Samsung Galaxy S25 Ultra vs Samsung Galaxy Z Fold 6

Samsung Galaxy S25 Ultra

Samsung

8.7

Excellent

Samsung Galaxy Z Fold 6

Samsung

7.4

Good

What Reviewers Agree On

Snapdragon 8 Elite delivers best-in-class Android performance
Flat titanium design is a massive improvement over curved edges
Galaxy AI features are genuinely useful, especially Circle to Search and Live Translate
Display is the best on any smartphone with 2600 nit peak brightness
S Pen remains a unique differentiator with no real competition

Deal Breakers

No Qi2 MagSafe-style magnetic charging
45W charging is still slow compared to Chinese flagships

Detailed Comparison

Design & Build

Samsung Galaxy S25 Ultra

The S25 Ultra adopts a flat titanium frame and flat display, addressing the #1 complaint about previous Ultra models. The result is a more comfortable, premium-feeling device.

Flat titanium frame is a game-changer for grip and feel — the best Ultra design yet
Lighter at 218g despite the large 6.9-inch display
Rounded corners and flat edges remind many reviewers of an iPhone-like aesthetic

Samsung Galaxy Z Fold 6

The Z Fold 6 is noticeably thinner and lighter, with a more squared-off design language that reviewers appreciate.

The new design language with flat edges looks more refined and modern — it's Samsung's best-looking foldable by far.
At 239g, it's the lightest Z Fold yet, and you genuinely notice the difference in pocket and hand.
The crease is still there and still visible in certain lighting — Samsung hasn't solved this yet.

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Display

Samsung Galaxy S25 Ultra

The 6.9-inch Dynamic AMOLED 2X display with 2600 nit peak brightness and anti-reflective coating is universally praised as the best smartphone display available.

2600 nit peak brightness with anti-reflective coating makes it the most sunlight-readable phone
120Hz LTPO refresh rate is butter smooth with excellent touch response

Samsung Galaxy Z Fold 6

The inner 7.6-inch display is gorgeous but the narrow cover screen divides opinion.

The inner display is beautiful — bright, smooth, and the extra screen real estate transforms productivity tasks.
The cover screen at 6.3 inches is usable but still feels cramped compared to regular phones — typing is a challenge.

Camera

Samsung Galaxy S25 Ultra

The quad camera system features an improved 200MP main sensor, 50MP ultrawide, 10MP 3x telephoto, and 50MP 5x periscope. Galaxy AI enhances post-processing significantly.

200MP main sensor produces incredibly detailed shots with improved noise handling
Galaxy AI photo editing (Generative Edit, Best Face) is genuinely useful and well-implemented
Video recording improvements with LOG support appeal to content creators
Night mode still trails iPhone 16 Pro in very low light scenarios

Samsung Galaxy Z Fold 6

Capable cameras but not flagship-tier, which stings at this price point.

Photos are good by any standard, but when you're paying $1,899, 'good' feels insufficient compared to the S24 Ultra's camera.
The 3x telephoto is fine but the lack of a periscope zoom lens feels like a cost-cutting measure.