Samsung · Phone profile

Samsung Galaxy S23 Ultra

Reported SAR values from FCC filings, how they compare, and the full specifications.

Display6.8 inches

ChipsetQualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)

FCC IDA3LSMS918B

Compare this phone Phone-vs-phone pages SAR Kids view

FCC ID A3LSMS918B · released 2022-11-28.

SAR overview

Reported US test values · W/kg averaged over 1 g of tissue · FCC limit 1.6 W/kg

Head SAR · cellular only0.98 W/kg61% of the US 1.6 W/kg limit

Body SAR · cellular only1.10 W/kg69% of the US 1.6 W/kg limit

Hotspot SAR · cellular only1.20 W/kg75% of the US 1.6 W/kg limit

Head SAR · simultaneous1.59 W/kg99% of the US 1.6 W/kg limit

Body SAR · simultaneous1.59 W/kg99% of the US 1.6 W/kg limit

Hotspot SAR · simultaneous1.54 W/kg96% of the US 1.6 W/kg limit

0–0.400.41–0.800.81–1.201.21+ W/kg

Colors show reported SAR ranges, not a safety verdict. A lower listed maximum does not guarantee lower everyday exposure. How to read these numbers.

EU values and source

Head (EU, 10 g, 2 W/kg limit)	n/a
Body (EU, 10 g)	n/a
FCC ID	A3LSMS918B
Source	RF Safe original phone profile

SAR comparison chart

Samsung Galaxy S23 Ultra SAR chart: cellular-only versus simultaneous Wi-Fi and cellular test values — RF Safe source chart. Open it for the full-size version.

Head and body views

Samsung Galaxy S23 Ultra head SAR visual — Head SAR view, as illustrated by RF Safe.

Samsung Galaxy S23 Ultra body SAR visual — Body SAR view, as illustrated by RF Safe.

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Full specifications

General

Phone	Samsung Galaxy S23 Ultra
Technology	GSM / CDMA / HSPA / EVDO / LTE / 5G
Announced	February 1, 2023
Status	Available
Model Names	SM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS

Display

Type	Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Size	6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Resolution	1440 x 3088 pixels (~500 ppi density)
Protection	Corning Gorilla Glass Victus 2
Features	Always-on display
Display Test	Contrast ratio: Infinite (nominal)

Camera

Main Camera	Quad Camera: 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6m, multi-directional PDAF, Laser AF, OIS 10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12m, Dual Pixel PDAF, OIS, 10x optical zoom 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12m, Dual Pixel PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120 (ultrawide), 1/2.55", 1.4m, Dual Pixel PDAF, Super Steady video
Main Features	LED flash, auto-HDR, panorama
Video	8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS
Selfie Camera	Single Camera: 12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF
Selfie Camera Features	Dual video call, Auto-HDR, HDR10+
Selfie Camera Video	4K@30/60fps, 1080p@30fps

Battery

Type	Li-Ion 5000 mAh, non-removable
Battery Test	Endurance rating 126h
Charging	45W wired, PD3.0, 65% in 30 min (advertised) 15W wireless (Qi/PMA) 4.5W reverse wireless

Hardware

Operating System	Android 13, One UI 5.1
Chipset	Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
CPU	Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU	Adreno 740
Performance	AnTuTu: 1241531 (v9) GeekBench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen)
Internal Storage	256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM UFS 4.0
Card Slot	No
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support

Connectivity

Wi-fi	Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth	5.3, A2DP, LE
USB	USB Type-C 3.2, OTG
GPS	GPS, GLONASS, BDS, GALILEO
NFC	Yes
Radio	No

Sound

Loudspeaker	Yes, with stereo speakers
3.5mm Jack	No
Loudspeaker Test	-25.6 LUFS (Very good)

Design

Type	Bar
Dimensions	163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
Weight	234 g (8.25 oz)
Colors	Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition
Build	Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame

Network

Speed	HSPA, LTE-A (up to 7CA), 5G
SIM	Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by) IP68 dust/water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus (Bluetooth integration, accelerometer, gyro)
2G Network	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA 800 / 1900 & TD-SCDMA
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO
4G Network	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International 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 - USA
5G Network	1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA