Screen size
Tab 2 A7-207.0"
Tab OneWinner: 8.7"+20%
Quick verdict
Tab One leads the measured specs 14-1.
Measured wins
Tab 2 A7-20
1
spec wins
Ties
5
equal specs
Tab One
14
spec wins
Overall winner
Screen size
Technology
Tab 2 A7-20
No cellular connectivity
Tab One
GSM / HSPA / LTE
2G bands
Tab 2 A7-20
N/A
Tab One
GSM 850 / 900 / 1800 / 1900 - cellular model only
GPRS
Tab 2 A7-20
No
Tab One
-
EDGE
Tab 2 A7-20
No
Tab One
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
Tab 2 A7-20
-
Tab One
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - cellular model only
4G bands
Tab 2 A7-20
-
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
Tab 2 A7-20
-
Tab One
HSPA, LTE - cellular model only
Announced
Tab 2 A7-20
2015, January. Released 2015, January
Tab One
2025, March
Status
Tab 2 A7-20
Discontinued
Tab One
Available. Released 2025, March
Dimensions
Tab 2 A7-20
189 x 105 x 9.3 mm (7.44 x 4.13 x 0.37 in)
Tab One
211 x 124.8 x 8.5 mm (8.31 x 4.91 x 0.33 in)
Weight
Tab 2 A7-20
269 g (9.49 oz)
Tab One
320 g (11.29 oz)
SIM
Tab 2 A7-20
No
Tab One
Nano-SIM (cellular model only)
Build
Tab 2 A7-20
-
Tab One
Glass front, plastic frame, plastic back
Type
Tab 2 A7-20
IPS LCD
Tab One
TFT LCD, 480 nits (typ)
Size
Tab 2 A7-20
7.0 inches, 137.9 cm2 (~69.5% screen-to-body ratio)
Tab One
8.7 inches, 214.9 cm2 (~81.6% screen-to-body ratio)
Resolution
Tab 2 A7-20
600 x 1024 pixels, 16:9 ratio (~170 ppi density)
Tab One
800 x 1340 pixels, 5:3 ratio (~179 ppi density)
Protection
Tab 2 A7-20
-
Tab One
Mohs level 4
OS
Tab 2 A7-20
Android 4.4 (KitKat), upgradable to 5.0 (Lollipop)
Tab One
Android 14
Chipset
Tab 2 A7-20
Mediatek MT8127 (28 nm)
Tab One
Mediatek Helio G85 (12 nm)
CPU
Tab 2 A7-20
Quad-core 1.3 GHz Cortex-A7
Tab One
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Tab 2 A7-20
Mali-450MP4
Tab One
Mali-G52 MC2
Card slot
Tab 2 A7-20
microSDHC (dedicated slot)
Tab One
microSDXC (dedicated slot)
Internal
Tab 2 A7-20
8GB 1GB RAM, 16GB 1GB RAM
Tab One
64GB 4GB RAM, 128GB 4GB RAM
Other
Tab 2 A7-20
-
Tab One
eMMC 5.1
Single
Tab 2 A7-20
2 MP
Tab One
8 MP, AF
Video
Tab 2 A7-20
Yes
Tab One
1080p
Single
Tab 2 A7-20
VGA
Tab One
2 MP
Video
Tab 2 A7-20
Tab One
720p
Loudspeaker
Tab 2 A7-20
Yes
Tab One
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Tab 2 A7-20
Yes
Tab One
Yes
WLAN
Tab 2 A7-20
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
Tab 2 A7-20
4.0, A2DP
Tab One
5.3, A2DP, LE
Positioning
Tab 2 A7-20
GPS
Tab One
GPS, GLONASS, GALILEO, BDS - cellular model only
NFC
Tab 2 A7-20
No
Tab One
No
Radio
Tab 2 A7-20
No
Tab One
FM radio
USB
Tab 2 A7-20
microUSB 2.0
Tab One
USB Type-C 2.0
Sensors
Tab 2 A7-20
Accelerometer
Tab One
Accelerometer, proximity (accessories only)
Other
Tab 2 A7-20
-
Tab One
Virtual proximity sensing
Type
Tab 2 A7-20
Li-Ion 3450 mAh, non-removable
Tab One
Li-Ion 5100 mAh
Stand-by
Tab 2 A7-20
Up to 432 h
Tab One
-
Talk time
Tab 2 A7-20
Up to 8 h (multimedia)
Tab One
-
Charging
Tab 2 A7-20
-
Tab One
20W wired
Colors
Tab 2 A7-20
Black
Tab One
Luna grey, Seafoam green
Price
Tab 2 A7-20
About 100 EUR
Tab One
About 90 EUR
Models
Tab 2 A7-20
-
Tab One
TB305FU