

Samsung Galaxy S23 Ultra vs iPhone 15 Pro Max
The Galaxy S23 Ultra and the iPhone 15 Pro Max compete for the same spot on your shortlist, with Samsung and Apple each making its case. If you only read one line, make it this: the Galaxy S23 Ultra takes 1 of 5 compared areas, and the camera gap is the one to look at first.
At a glance
- Display Trade-off
- Performance iPhone 15 Pro Max wins
- Memory & Storage Tie
- Camera Galaxy S23 Ultra wins
- Battery & Charging Tie
- Price iPhone 15 Pro Max wins
- Display6.3
- Memory & Storage4.5
- Camera6.1
- Display6.0
- Memory & Storage4.5
- Camera2.2
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
-
The Galaxy S23 Ultra has 10× optical zoom versus 5×
If optical zoom is one of your priorities, this settles it: the Galaxy S23 Ultra leads clearly with 10× to the iPhone 15 Pro Max’s 5×. Digital zoom can fake reach, but optical zoom is where the detail actually comes from.
-
The Galaxy S23 Ultra has a higher-resolution 200 MP main camera
The numbers aren’t close. The Galaxy S23 Ultra lists 200 MP for main camera, while the iPhone 15 Pro Max lists 48 MP. Megapixels are only one part of image quality, so treat this as a sign of detail potential, not a verdict on photos.
-
The Galaxy S23 Ultra has an extra rear camera
A clear win for the Galaxy S23 Ultra: 4 against 3. Few specs in this matchup are as one-sided. An extra rear camera usually means another focal length (ultra-wide, telephoto or macro) and more freedom in framing.
-
The iPhone 15 Pro Max has a 0.46 oz lighter build
The iPhone 15 Pro Max has a modest edge on weight: 7.80 oz against 8.25 oz for the Galaxy S23 Ultra. A few grams won’t matter, but bigger gaps add up in a pocket or a small bag over a full day.
-
The iPhone 15 Pro Max has a newer 3 nm chip process
Here the iPhone 15 Pro Max pulls well ahead of the Galaxy S23 Ultra, with 3 nm compared to 4 nm. The iPhone 15 Pro Max’s chip is built on a more advanced process. That usually points to efficiency gains, though chip design matters just as much.
Design & Size
- Galaxy S23 Ultra 6.43 in × 3.07 in × 0.35 in
- iPhone 15 Pro Max 6.30 in × 3.02 in × 0.32 in
The iPhone 15 Pro Max is the smaller phone here, which some buyers will see as a plus and others as a compromise. Weight goes to the iPhone 15 Pro Max, which sheds 0.46 oz compared with the Galaxy S23 Ultra. The iPhone 15 Pro Max is 0.03 in thinner than the Galaxy S23 Ultra.
Design & Build
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Height | 6.43 in | 6.30 in |
| Width | 3.07 in | 3.02 in |
| Thickness | 0.35 in | 0.32 in (winner) |
| Weight | 8.25 oz | 7.80 oz (winner) |
| Water & dust rating | IP68 | IP68 |
| Frame | Armor Aluminum | Titanium |
Display
Trade-off
Neither has the whole package on display. The Galaxy S23 Ultra has 8.7% sharper pixel density, while the iPhone 15 Pro Max has 14% higher peak brightness. If you’re torn on display, the other sections may help break the tie.
Peak brightness
Galaxy S23 Ultra: 1,750 nits iPhone 15 Pro Max: 2,000 nits If you use your phone outdoors a lot, the iPhone 15 Pro Max’s brighter panel is the one that holds up better at midday.
Pixel density
Galaxy S23 Ultra: 500 ppi iPhone 15 Pro Max: 460 ppi Higher pixel density keeps text and fine detail crisper, although the benefit shrinks once both panels are already sharp at normal viewing distance.
Performance
iPhone 15 Pro Max leads
The Galaxy S23 Ultra keeps it close on performance, yet the iPhone 15 Pro Max holds a small lead. The iPhone 15 Pro Max stands out with a newer 3 nm chip process. Process numbers are partly marketing labels these days, so read this as a hint about efficiency rather than a verdict. On performance alone, the iPhone 15 Pro Max gets the nod.
Process node
Galaxy S23 Ultra: 4 nm iPhone 15 Pro Max: 3 nm A finer process node generally lets a chip do the same work with less power, which can mean cooler running and better battery life.
CPU cores
Galaxy S23 Ultra: 8 iPhone 15 Pro Max: 6 Treat the core count as background information; the chipset name tells you far more about real performance.
Memory & Storage
Too close to call
Evenly matched is the fairest summary of the memory & storage section. In short, memory & storage is a draw; the decision lies elsewhere.
Camera
Galaxy S23 Ultra leads
The Galaxy S23 Ultra clearly takes the camera round. Here the Galaxy S23 Ultra offers 10× optical zoom versus 5×. Higher optical zoom lets you frame distant subjects tightly without losing detail to digital cropping. Choose the iPhone 15 Pro Max and you get a dedicated 12 MP telephoto camera. Bottom line for camera: the Galaxy S23 Ultra has the edge.
Optical zoom
Galaxy S23 Ultra: 10× iPhone 15 Pro Max: 5× The Galaxy S23 Ultra reaches further with real optics, which pays off for wildlife, stages and sports from the stands.
Main camera
Galaxy S23 Ultra: 200 MP iPhone 15 Pro Max: 48 MP More megapixels on the main camera allow bigger crops and more detail in good light, but sensor size and processing matter just as much.
Battery & Charging
Too close to call
Swap one for the other and you’d lose nothing on battery & charging. Treat battery & charging as common ground and look elsewhere for the deciding factor.
Software & Updates
This area doesn’t reduce to a single number. The table shows the software & updates details for both, so you can judge what matters to you.
Full Specifications
Display
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Screen size | 6.8 in | 6.7 in |
| Panel type | Dynamic AMOLED 2X | OLED, ProMotion 120 Hz (Super Retina XDR) |
| Resolution | 3088 x 1440 | 2796 x 1290 |
| Pixel density | 500 ppi (winner) | 460 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,750 nits | 2,000 nits (winner) |
| Always-on display | Yes | Yes |
Performance
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Chipset | Snapdragon 8 Gen 2 for Galaxy | A17 Pro |
| CPU cores | 8 | 6 |
| Process node | 4 nm | 3 nm (winner) |
| RAM | 8 GB | N/A (not specified) |
Memory & Storage
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Base storage | 256 GB | 256 GB |
| Max storage | 1 TB | 1 TB |
| microSD slot | No | No |
Camera
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Main camera | 200 MP (winner) | 48 MP |
| Ultra-wide camera | 12 MP | 12 MP |
| Telephoto camera | 10 MP | 12 MP (winner) |
| Optical zoom | 10× (winner) Longest zoom in class | 5× |
| Rear cameras | 4 (winner) | 3 |
| Front camera | 12 MP | 12 MP |
| Max video | 8K30 | 4K60 Dolby Vision |
Battery & Charging
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Battery capacity | 5,000 mAh | N/A (not specified) |
| Rated video playbackManufacturer rating | N/A (not specified) | 29 h |
| Wired charging | 45 W | N/A (not specified) |
| Wireless charging | 15 W | 15 W |
| Port | USB-C | USB-C (USB 3, 10 Gb/s) |
Software & Updates
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| OS at launch | Android 13 (One UI 5.1) | iOS 17 |
| Promised OS updatesManufacturer commitment | 4 years | N/A (not specified) |
Design & Build
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Height | 6.43 in | 6.30 in |
| Width | 3.07 in | 3.02 in |
| Thickness | 0.35 in | 0.32 in (winner) |
| Weight | 8.25 oz | 7.80 oz (winner) |
| Water & dust rating | IP68 | IP68 |
| Frame | Armor Aluminum | Titanium |
Price
| Spec | Galaxy S23 Ultra | iPhone 15 Pro Max |
|---|---|---|
| Launch price | $1,200 | $1,199 |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Price & Value
With just $1 between them at launch, the iPhone 15 Pro Max and the Galaxy S23 Ultra are priced as near equals. What does the Galaxy S23 Ultra’s extra $1 actually get you? Mainly 10× optical zoom versus 5× and a higher-resolution 200 MP main camera.
Based on US launch pricing as of September 2023. Deals and regional pricing can change the picture.
Which One Should You Buy?
Choose the Galaxy S23 Ultra if…
- you want more optical reach (10× vs 5×)
- you want the higher-resolution main camera (200 MP vs 48 MP)
- you want more lenses to choose from (4 vs 3 rear cameras)
- you notice fine detail in text and photos (500 ppi vs 460 ppi pixel density)
Choose the iPhone 15 Pro Max if…
- you notice every gram in your pocket (7.80 oz vs 8.25 oz)
- you want a chip built on a finer process (3 nm vs 4 nm)
- you want the stronger telephoto camera (12 MP vs 10 MP)
- you want the screen that stays readable on sunny days (2,000 nits vs 1,750 nits)
- you’d rather keep $1 in your pocket
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Frequently Asked Questions
Which is better for most people, the Galaxy S23 Ultra or the iPhone 15 Pro Max?
The Galaxy S23 Ultra makes more sense overall. Consider the alternative only if you need a 0.46 oz lighter build, which only the iPhone 15 Pro Max offers.
Is the Galaxy S23 Ultra bigger than the iPhone 15 Pro Max?
The iPhone 15 Pro Max is actually the more compact one. It measures 6.30 × 3.02 × 0.32 in, while the Galaxy S23 Ultra comes in at 6.43 × 3.07 × 0.35 in.
Does the Galaxy S23 Ultra perform better than the iPhone 15 Pro Max?
Going by the specs, the iPhone 15 Pro Max comes out ahead: it offers a newer 3 nm chip process.
Which has the better camera, the Galaxy S23 Ultra or the iPhone 15 Pro Max?
The Galaxy S23 Ultra has the edge for photography, offering 10× optical zoom versus 5× and a higher-resolution 200 MP main camera.
Is the Galaxy S23 Ultra cheaper than the iPhone 15 Pro Max?
At launch, the iPhone 15 Pro Max undercut the Galaxy S23 Ultra by $1. These figures are as of September 2023, and street prices can change.
Which weighs less, the Galaxy S23 Ultra or the iPhone 15 Pro Max?
The Galaxy S23 Ultra is the heavier of the two; the iPhone 15 Pro Max saves 0.46 oz.
Executive Summary
I don’t have a favorite brand in this fight between the Galaxy S23 Ultra and the iPhone 15 Pro Max. I just have opinions about the numbers. The biggest reason I lean toward the Galaxy S23 Ultra is simple: it has 10× optical zoom versus 5×. Plus, the Galaxy S23 Ultra gets an extra rear camera, which I wouldn’t overlook. Credit where it’s due: the iPhone 15 Pro Max offers a 0.46 oz lighter build.
The Galaxy S23 Ultra is built for people who weigh camera heavily, and the iPhone 15 Pro Max for people who weigh performance.
My pick: the Galaxy S23 Ultra, and I’d only look at the iPhone 15 Pro Max if you’d trade the rest for a 0.46 oz lighter build.
Personal opinion based on the data above. Your priorities may differ.