Samsung Galaxy S23 Ultra review: high-resolution imaging meets incremental design refinement

Samsung’s latest flagship, the Galaxy S23 Ultra, has arrived as a formidable contender for the premier Android smartphone of 2023, combining extreme performance with a sophisticated aesthetic. While the device leaves a lasting impression through its hardware prowess, it largely follows the blueprint established by its predecessor, the S22 Ultra. For power users and mobile photography enthusiasts, the handset represents a peak of mobile engineering, though its iterative nature suggests that current owners of the previous generation may find few reasons to make an immediate upgrade.

The physical structure of the S23 Ultra maintains the signature rectangular, boxy silhouette that differentiates it from more rounded competitors. Although it is slightly heavier than the Pixel 7 Pro, it feels more manageable in the hand than foldable alternatives. Available in a palette of sophisticated shades including Phantom Black, Lavender, Cream, and Green, the phone features a premium glass back that prioritizes subtle elegance. The integrated S-Pen remains a core feature, tucked into the aluminum chassis for easy access. While the placement of power and volume buttons is ergonomically sound, the sheer scale of the device effectively necessitates two-handed operation for most tasks.

The visual experience is centered around a 6.8-inch high-resolution OLED display, which continues Samsung’s tradition of industry-leading screen technology. With an adaptive 120Hz refresh rate, the panel offers exceptional fluidity during navigation and gaming, supported by deep blacks and high contrast ratios characteristic of premium OLED panels. While the screen is optimized for media consumption with high brightness levels, the biometric security remains limited to 2D facial recognition and fingerprint scanning, lacking the 3D facial authentication required by some high-security banking applications.

The most significant technological leap in this year’s model is the introduction of a 200-megapixel wide-angle sensor. This high-resolution primary camera allows users to crop or scale images significantly without a noticeable loss in clarity. The rest of the array—including a 12-megapixel ultra-wide lens and dual 10-megapixel telephoto sensors—delivers consistent performance across various lighting conditions. Most notably, the digital zoom capabilities reach up to 100x, producing results that remain impressive for a mobile device. The front-facing selfie camera has been standardized at 12 megapixels, ensuring high-quality self-portraits and video calls.

Running on Android 13 with Samsung’s OneUI 5.1 interface, the S23 Ultra provides a streamlined user experience with minimal pre-installed bloatware. The transition to the Qualcomm Snapdragon 8 Gen 2 processor across all markets represents a major performance shift from the previous Exynos chips used in certain regions. This change results in faster app loading, smoother multitasking, and significantly better thermal management. Samsung’s commitment to longevity is evident in its software policy, which promises at least four years of security and operating system updates, ensuring the device remains fully supported through 2027.

Powering the device is a 5,000 mAh battery which, despite being the same size as the previous model, benefits from the improved power efficiency of the new processor. Under moderate usage conditions involving media streaming, music, and social media navigation, the device comfortably lasts more than a full day, frequently stretching into a second day of operation. For productivity, the S-Pen offers advanced features like "Air Actions" and proximity alerts to prevent loss, while the software includes a specialized one-handed mode to assist users in navigating the expansive 6.8-inch screen.

Despite its status as a mobile powerhouse, the S23 Ultra’s greatest challenge is its own lineage. The refinements in camera resolution and processing efficiency are undeniable, yet the design and overall experience remain strikingly similar to the S22 Ultra. Given the increase in market pricing, the device is a definitive recommendation for those upgrading from older models, but users currently utilizing the S22 Ultra may find better value in retaining their current hardware while stocks of the older model remain available.