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Samsung Galaxy Watch 8 Series, Watch Ultra 2 Specifications Leak Ahead of Galaxy Unpacked

Samsung Galaxy Watch 8 Series, Watch Ultra 2 Specifications Leak Ahead of Galaxy Unpacked

Samsung is expected to launch the new Galaxy Watch lineup at the Galaxy Unpacked on July 9.

Written by Shaurya Tomer, Edited by Siddharth Suvarna | Updated: 7 July 2025 10:00 IST

Samsung Galaxy Watch 8 Series, Watch Ultra 2 Specifications Leak Ahead of Galaxy Unpacked

Galaxy Watch Ultra is Samsung's flagship smartwatch from 2024

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Highlights

All smartwatches are reported to be powered by 3nm Exynos W1000 chipset
The Galaxy Watch 8 may be offered in 40mm and 44mm variants
Samsung is said to equip the Watch Ultra 2 with 64GB of onboard storage

Samsung is rumoured to unveil the Galaxy Watch 8 series as well as the successor to 2024's Watch Ultra soon. Ahead of their anticipated debut during this year's Galaxy Unpacked, complete specifications of all upcoming smartwatches have leaked online. As per a report, the Galaxy Watch 8, Watch 8 Classic, and the Watch Ultra 2 will be powered by a 3nm Samsung Exynos chipset, running on Wear OS 6. All three models are said to pack a PPG (Photoplethysmographic) and an ECG sensor for health tracking.

Samsung Galaxy Watch 8 Series, Watch Ultra 2 Specifications (Expected)

In a report, French publication DealLabs shared specifications of the upcoming Samsung Galaxy smartwatches. First up is the Galaxy Watch 8, which is said to be available in two size variants, 40mm and 44mm, equipped with 1.34-inch and 1.47-inch screens, respectively.

Features	Galaxy Watch 8	Galaxy Watch 8 Classic	Galaxy Watch Ultra 2
OS	One UI 8.0 Watch	One UI 8.0 Watch	One UI 8.0 Watch
Case Size	40 mm / 44 mm	46 mm	47 mm
Dimensions	40 mm: 40.4 x 42.7 x 8.6 mm 44 mm: 43.7 x 46 x 8.6 mm	46.7 x 46 x 10.6 mm	47.4 x 47.1 x 12.1 mm
Weight	40 mm: 30 g 44 mm: 34 g	63.5 g	60.5 g
Material	Armor Aluminum Sapphire Glass	Stainless Steel Sapphire Glass	Titanium Sapphire Glass
Display	40 mm: 1.34-inch 44 mm: 1.47-inch	1.34-inch	1.47-inch
Battery	40 mm: 325 mAh 44 mm: 435 mAh	445 mAh	590 mAh
Memory	RAM: 2 GB / Storage: 32 GB	RAM: 2 GB / Storage: 32GB	RAM: 2 GB / Storage: 64GB
Chipset	Exynos W1000 (5 core, 3nm)	Exynos W1000	Exynos W1000
Sensors	Accelerometer Altimeter Gyroscope Light Sensor Geomagnetic Sensor PPG Sensor ECG Sensor BIA Sensor	Accelerometer Altimeter Gyroscope Light Sensor Geomagnetic Sensor PPG Sensor ECG Sensor BIA Sensor	Accelerometer Altimeter Gyroscope Light Sensor Geomagnetic Sensor PPG Sensor ECG Sensor BIA Sensor
Included Bands	Silicone Sport Bracelet (S/M)	Premium Hybrid Bracelet (S/M/L)	Extreme Sport Bracelet (S/M/L)

The base Galaxy Watch 8 may use an aluminum case and could ship with a Silicone Sports Bracelet as standard. Samsung is said to equip the 40mm variant of the Watch 8 with a 325mAh battery, whereas the 44mm model may get a bigger 425mAh battery.

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Moving on, the Samsung Galaxy Watch 8 Classic may be available in a single 46mm variant, sporting a 1.34-inch screen. The report suggests it may debut with a stainless steel case and Premium Hybrid Strap. It could pack a 445mAh battery.

Both the Galaxy Watch 8 and Watch 8 Classic are said to come in Bluetooth-only and Bluetooth + Cellular (4G LTE) configurations. The smartwatches will pack 32GB of onboard storage.

Last up is the Galaxy Watch Ultra 2, arriving as the successor to 2024's Galaxy Watch Ultra. This purported smartphone is anticipated to sport a 1.47-inch screen in a 47mm size. It may come with an Extreme Sport Bracelet, along with a Titanium case. It is said to be backed by a 590mAh battery and be offered in a single Bluetooth + Cellular configuration, paired with 64GB of onboard storage.

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All three smartwatches are reported to run on Wear OS 6-based One UI 8.0 Watch. They could be powered by a 3nm Samsung Exynos W1000 SoC with 2GB of onboard RAM. As per the report, the displays on all three watches will have a 3,000 nits peak brightness and a pixel density of 327 ppi, protected by sapphire glass on top.

In terms of sensors, Samsung is said to equip the Galaxy Watch 8 series and the Watch Ultra 2 with an accelerometer, altimeter, gyroscope, light sensor, geomagnetic sensor, PPG sensor, ECG sensor, and a BIA (Bioelectrical Impedance Analysis) sensor. All three models are also expected to support magnetic wireless charging.

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We can expect all details about the Samsung Galaxy Watch 8 series and the Watch Ultra 2 to go official at the Galaxy Unpacked 2025 event on July 9. Stay tuned for our coverage of the event.

Samsung Galaxy Watch Ultra

REVIEW
KEY SPECS
NEWS

Design and comfort
Tracking accuracy
Software and ecosystem
Battery life

Good
Bright display
Dynamic watch faces
Rugged design
Several strap options
One UI works flawlessly
Reliable health tracking features

Bad
Goodbye rotating bezel
Shaky GPS
ECG and BP features locked to Samsung devices

Read detailed Samsung Galaxy Watch Ultra review

Strap Material Silicone

Dial Shape Round

Display Type Super AMOLED

Ideal For Unisex

More Samsung Smartwatches

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Further reading: Samsung Galaxy Watch 8, Samsung Galaxy Watch 8 Specifications, Samsung Galaxy Watch 8 Classic Specifications, Samsung Galaxy Watch Ultra 2, Samsung Galaxy Watch Ultra 2 Specifications, Samsung Galaxy Watch 8 Classic, Galaxy Unpacked 2025, Samsung

Shaurya Tomer

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Shaurya Tomer is a Sub Editor at Gadgets 360 with 2 years of experience across a diverse spectrum of topics. With a particular focus on smartphones, gadgets and the ever-evolving landscape of artificial intelligence (AI), he often likes to explore the industry's intricacies and innovations – whether dissecting the latest smartphone release or exploring the ethical implications of AI advancements. In his free time, he often embarks on impromptu road trips to unwind, recharge, and ...More