So, if you’re thinking of upgrading your phone and can’t decide which one to buy, we’ll help you choose the best smartphone to suit your needs.

Read more: Best waterproof phones 2023, buying guide

Design and display

iPhone 15 Pro Max with titanium frame
  • Samsung Galaxy S23 Ultra: 163.4 x 78.1 x 8.9 mm; 234 grams
  • iPhone 15 Pro Max: 159.9 x 76.7 x 8.3 mm; 221 grams

Both devices follow the same design as their predecessors, with a few minor improvements. While the Galaxy S23 Ultra still has an aluminum frame, the iPhone 15 Pro Max has a lighter titanium frame that replaces the stainless steel of its predecessor. This switch makes the iPhone 15 Pro Max about 8% lighter than the 14 Pro Max.

The iPhone 15 Pro Max has a 6.7-inch Super Retina XDR display, thinner bezels, and a dynamic island that expands as you receive notifications . The Galaxy S23 Ultra has a 6.8-inch Dynamic AMOLED display. Aside from the fancy branding, both models have OLED panels with adaptive refresh rate technology that can go up to 120Hz.

The S23 Ultra can offer up to 1,750 nits of brightness, while the iPhone 15 Pro Max’s display can go up to 2,000 nits, making the latter a slightly better option if you spend most of your time outdoors.

Samsung has perfected the S23 Ultra by minimizing the curves and making them smoother. Unlike the iPhone 15 Pro Max, the S23 Ultra has a much smaller hole, which helps the device have a cleaner screen that doesn’t disrupt your viewing experience.

Camera configuration

Samsung Galaxy S23 Ultra camera
  • Samsung Galaxy S23 Ultra: 200MP primary f/1.7; 12 MP f/2.2 ultra-wide; 10 MP f/2.4 telephoto with 3x optical zoom. 10MP f/4.9 periscope telephoto with 10x optical zoom. Front camera : 12 MP f/2.2
  • iPhone 15 Pro Max: 48 MP f/1.8 primary, dual-pixel PDAF, sensor-switching OIS. 12MP f/2.8 periscope telephoto with 5x optical zoom. 12 megapixel f/2.2 ultra-wide camera; Front camera: 12 MP f/1.9

Undoubtedly, camera hardware significantly influences smartphone purchasing decisions. The Galaxy S23 Ultra is Samsung’s first phone with a 200-megapixel primary camera. It boasts images with unparalleled detail, better low-light performance, and improved dynamic range. If you want to improve your photography, check out the Samsung Galaxy S23 Ultra camera settings you need to change .

Although the main camera of the iPhone 15 Pro Max remains the same as its predecessor, Apple has introduced several features to capture images with extraordinary detail. You can now customize the default focal length of your main camera with choices including 24mm, 28mm or 35mm.

Both phones can shoot incredible video, but the iPhone has a slight edge in optical stabilization, which results in smoother video. The S23 Ultra offers two telephoto lenses with optical zoom (3x and 10x). This provides versatility for different shooting scenarios, especially for zoomed-in shots. Similarly, the iPhone has a periscope telephoto lens with 5x optical zoom.

If you value high megapixels and versatile zoom options, the S23 Ultra might be a better choice. However, if you prefer cooler, more vivid colors and optical image stabilization, the iPhone 15 Pro Max will be perfect for you!

Internal hardware and performance

Snapdragon 8 Gen 2 for Galaxy Chipset
  • Samsung Galaxy S23 Ultra: Snapdragon 8 Gen 2; 4nm process; Adreno 740 GPU
  • iPhone 15 Pro Max: A17 Pro; 3 nm process; 6-core graphics processor

The iPhone 15 Pro Max is the first smartphone to use a 3nm chip, and Apple claims the A17 Pro is up to 10 percent faster than its predecessor. It promises significant performance improvements, including a 20% faster GPU with hardware ray tracing and a doubling of neural engine speed.

The Galaxy S23 Ultra also has an efficient and powerful Qualcomm Snapdragon 8 Gen 2 chip. According to Samsung, the 4nm chip offers 30% CPU performance and 40% GPU performance improvement, all while providing better energy efficiency. than his predecessors

According to MacRumor, the base Galaxy S22 Ultra will start with 8GB of RAM with an optional 12GB variant, while the iPhone 15 Pro Max will come with 8GB of RAM. It should be noted that previous iPhone models had 6 GB of RAM. However, when it comes to multitasking, both devices deliver flawless performance.

While the iPhone 15 Pro Max is certainly a better choice for gamers, it’s unlikely you’ll encounter any performance issues with either device in normal day-to-day use.

Battery life and charging

The iPhone charges wirelessly with MagSafe
  • Samsung Galaxy S23 Ultra: 5000mAh battery; 45W fast wired charging; 15 W wireless charging; 4.5W reverse wireless charging; 70% charge in 30 minutes
  • iPhone 15 Pro Max: 4852 mAh battery; Fast wired charging 20 W; 15W MagSafe wireless charging; 7.5W with Qi wireless charging; 50% charge in 30 minutes

Fortunately, battery life on the Samsung Galaxy S23 Ultra and iPhone 15 Pro Max shouldn’t be an issue. According to reports, the iPhone 15 Pro Max has a bigger battery than its predecessor. However, Apple claims it can handle up to 29 hours of video playback, which is the same as the iPhone 14 Pro Max.

When it comes to charging speed, the S23 Ultra has the upper hand thanks to its support for 45W wired charging. Unfortunately, Apple still limits fast charging to 20W on the iPhone 15 Pro Max.

And unlike the iPhone 15 Pro Max, the S23 Ultra supports Wireless PowerShare, which means it can charge another phone, Galaxy Watch or Galaxy Buds.

One of the most significant upgrades of the iPhone 15 Pro Max is its change from the Lighting port to USB-C . Thanks to the USB-C upgrade, you can now charge your Apple Watch or AirPods with your iPhone.

Pricing and storage options

galaxy s23 ultra game
  • Samsung Galaxy S23 Ultra: $1,199 for 256GB; $1,379 for 512GB; $1,619 for 1 TB
  • iPhone 15 Pro Max: $1,199 for 256GB; $1,399 for 512GB; $1599 for 1 TB

Both the Galaxy S23 Ultra and the iPhone 15 Pro Max come with 256GB of base storage. Although 256 GB is more than enough for the average user, ask yourself how much storage space you need in your smartphone before choosing 512 GB or 1 TB .

The Galaxy S23 Ultra starts at $1,199 for the base model and goes up to $1,619. The iPhone 15 Pro Max starts at $1,199 for the base model and goes up to $1,599. Since both manufacturers offer a trade-in offer, you can save a lot when buying your new device.

Which flagship will you choose?

Choosing between the iPhone 15 Pro Max and the Galaxy S23 Ultra ultimately boils down to personal preference and individual needs. Both devices have raised the bar with exceptional features, powerful performance and high resolution cameras.

If you’ve been part of the Apple ecosystem for years and think it’s time to upgrade, you won’t regret buying the iPhone 15 Pro Max. However, if you think it’s time to dip your toes into another platform, we suggest getting the Galaxy S23 Ultra.