
Motorola
Best US book foldable, big battery

Samsung
Best-value Galaxy S23 — same chip + 45W as Ultra, no S Pen
Motorola Razr Fold
Motorola Razr Fold
Motorola Razr Fold
Historically the foldable Achilles heel — but Motorola invested in hardware and software here, and DxOMark ranks it the best camera in any foldable.
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Samsung Galaxy S23+
Samsung Galaxy S23+
Samsung Galaxy S23+
Same 50MP main + 12MP ultrawide + 10MP 3x telephoto trio as the standard S23 — no 200MP main, no 10x periscope. Versatile and consistent in daylight; the Ultra's zoom range is the clearest gap.
Motorola Razr Fold
Snapdragon 8 Gen 5 with 16GB RAM — fast for everyday use and surprisingly good in long sessions, but the choice of the non-Elite chip in a $1,899 phone is the headline criticism.
Samsung Galaxy S23+
The bespoke Snapdragon 8 Gen 2 for Galaxy and 8GB RAM make it indistinguishable from the Ultra for everyday use — much cooler than the Exynos S22+ and still smooth in 2026.
Motorola Razr Fold
The standout: the largest battery in the book-foldable space delivering class-leading endurance, plus 80W wired charging — three times faster than the Galaxy Z Fold 7.
Samsung Galaxy S23+
4,700mAh paired with the efficient chip delivers excellent real-world endurance — owners regularly hit 5-8 hours SOT and full days with 40% to spare. Charging is 45W rated (the standard S23 is only 25W) but caps out at ~1h6m to full and needs the correct PPS cable.
Motorola Razr Fold
At $1,899 it undercuts the Z Fold 7 and is the only premium book foldable many US buyers can actually purchase — value hinges on whether the non-Elite chip and update questions matter to you.
Samsung Galaxy S23+
Launched at $999, now $400-500 used / refurbished — strong value for the chip + charging combo, but the standard S23 ($799) and the Ultra ($1,199) overshadow it inside Samsung's own lineup.