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Tab One
800 x 1340 pixels, 5:3 ratio (~179 ppi density)
Protection
A3900
-
Tab One
Mohs level 4
OS
A3900
Android 4.4.2 (KitKat)
Tab One
Android 14
Chipset
A3900
Mediatek MT6752 (28 nm)
Tab One
Mediatek Helio G85 (12 nm)
CPU
A3900
Octa-core 1.2 GHz Cortex-A53
Tab One
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
A3900
Mali-T760MP2
Tab One
Mali-G52 MC2
Card slot
A3900
microSDHC (dedicated slot)
Tab One
microSDXC (dedicated slot)
Internal
A3900
4GB 512MB RAM
Tab One
64GB 4GB RAM, 128GB 4GB RAM
Other
A3900
-
Tab One
eMMC 5.1
Single
A3900
5 MP, AF
Tab One
8 MP, AF
Features
A3900
LED flash
Tab One
-
Video
A3900
Yes
Tab One
1080p
Single
A3900
2 MP
Tab One
2 MP
Video
A3900
Tab One
720p
Loudspeaker
A3900
Yes
Tab One
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
A3900
Yes
Tab One
Yes
WLAN
A3900
Wi-Fi 802.11 b/g/n
Tab One
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
A3900
4.0, A2DP
Tab One
5.3, A2DP, LE
Positioning
A3900
GPS
Tab One
GPS, GLONASS, GALILEO, BDS - cellular model only
NFC
A3900
No
Tab One
No
Radio
A3900
No
Tab One
FM radio
USB
A3900
microUSB 2.0, OTG
Tab One
USB Type-C 2.0
Sensors
A3900
Accelerometer, proximity
Tab One
Accelerometer, proximity (accessories only)
Other
A3900
-
Tab One
Virtual proximity sensing
Type
A3900
Li-Po 2300 mAh, removable
Tab One
Li-Ion 5100 mAh
Charging
A3900
-
Tab One
20W wired
Colors
A3900
Black, Pearl White, Silver
Tab One
Luna grey, Seafoam green
Price
A3900
About 70 EUR
Tab One
About 90 EUR
Models
A3900
-
Tab One
TB305FU