Initial data or main information
Official Release Date	2026, February 18	2025, September 04
Operating System at Release	Android 16, up to 3 major Android upgrades, XOS 16	Android 16, up to 7 major Android upgrades, One UI 8
Part Numbers	X6878	SM-S731B, SM-S731B/DS
Price Range at Time of Release	₹ 31,999	€ 459.99 / $ 360.38 / £ 400.00 / ₹ 47,980
European SAR rate (SAR EU)	-	0.54 W/kg (head) 1.57 W/kg (body)

Time and method of release

Time and method of release
Availability Status	Available. Released 2026, March	Available. Released 2025, September 04

Aesthetic features

Aesthetic features
Size and Dimensions	162.4 x 77.2 x 7.4 mm (6.39 x 3.04 x 0.29 in)	161.3 x 76.6 x 7.4 mm (6.35 x 3.02 x 0.29 in)
Product Weight	201.7 g	190 g
Color Options	Mist Titanium, Deep Ocean Blue, Solar Orange, Mocha Brown, Torino Black, Frost Silver	Icyblue, Jetblack, Navy, White

Style and design

Style and design
Front Panel Material	Glass front (Gorilla Glass 7i), aluminum frame, glass back	Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass Victus+), aluminum frame
Frame material type	IP64 dust tight and water resistant (water splashes)	IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

Body material and design

Body material and design
Compatible SIM Card Types	Nano-SIM + Nano-SIM + eSIM (max 2 at a time)	· Nano-SIM Nano-SIM + Nano-SIM Nano-SIM + eSIM eSIM + eSIM

Display

Display
Display Panel Type	AMOLED, 144Hz, 2304Hz PWM, 700 nits (typ), 1600 nits (HBM), 4500 nits (peak)	Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 1900 nits (peak)
Screen Size	6.78 inches, 112.1 cm 2 (~89.4% screen-to-body ratio)	6.7 inches, 110.2 cm 2 (~89.2% screen-to-body ratio)
Display Resolution	1208 x 2644 pixels, 19.5:9 ratio (~429 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Screen Aspect Ratio	19.5:9 ratio	-
Display Technical Details	-	Corning Gorilla Glass Victus+, Mohs level 5
Maximum Brightness Level	-	1247 nits max brightness (measured)

Processor or chip

Processor or chip
Chipset Model	Qualcomm SM7635-AC Snapdragon 7s Gen 4 (4 nm)	Exynos 2400 (4 nm)
Processor Core Details	1x2.7 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520	10-core (1x3.2GHz Cortex-X4 & 2x2.9GHz Cortex-A720 & 3x2.6GHz Cortex-A720 & 4x1.95GHz Cortex-A520)
Other Technical Details of Chipset	-	Samsung DeX, Samsung Wireless DeX (desktop experience support)

Central Processor (CPU)

Central Processor (CPU)
GPU Model	Adreno 810	Xclipse 940

Connections

Connections
Memory Card Slot	No	No
Bluetooth Support	5.4, A2DP, LE	5.4, A2DP, LE

Storage memory

Storage memory
Internal Memory Capacity	128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM	128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
Internal Storage Type	UFS 2.2	UFS 4.0

Front camera

Front camera
Main Selfie Camera Specifications	13 MP, f/2.2, 24mm (wide), 1/3.1", 1.12µm	12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm
Resolution and Frame Rate of Selfie Video	4K@30fps, 1080p@30/60fps	4K@30/60fps, 1080p@30/60fps; gyro-EIS, HDR10+

Audio features

Communications and sensors

Communications and sensors
Wi-Fi Specifications	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band	Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band (market/region dependent), Wi-Fi Direct
Navigation Type and GPS	GPS	GPS, GLONASS, GALILEO, BDS
Fingerprint Sensor Type	optical	-
5G Support	SA/NSA	SA/NSA/Sub6

Battery and charging features

Battery and charging features
Connection Port Type	USB Type-C 2.0, OTG	USB Type-C 3.2, OTG
Maximum Supported Charging Power	90W wired	-
Full Charge Time	41 min (6500 mAh)	-

Capabilities

Capabilities
Smart Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, heart rate, SpO2	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer

Power supply and battery life

Power supply and battery life
Battery Technology	6000 mAh or 6500 mAh	4900 mAh

Technical features

Technical features
Fast Charging Capability	90W wired, 50% in 16 min, 100% in 41 min (6500 mAh)	45W wired, PD, QC2, 65% in 30 min

Identity and ethnicity

Identity and ethnicity
Technology	GSM / HSPA / LTE / 5G	-

Energy and Training

Energy and Training
Protection	Corning Gorilla Glass 7i	-

Other features

Other features
Features	Dual-LED flash, HDR, panorama	-

Technical Details

Technical Details
Performance	AnTuTu: 868860 (v10), 963648 (v11) GeekBench: 3412 (v6) 3DMark: 1219 (Wild Life Extreme)	-

Design

Design
Display	1694 nits max brightness (measured)	-

Motorcycle Technical Features

Motorcycle Technical Features
Battery	Active use score 16:06h	42:37h endurance, 2000 cycles

Visual details

Visual details
Supported HDR Standards	Ultra HDR support	-

Main camera

Main camera
Main Camera Specifications - Wide/Standard	50 MP, f/1.6, 27mm (wide), 1/1.95", 0.8µm, PDAF (9cm - ∞), OIS	LED flash, HDR, panorama, Best Face
Maximum Video Recording Quality of Rear Camera	4K@30fps	8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps; gyro-EIS, HDR10+
Rear Camera Details	-	50 MP, f/1.8, 24mm (wide), 1/1.57", 1.0µm, dual pixel PDAF, OIS