The iPhone 17 Pro Max vs Galaxy S26 Ultra showdown pits Apple’s latest flagship against Samsung’s most ambitious Android phone yet—and the contrast is striking. Both phones target the same screen size (6.9 inches) and RAM ceiling (12GB for Apple, 16GB for Samsung), but they diverge sharply on what matters most: thickness, performance balance, and camera philosophy. This is not a clear winner. It is a choice between two competing visions of what a premium phone should be.
Key Takeaways
- Samsung’s Galaxy S26 Ultra targets under 8mm thickness, while Apple’s iPhone 17 Pro Max is 8.76mm thick
- iPhone 17 Pro Max leads in single-core performance and battery endurance (nearly 18 hours vs just over 16 hours)
- Galaxy S26 Ultra’s NPU shows a 70% advantage in AI benchmarks and wins multi-core tasks
- Samsung jumps to 45W wired charging and 16GB RAM; Apple sticks with 25W wireless and 12GB RAM
- Camera sensor sizes diverge: S26 Ultra’s 5x telephoto uses smaller 1.0µm pixels versus S25 Ultra’s 1.12µm
Design and Thickness: Samsung’s Aggressive Bet
The Galaxy S26 Ultra will be under 8mm thick, making it one of the thinnest flagship phones ever built. The iPhone 17 Pro Max, by contrast, measures 8.76mm—nearly a full millimeter thicker. This is not a minor difference. A thinner phone feels more premium in hand, slips into pockets easier, and represents a genuine engineering achievement. Samsung is betting that thinness matters more to flagship buyers than incremental performance gains. Apple is betting the opposite. Neither is wrong; they are simply optimizing for different customer priorities.
The design philosophy extends to charging. Samsung’s S26 Ultra requires a magnetic case for Qi2-style wireless charging, a practical compromise that keeps the phone slim. Apple’s iPhone 17 Pro Max continues to support standard wireless charging at 25W, compared with Samsung’s 15W on the S25 Ultra. For wired charging, Samsung leaps ahead with 45W support versus Apple’s reliance on wireless-first philosophy. A user who values speed will prefer Samsung’s wired option. A user who values simplicity will prefer Apple’s wireless-only approach.
Performance: Apple Leads Single-Core, Samsung Dominates AI
The iPhone 17 Pro Max uses Apple’s A19 Pro chip with 12GB of RAM, while the Galaxy S26 Ultra packs the Snapdragon 8 Elite Gen 5 for Galaxy with 16GB of RAM. On paper, Samsung’s extra RAM and newer chipset should dominate. In practice, the story is more nuanced. Apple’s A19 Pro still edges out Samsung in single-core performance, which matters for everyday responsiveness and app launches. But Samsung wins decisively in multi-core tasks and AI workloads. The S26 Ultra’s NPU shows approximately a 70% advantage in AI benchmarks, a meaningful gap for future AI-powered features.
This split mirrors the broader industry trend: Apple optimizes for perceived speed and user experience, while Samsung and Qualcomm optimize for raw throughput and AI capability. Neither approach is objectively superior. A user running video editing software or processing AI models will feel the difference. A user scrolling social media will not. The question is which future you are buying for—incremental AI gains or sustained single-threaded performance.
Battery Life: iPhone 17 Pro Max Still Holds the Edge
Despite Samsung’s 16GB RAM and larger multi-core performance, the iPhone 17 Pro Max outlasts the Galaxy S26 Ultra in real-world battery tests. TechRadar’s web-surfing battery test showed the iPhone lasting nearly 18 hours, while the S26 Ultra managed just over 16 hours. That is a meaningful gap—nearly two hours of extra endurance on a single charge. Samsung kept the S26 Ultra’s battery at 5,000mAh, unchanged from the S25 Ultra, which suggests Samsung is accepting the battery trade-off in exchange for the under-8mm thickness goal.
The iPhone 17 Pro Max, meanwhile, benefits from eSIM-only design in the U.S. market, which allowed Apple to fit a 5,088mAh battery—slightly larger than Samsung’s. This is a subtle but real advantage for travelers and power users. If you charge your phone daily, the difference is academic. If you skip a day, Apple’s endurance becomes a lifeline.
Cameras: Sensor Downgrades and Telephoto Trade-Offs
Samsung’s camera strategy for the S26 Ultra reveals interesting compromises. The phone boasts a 200MP main sensor, 50MP ultra-wide, and dual 5x and 3x telephoto lenses. Impressive on paper. But the 5x telephoto sensor shrinks to 1/3.94-inch with 1.0µm pixels, down from the S25 Ultra’s 1/3.52-inch sensor and 1.12µm pixels. Smaller pixels typically mean less light sensitivity and noisier images in low light—a step backward for a feature Samsung heavily markets. The camera block itself will be 4.5mm thick, suggesting Samsung packed these sensors into an increasingly constrained space.
The iPhone 17 Pro Max is rumored to support 8K video recording and a 24MP front camera, with a possible mechanical aperture for the main sensor. A mechanical aperture would be genuinely novel—allowing the lens to adjust its opening for different lighting conditions, rather than relying on software. If real, this would represent a meaningful innovation. But until Apple confirms it, treat this as speculation.
RAM and Storage: Samsung’s Aggressive Spec Bump
The Galaxy S26 Ultra will offer 16GB of RAM across all variants, paired with 256GB, 512GB, and 1TB storage options. The iPhone 17 Pro Max sticks with 12GB of RAM, a decision that will invite criticism from spec-sheet readers. In practice, iOS manages memory more efficiently than Android, and 12GB is sufficient for all current use cases. But Samsung’s 16GB and 1TB options signal a clear strategy: attract users who value maximum specifications and future-proofing, even if today’s apps do not need that capacity.
Which Phone Should You Choose?
If you prioritize thinness, latest AI performance, and maximum RAM, the Galaxy S26 Ultra is the obvious choice. If you value battery endurance, single-core responsiveness, and proven software optimization, the iPhone 17 Pro Max wins. The real answer depends on your ecosystem. iPhone users benefit from continuity with Mac, iPad, and Apple Watch. Android users gain flexibility and customization that iOS cannot match. Neither phone is objectively better—they are optimized for different philosophies and audiences.
Is the iPhone 17 Pro Max faster than the Galaxy S26 Ultra?
It depends on the task. The iPhone 17 Pro Max leads in single-core performance, making everyday apps and games feel snappier. The Galaxy S26 Ultra wins in multi-core tasks and AI workloads, where its Snapdragon 8 Elite Gen 5 and 16GB RAM provide an advantage. For most users, the difference is imperceptible in daily use.
Does the Galaxy S26 Ultra have better battery life than the iPhone 17 Pro Max?
No. TechRadar’s testing showed the iPhone 17 Pro Max lasting nearly 18 hours in web-surfing tests, compared with just over 16 hours for the S26 Ultra. Apple’s advantage comes from efficient power management and slightly larger battery capacity, despite Samsung’s thinner design.
Will the iPhone 17 Pro Max have a mechanical aperture?
It is rumored, but not confirmed. A mechanical aperture would allow the lens to adjust its opening dynamically, improving low-light performance. If real, it would be a genuine innovation—but wait for Apple’s official announcement before relying on this feature.
The iPhone 17 Pro Max vs Galaxy S26 Ultra debate will dominate flagship conversations through 2025. Both phones represent the cutting edge of what is possible in a premium smartphone. The iPhone wins on endurance and perceived speed. Samsung wins on specs and design ambition. Your choice depends on whether you value what Apple does best—coherent software and battery life—or what Samsung does best—raw performance and customization. Neither phone is a mistake. They are simply different answers to the question of what a flagship phone should be.
Where to Buy
$1,429 at Amazon | $1,070 at Amazon
Edited by the All Things Geek team.
Source: TechRadar


