Screen size
Galaxy S20 Ultra 5G6.9"
Galaxy Tab S12 UltraWinner: 14.6"+53%
Quick verdict
Galaxy Tab S12 Ultra leads the measured specs 9-5.
Measured wins
Galaxy S20 Ultra 5G
5
spec wins
Ties
9
equal specs
Galaxy Tab S12 Ultra
9
spec wins
Overall winner
Screen size
Technology
Galaxy S20 Ultra 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G
Galaxy Tab S12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Galaxy S20 Ultra 5G
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
Galaxy Tab S12 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy S20 Ultra 5G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Galaxy Tab S12 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy S20 Ultra 5G
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specs1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G988B, 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G988U
Galaxy Tab S12 Ultra
LTE
5G bands
Galaxy S20 Ultra 5G
1, 3, 5, 7, 8, 28, 40, 77, 78 SA/NSA/Sub6 - SM-G988B, 2, 5, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G988U
Galaxy Tab S12 Ultra
SA/NSA/Sub6
Speed
Galaxy S20 Ultra 5G
HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
Galaxy Tab S12 Ultra
HSPA, LTE, 5G - cellular model only
Announced
Galaxy S20 Ultra 5G
2020, February 11
Galaxy Tab S12 Ultra
2026, September 30
Status
Galaxy S20 Ultra 5G
Available. Released 2020, March 06
Galaxy Tab S12 Ultra
Released Oct 7, 2026
Dimensions
Galaxy S20 Ultra 5G
166.9 x 76 x 8.8 mm (6.57 x 2.99 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
Galaxy S20 Ultra 5G
222 g (7.83 oz)
Galaxy Tab S12 Ultra
692 g or 695 g (1.53 lb)
Build
Galaxy S20 Ultra 5G
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
Galaxy Tab S12 Ultra
Glass front, aluminum frame, aluminum back
SIM
Galaxy S20 Ultra 5G
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Galaxy Tab S12 Ultra
Nano-SIM + eSIM (cellular model only)
Other
Galaxy S20 Ultra 5G
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy Tab S12 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
Galaxy S20 Ultra 5G
Dynamic AMOLED 2X, 120Hz, HDR10+, 1400 nits (peak)
Galaxy Tab S12 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy S20 Ultra 5G
6.9 inches, 114.0 cm2 (~89.9% screen-to-body ratio)
Galaxy Tab S12 Ultra
14.6 inches, 617.8 cm2 (~90.8% screen-to-body ratio)
Resolution
Galaxy S20 Ultra 5G
1440 x 3200 pixels, 20:9 ratio (~511 ppi density)
Galaxy Tab S12 Ultra
1848 x 2960 pixels, 16:10 ratio (~239 ppi density)
Protection
Galaxy S20 Ultra 5G
Corning Gorilla Glass 6
Galaxy Tab S12 Ultra
-
Other
Galaxy S20 Ultra 5G
120Hz@FHD/60Hz@QHD refresh rate
Galaxy Tab S12 Ultra
-
OS
Galaxy S20 Ultra 5G
Android 10, upgradable to Android 13, One UI 5.1
Galaxy Tab S12 Ultra
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy S20 Ultra 5G
Exynos 990 (7 nm+) - GlobalQualcomm SM8250 Snapdragon 865 5G (7 nm+) - USA
Galaxy Tab S12 Ultra
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy S20 Ultra 5G
Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - GlobalOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) - USA
Galaxy Tab S12 Ultra
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Galaxy S20 Ultra 5G
Mali-G77 MP11 - GlobalAdreno 650 - USA
Galaxy Tab S12 Ultra
Mali-G1 Ultra MC12
Card slot
Galaxy S20 Ultra 5G
microSDXC (uses shared SIM slot)
Galaxy Tab S12 Ultra
microSDXC (dedicated slot)
Internal
Galaxy S20 Ultra 5G
128GB 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM
Galaxy Tab S12 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
Other
Galaxy S20 Ultra 5G
UFS 3.0
Galaxy Tab S12 Ultra
UFS
Triple
Galaxy S20 Ultra 5G
108 MP, f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, OIS 48 MP, f/3.5, 103mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 4x optical zoom, 10x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video 0.3 MP, TOF 3D, f/1.0, (depth)
Galaxy Tab S12 Ultra
-
Features
Galaxy S20 Ultra 5G
LED flash, auto-HDR, panorama
Galaxy Tab S12 Ultra
LED flash, HDR, panorama
Video
Galaxy S20 Ultra 5G
8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Dual
Galaxy S20 Ultra 5G
-
Galaxy Tab S12 Ultra
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF 8 MP, f/2.2, (ultrawide)
Single
Galaxy S20 Ultra 5G
40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Galaxy Tab S12 Ultra
12 MP, f/2.4, 120˚ (ultrawide)
Features
Galaxy S20 Ultra 5G
HDR
Galaxy Tab S12 Ultra
HDR
Video
Galaxy S20 Ultra 5G
4K@30/60fps, 1080p@30fps
Galaxy Tab S12 Ultra
4K@30fps, 1080p@30fps
Loudspeaker
Galaxy S20 Ultra 5G
Yes, with stereo speakers
Galaxy Tab S12 Ultra
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy S20 Ultra 5G
No
Galaxy Tab S12 Ultra
No
Other
Galaxy S20 Ultra 5G
High-bitrate audio support Tuned by AKG
Galaxy Tab S12 Ultra
-
WLAN
Galaxy S20 Ultra 5G
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Galaxy Tab S12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy S20 Ultra 5G
5.0, A2DP, LE
Galaxy Tab S12 Ultra
6.0, A2DP, LE
Positioning
Galaxy S20 Ultra 5G
GPS, GLONASS, BDS, GALILEO
Galaxy Tab S12 Ultra
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy S20 Ultra 5G
Yes
Galaxy Tab S12 Ultra
No
Radio
Galaxy S20 Ultra 5G
FM radio (Snapdragon model only; market/operator dependent)
Galaxy Tab S12 Ultra
No
USB
Galaxy S20 Ultra 5G
USB Type-C 3.2, OTG
Galaxy Tab S12 Ultra
USB Type-C 3.2, magnetic connector
Sensors
Galaxy S20 Ultra 5G
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Galaxy Tab S12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy S20 Ultra 5G
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+
Galaxy Tab S12 Ultra
Wireless Samsung DeX (desktop experience support)
Type
Galaxy S20 Ultra 5G
Li-Ion 5000 mAh
Galaxy Tab S12 Ultra
Li-Po 11600 mAh
Charging
Galaxy S20 Ultra 5G
45W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
Galaxy Tab S12 Ultra
45W wired, 100% in 95 min
Colors
Galaxy S20 Ultra 5G
Cosmic Grey, Cosmic Black, Cloud White
Galaxy Tab S12 Ultra
Gray, Silver
Models
Galaxy S20 Ultra 5G
SM-G988, SM-G988U, SM-G988U1, SM-G9880, SM-G988B/DS, SM-G988N, SM-G988B, SM-G988W, SCG03
Galaxy Tab S12 Ultra
SM-X940, SM-X946
SAR
Galaxy S20 Ultra 5G
0.94 W/kg (head) 0.95 W/kg (body)
Galaxy Tab S12 Ultra
-
SAR EU
Galaxy S20 Ultra 5G
0.32 W/kg (head) 1.56 W/kg (body)
Galaxy Tab S12 Ultra
0.47 W/kg (body)
Price
Galaxy S20 Ultra 5G
$ 214.00 / £ 189.00 / € 239.00
Galaxy Tab S12 Ultra
About 1570 EUR