Samsung Galaxy S25 Ultra vs Samsung Galaxy S26+: Specs, Price & Differences in Thailand (September 2026)

Across the 3 Thai shops AI Market tracks, the lowest in-stock price for the Samsung Galaxy S26+ ranges ฿26,900 to ฿37,543 — a gap of ฿10,643 between shops. The floor is ฿26,900 at Samsung Thailand; the highest is ฿37,543 at Shopee Thailand. Neither listing states its storage capacity, so the two may not be the same configuration.

Which is cheaper: the Samsung Galaxy S25 Ultra or the Samsung Galaxy S26+?

The Samsung Galaxy S25 Ultra starts at ฿30,900 and the Samsung Galaxy S26+ starts at ฿26,900 — the Samsung Galaxy S26+ is ฿4,000 cheaper at today's lowest live prices.

The Samsung Galaxy S25 Ultra is cheapest at Samsung Thailand (฿30,900); the Samsung Galaxy S26+ is cheapest at Samsung Thailand (฿26,900).

Samsung Galaxy S25 Ultra leads on Display at 6.9". Samsung Galaxy S25 Ultra leads on Battery at 5,000 mAh. The Samsung Galaxy S25 Ultra runs Qualcomm Snapdragon 8 Elite for Galaxy SM8750-AC (Sun); the Samsung Galaxy S26+ runs Samsung Exynos 2600 5G S5E9965. Samsung Galaxy S25 Ultra prices range from ฿30,900 to ฿33,836 across tracked storage/color variants.

Prices verified as of 27 Sept 2026.

Prices read from 3 shops' own listings and last checked 27 Sept 2026. We track prices only — we do not test devices or take payment for placement.

Some store links are affiliate links. They never change the order — the cheapest in-stock price is always first.

Side-by-side specifications

Prices are collected directly from Thai retailers, official stores, and marketplaces. Every price shows when it was last checked.