Screen size
A8204.5"
Tab OneWinner: 8.7"+48%
Quick verdict
Tab One leads the measured specs 12-2.
Measured wins
A820
2
spec wins
Ties
6
equal specs
Tab One
12
spec wins
Overall winner
Screen size
Technology
A820
GSM / HSPA
Tab One
GSM / HSPA / LTE
2G bands
A820
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Tab One
GSM 850 / 900 / 1800 / 1900 - cellular model only
3G bands
A820
HSDPA 900 / 2100
Tab One
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - cellular model only
Speed
A820
HSPA
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Tab One
HSPA, LTE - cellular model only
4G bands
A820
-
Tab One
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66 - cellular model only
Announced
A820
2013. Released 2013
Tab One
2025, March
Status
A820
Discontinued
Tab One
Available. Released 2025, March
Dimensions
A820
135 x 68.2 x 9.9 mm (5.31 x 2.69 x 0.39 in)
Tab One
211 x 124.8 x 8.5 mm (8.31 x 4.91 x 0.33 in)
Weight
A820
151 g (5.33 oz)
Tab One
320 g (11.29 oz)
SIM
A820
Dual SIM (Mini-SIM, dual stand-by)
Tab One
Nano-SIM (cellular model only)
Build
A820
-
Tab One
Glass front, plastic frame, plastic back
Type
A820
IPS LCD
Tab One
TFT LCD, 480 nits (typ)
Size
A820
4.5 inches, 55.8 cm2 (~60.6% screen-to-body ratio)
Tab One
8.7 inches, 214.9 cm2 (~81.6% screen-to-body ratio)
Resolution
A820
540 x 960 pixels, 16:9 ratio (~245 ppi density)
Tab One
800 x 1340 pixels, 5:3 ratio (~179 ppi density)
Protection
A820
-
Tab One
Mohs level 4
OS
A820
Android 4.1.2 (Jelly Bean)
Tab One
Android 14
Chipset
A820
Mediatek MT6589 (28 nm)
Tab One
Mediatek Helio G85 (12 nm)
CPU
A820
Quad-core 1.2 GHz Cortex-A7
Tab One
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
A820
PowerVR SGX544
Tab One
Mali-G52 MC2
Card slot
A820
microSDHC (dedicated slot)
Tab One
microSDXC (dedicated slot)
Internal
A820
4GB 1GB RAM
Tab One
64GB 4GB RAM, 128GB 4GB RAM
Other
A820
-
Tab One
eMMC 5.1
Single
A820
8 MP, AF
Tab One
8 MP, AF
Video
A820
720p
Tab One
1080p
Other
A820
No
Tab One
-
Single
A820
-
Tab One
2 MP
Video
A820
-
Tab One
720p
Loudspeaker
A820
Yes
Tab One
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
A820
Yes
Tab One
Yes
WLAN
A820
Wi-Fi 802.11 b/g/n, hotspot
Tab One
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
A820
Yes
Tab One
5.3, A2DP, LE
Positioning
A820
GPS
Tab One
GPS, GLONASS, GALILEO, BDS - cellular model only
NFC
A820
No
Tab One
No
Radio
A820
FM radio
Tab One
FM radio
USB
A820
microUSB 2.0
Tab One
USB Type-C 2.0
Sensors
A820
Accelerometer, proximity
Tab One
Accelerometer, proximity (accessories only)
Other
A820
-
Tab One
Virtual proximity sensing
Type
A820
Li-Ion 2000 mAh, removable
Tab One
Li-Ion 5100 mAh
Charging
A820
-
Tab One
20W wired
Colors
A820
Black
Tab One
Luna grey, Seafoam green
SAR EU
A820
0.37 W/kg (head)
Tab One
-
Price
A820
About 110 EUR
Tab One
About 90 EUR
Models
A820
-
Tab One
TB305FU