Samsung Galaxy S26 Ultra vs Galaxy S3: Ultra Power Meets Classic S Legacy

The Samsung Galaxy S26 Ultra and Galaxy S3 represent two different generations of Samsung flagships — fourteen years apart. Samsung's Ultra flagship pushes every spec to its maximum — the largest screen, the highest resolution camera, the most RAM, and the most features for $1,299. The Galaxy S3, Samsung's 2012 classic, was the phone that made Samsung a global smartphone leader for $449.

At $1,299 for the Galaxy S26 Ultra and $449 for the Galaxy S3 (original price), these are direct competitors from different eras. Samsung offers maximum hardware capability in the S26 Ultra, while the S3 offers the legacy of the classic S series design.

Design and Build Quality

The Samsung Galaxy S26 Ultra features a titanium frame with Gorilla Armor 2 glass protection. The S26 Ultra measures 162.3 x 77.4 x 8.6mm and weighs 233g — one of the largest flagship phones available. The integrated S Pen silo adds functionality.

The Galaxy S3 features a polycarbonate frame with removable back cover. The S3 measures 136.6 x 70.6 x 8.6mm and weighs 133g — much smaller and lighter.

The Galaxy S26 Ultra wins on build quality and materials. The S3 wins on compactness and lighter weight.

Display

Samsung Galaxy S26 Ultra Display:

6.9-inch Dynamic AMOLED 2X
2,600 nits peak brightness
120Hz adaptive refresh rate (1-120Hz)
QHD+ resolution (3120 x 1440)
Gorilla Armor 2 protection

Galaxy S3 Display:

4.8-inch Super AMOLED
500 nits peak brightness
60Hz refresh rate
720p resolution (720 x 1280)
Gorilla Glass 2 protection

The Galaxy S26 Ultra's display is much brighter (2,600 vs 500 nits) and has a higher refresh rate (120Hz vs 60Hz). The S3 has a much smaller display (4.8 vs 6.9 inches).

Samsung S26 Ultra wins on display brightness and refresh rate.

Camera System

Samsung Galaxy S26 Ultra Camera:

200MP main sensor (f/1.7, OIS)
12MP ultrawide (f/2.2, 120°)
50MP telephoto (f/3.4, 5x optical zoom, OIS)
10MP telephoto (f/2.4, 3x optical zoom, OIS)
12MP front camera (f/2.2)

Galaxy S3 Camera:

8MP main sensor (f/2.6)
1.9MP front camera

The Galaxy S26 Ultra's camera system is dramatically superior. The 200MP main sensor (vs 8MP) captures vastly more detail, and the dual telephoto system (5x + 3x) provides far better zoom capability.

Samsung S26 Ultra wins on camera hardware and image quality by an enormous margin.

Performance

Samsung Galaxy S26 Ultra Performance:

Snapdragon 8 Elite Gen 2 (3nm TSMC)
12GB RAM
256GB / 512GB / 1TB storage (UFS 4.0)
S Pen support (built-in)

Galaxy S3 Performance:

Exynos 4412 (32nm)
1GB RAM
16GB / 32GB / 64GB storage (eMMC 4.5)

The Samsung Galaxy S26 Ultra's processor is dramatically faster (Gen 2 vs 4412). The S26 Ultra has more RAM (12GB vs 1GB), faster storage (UFS 4.0 vs eMMC 4.5), and S Pen support.

Samsung S26 Ultra wins on processor performance, RAM, storage speed, and S Pen functionality.

Battery Life and Charging

Samsung Galaxy S26 Ultra Battery:

5,000mAh battery
45W wired fast charging
15W wireless charging

Galaxy S3 Battery:

2,100mAh battery (removable)
10W wired fast charging
15W wireless charging

The Galaxy S26 Ultra has a much larger battery (5,000 vs 2,100mAh) and much faster charging (45W vs 10W). The S3 has a removable battery.

Samsung S26 Ultra wins on battery capacity and charging speed.

Software Experience

The Galaxy S26 Ultra runs Android 15 with One UI 7, including all the latest AI features. The S3 runs Android 4 with Samsung TouchWiz.

Samsung S26 Ultra wins on software features and AI capabilities.

Value Proposition

The Samsung Galaxy S26 Ultra at $1,299 offers maximum hardware capability. The Galaxy S3 at $449 (original) offers classic S series functionality.

Choose the Samsung Galaxy S26 Ultra if you want the absolute best in every metric. The S26 Ultra is the phone for users who want the best camera, display, and performance available.

Choose the Galaxy S3 if you want the classic S series experience. The S3 is for users who prefer the S series legacy.

Final Verdict

The Samsung Galaxy S26 Ultra vs Galaxy S3 comparison is a contest between modern excellence and legacy functionality. The S26 Ultra wins on camera, battery, performance, brightness, build quality, and S Pen functionality. The S3 wins on compactness and lighter weight.

The Galaxy S26 Ultra is the objectively better phone. For users who want the best smartphone experience, the S26 Ultra is the clear choice.

The Galaxy S3 is the legacy choice. For users who prefer the classic S series experience, the S3 remains a powerful option.

Both phones are exceptional. The Galaxy S26 Ultra is the better phone. The S3 is the legacy choice.