Samsung Galaxy S26 Ultra vs Galaxy S23 Plus: Ultra Power Meets 2023 Mid-Range

The Samsung Galaxy S26 Ultra and Galaxy S23 Plus represent two different approaches to Samsung's premium smartphone lineup — three 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 S23 Plus, Samsung's 2023 mid-range premium, offers flagship features at a more accessible price for $999.

At $1,299 for the Galaxy S26 Ultra and $999 for the Galaxy S23 Plus, the price difference is moderate — $300 separates these two devices. Samsung offers maximum hardware capability in the S26 Ultra, while the S23 Plus offers proven 2023 flagship features.

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 S23 Plus features an aluminum frame with Gorilla Glass Victus 2 protection. The S23 Plus measures 157.8 x 76.2 x 7.6mm and weighs 196g — slightly smaller and lighter.

The Galaxy S26 Ultra wins on traditional design, portability, and S Pen functionality. The S23 Plus wins on lighter weight and more compact form factor.

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 S23 Plus Display:

• 6.6-inch Dynamic AMOLED 2X
• 1,750 nits peak brightness
• 120Hz adaptive refresh rate (1-120Hz)
• FHD+ resolution (2340 x 1080)
• Gorilla Glass Victus 2 protection

The Galaxy S26 Ultra's display is brighter (2,600 vs 1,750 nits) and higher resolution (QHD+ vs FHD+). The S23 Plus has a slightly smaller display (6.6 vs 6.9 inches).

The S26 Ultra wins on display brightness and resolution.

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 S23 Plus Camera:

• 50MP main sensor (f/1.8, OIS)
• 12MP ultrawide (f/2.2, 120°)
• 10MP telephoto (f/2.4, 3x optical zoom, OIS)
• 12MP front camera (f/2.2)

The Galaxy S26 Ultra's camera system is dramatically superior. The 200MP main sensor (vs 50MP) 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 S23 Plus Performance:

• Snapdragon 8 Gen 2 (4nm TSMC)
• 8GB RAM
• 128GB / 256GB / 512GB storage (UFS 4.0)

The Samsung Galaxy S26 Ultra's processor is faster (Gen 2 vs Gen 2). The S26 Ultra has more RAM (12GB vs 8GB), higher storage options (up to 1TB), and S Pen support.

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

Battery Life and Charging

Samsung Galaxy S26 Ultra Battery:

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

Galaxy S23 Plus Battery:

• 4,700mAh battery
• 45W wired fast charging
• 15W wireless charging

The Samsung S26 Ultra has a larger battery (5,000 vs 4,700mAh). Both phones offer the same charging speeds.

Samsung S26 Ultra wins on battery capacity.

Software Experience

The Galaxy S26 Ultra runs Android 15 with One UI 7, including all the latest AI features. The S23 Plus runs Android 14 with One UI 6.

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 S23 Plus at $999 offers proven 2023 flagship features.

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 S23 Plus if you want a capable flagship at a lower price. The S23 Plus is for users who want good performance without the premium.

Final Verdict

The Samsung Galaxy S26 Ultra vs Galaxy S23 Plus comparison is a contest between traditional flagship excellence and mid-range premium. The S26 Ultra wins on camera, battery, performance, brightness, and S Pen functionality. The S23 Plus wins on price and lighter weight.

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

The Galaxy S23 Plus is the budget choice. At $999, it offers a capable flagship experience at a lower price. For users who want good performance without the premium, the S23 Plus is an excellent choice.

Both phones are exceptional. The Galaxy S26 Ultra is the better phone. The S23 Plus is the budget choice.