Samsung
Samsung Galaxy S25 Ultra
$1299.99
Released 2025-02
Best Smartphones · head-to-head
A sourced, side-by-side comparison. OnePlus 13 is cheaper at $899. Every spec and price links to its source.
Samsung
$1299.99
Released 2025-02
OnePlus
$899Cheaper
Released 2025-01
The OnePlus 13 wins 2 of the 3 specs we compare head to head; the other wins 1. The OnePlus 13 is the cheaper at $899. The OnePlus 13 both leads on specs and costs less — the straightforward pick.
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The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $1299.99 MSRP, 256GB (base config) | $899 MSRP, 256GB (US base, 12GB RAM) |
| Brand | Samsung | OnePlus |
| Released | 2025-02 | 2025-01 |
| Display (in) | 6.9 | 6.82 |
| Display type | Dynamic LTPO AMOLED 2X | LTPO AMOLED |
| Refresh (Hz) | 120 | 120 |
| Chipset | Qualcomm Snapdragon 8 Elite for Galaxy | Qualcomm Snapdragon 8 Elite |
| RAM (GB) | 12 | 12 |
| Storage (GB) | 256 | 256 |
| Main camera (MP) | 200 | 50 |
| Battery (mAh) | 5000 | 6000 |
| Charge (W) | 45 | 80 |
| Weight (g) | 218 | 210 |
| OS | Android 15 | Android 15 |
| IP rating | IP68 | IP69 |
| Fiveg | Yes | Yes |
Sources — Samsung Galaxy S25 Ultra: gsmarena.com (verified 2026-06-15). OnePlus 13: gsmarena.com (verified 2026-06-15).
Where the two actually differ on the specs we track (8 of 13). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Two whitelisted lab testers (Tom's Guide, GSMArena) reviewed the exact Galaxy S25 Ultra. Both praise the overclocked Snapdragon 8 Elite speed, and Tom's Guide measured strong battery endurance (17h14m). Display measurements diverge by methodology. Both flag the slow 45W charging (~59 min to full); GSMArena calls the panel solid but not cutting-edge, while Tom's Guide rates the display excellent and brighter than the iPhone 16 Pro Max. (2 sourced reviews, 2 lab-tested.)
Praised: Fast overclocked Snapdragon 8 Elite performance, one of the fastest phones tested; Excellent, bright display beating iPhone 16 Pro Max in Tom's Guide lab (1,860 nits); Strong battery endurance (17h14m Tom's Guide test).
Flagged: Slow 45W charging, ~59 minutes to full; Qi2 support lacks built-in magnets; needs a special case; Display is solid but not cutting-edge per spec / dims quickly at peak.
Four whitelisted testers (Notebookcheck, GSMArena, Tom's Guide, Engadget) all lab-benchmarked the OnePlus 13 and rate it a top-value flagship: class-leading 6,000mAh battery life, fast Snapdragon 8 Elite performance, and quick charging. Shared knocks: real-world brightness falls short of the 4,500-nit claim, heavy GPU throttling, and merely good low-light cameras. (4 sourced reviews, 4 lab-tested.)
Praised: Class-leading battery life from the 6,000mAh silicon-carbon cell (19h45m to 38h41m across tests); Fast Snapdragon 8 Elite performance, ~9,000+ Geekbench 6 multi-core; Very fast wired charging (~35-40 min to full).
Flagged: Measured brightness (~1,100-1,200 nits) far below the advertised 4,500-nit peak claim; Heavy GPU throttling under sustained load (~50% stability, hot bottom at 46°C); Cameras only good, not top-tier, especially in low light.