Screen size
Ativ Tab P851010.1"
Galaxy Tab S12 UltraWinner: 14.6"+31%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 19-3.
Measured wins
Ativ Tab P8510
3
spec wins
Ties
1
equal specs
Galaxy Tab S12 Ultra
19
spec wins
Overall winner
Screen size
Technology
Ativ Tab P8510
No cellular connectivity
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Ativ Tab P8510
N/A
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
GPRS
Ativ Tab P8510
No
Galaxy Tab S12 Ultra
-
EDGE
Ativ Tab P8510
No
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
3.5mm jack
SD card
equal specsStereo speakers
Galaxy Tab S12 Ultra
-
3G bands
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
LTE
5G bands
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Speed
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Announced
Ativ Tab P8510
2012, October. Released 2012, November
Galaxy Tab S12 Ultra
2026, September 30
Status
Ativ Tab P8510
Discontinued
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
Ativ Tab P8510
265.8 x 168.1 x 8.9 mm (10.46 x 6.62 x 0.35 in)
Galaxy Tab S12 Ultra
326.3 x 208.5 x 5.1 mm (12.85 x 8.21 x 0.20 in)
Weight
Ativ Tab P8510
570 g (1.26 lb)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
SIM
Ativ Tab P8510
No
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Build
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
Other
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
Ativ Tab P8510
PLS LCD
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Ativ Tab P8510
10.1 inches, 281.1 cm2 (~62.9% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
Ativ Tab P8510
1366 x 768 pixels, 16:9 ratio (~155 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
OS
Ativ Tab P8510
Microsoft Windows RT
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
Ativ Tab P8510
Qualcomm APQ8090A
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
Ativ Tab P8510
Dual-core 1.5 GHz Krait
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Ativ Tab P8510
Adreno 305
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Card slot
Ativ Tab P8510
microSDXC (dedicated slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
Ativ Tab P8510
32GB 2GB RAM, 64GB 2GB RAM
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
UFS
Single
Ativ Tab P8510
5 MP, AF
Galaxy Tab S12 Ultra
-
Features
Ativ Tab P8510
LED flash
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Video
Ativ Tab P8510
720p@30fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Single
Ativ Tab P8510
1.9 MP
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Video
Ativ Tab P8510
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Features
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
HDR
Loudspeaker
Ativ Tab P8510
Yes
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
Ativ Tab P8510
Yes
Galaxy Tab S12 Ultra
No
WLAN
Ativ Tab P8510
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, dual-band
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Ativ Tab P8510
4.0, A2DP
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
Ativ Tab P8510
GPS, S-GPS, GLONASS
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
NFC
Ativ Tab P8510
Yes
Galaxy Tab S12 Ultra
No
Radio
Ativ Tab P8510
No
Galaxy Tab S12 Ultra
No
USB
Ativ Tab P8510
2.0, OTG
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Sensors
Ativ Tab P8510
Accelerometer, gyro, grip
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Ativ Tab P8510
HDMI port MP4/DivX/Xvid/H.264 player MP3/WAV/eAAC+ player Photo viewer/editor Document editor/viewer
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
Ativ Tab P8510
Li-Ion 8200 mAh, non-removable
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Talk time
Ativ Tab P8510
Up to 12 h (multimedia)
Galaxy Tab S12 Ultra
-
Charging
Ativ Tab P8510
-
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
Ativ Tab P8510
Black
Galaxy Tab S12 Ultra
Gray, Silver
Models
Ativ Tab P8510
GT-P8510
Galaxy Tab S12 Ultra
SM-X940, SM-X946
SAR
Ativ Tab P8510
1.07 W/kg (body)
Galaxy Tab S12 Ultra
-
SAR EU
Ativ Tab P8510
0.16 W/kg (body)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
Ativ Tab P8510
About 440 EUR
Galaxy Tab S12 Ultra
About 1570 EUR