Camera Capabilities:

Samsung Galaxy S23 Ultra/S23+: Both phones offer 64MP main cameras with ultra-wide (108 MP) and telephoto lenses. Their AI features include HDR+, Pro Mode, Night Vision, Portrait mode, and Smart Zoom.

iPhone 15 Pro Max: With an A17 Bionic chipset, it offers a powerful 10-nanometer EUV sensor leading to improved low-light performance compared to its rivals. It has 12MP ultrawide, 12MP wide, and telephoto lens options alongside OIS (Optical Image Stabilization). Features like Live Photos and Depth Control further elevate image quality.

Pixel 7a & Pixel 7 Pro: These devices feature upgraded sensors including a backside illuminated (BSI) CMOS sensor offering better low-light performance compared to older models. They both have 108MP main cameras equipped with Telephoto XL and Wide lens combinations, as well as Portrait Lens mode and depth control options.

Processing Power:

Samsung Galaxy S23 Ultra/S23+: Equipped with Snapdragon 8 Gen 3 (SM8750) or SM8825 processors, respectively, they provide excellent performance across all aspects – gaming, multitasking, and video calling.

iPhone 15 Pro Max: As mentioned earlier, owning a powerful A17 Bionic processor ensures smooth execution of apps, games, and videos without any lag. Additionally, the 15-nm FinFET technology results in increased speeds compared to previous generation chips.

Pixel 7a & Pixel 7 Pro: Running on Qualcomm’s Snapdragon 8cx gen 2 chipsets, these phones deliver outstanding computing experience while maintaining reasonable battery life.

Battery:

Samsung Galaxy S23 Ultra/S23+: Boasting non-removable batteries ranging between 5090mAh and 5100mAh, which significantly extend endurance during long usage sessions. Fast charging via Type C at up to 50W also makes this an appealing option.

iPhone 15 Pro Max: Offering a more compact and lighter design than competitors, this phone comes with a larger capacity non-removable battery providing around 5191mAh, making it quite durable under extended use. Also, the QuickCharge 4+ wireless charger provides faster charge times than traditional USB ports.

Pixel 7a & Pixel 7 Pro: Although not as impressive as others due to their smaller form factor, these devices still boast robust battery capacities ranging between 4995mAh and 5050mAh. Despite that, fast charging using Qi wireless technology allows users to charge devices within just minutes.