iPhone 15 Pro vs Galaxy S23
The iPhone 15 Pro and the Galaxy S23 are aimed squarely at each other: same class, different badges. Taken area by area, the iPhone 15 Pro wins 3 of 5. That doesn’t make the Galaxy S23 a bad choice, but it does set the baseline. Price is part of the story too: the Galaxy S23 launched at $199 less than the iPhone 15 Pro.
At a glance
- Display iPhone 15 Pro wins
- Performance iPhone 15 Pro wins
- Memory & Storage Tie
- Camera iPhone 15 Pro wins
- Battery & Charging Tie
- Price Galaxy S23 wins
- Display6.0
- Camera1.4
- Display5.4
- Camera1.4
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 has a 0.67 oz lighter build
Think of it as a tiebreaker rather than a deal-breaker: 5.93 oz for the Galaxy S23, 6.60 oz for the iPhone 15 Pro. Weight shows up every time you hold the phone above your face in bed or type one-handed for a long stretch.
-
The iPhone 15 Pro has a newer 3 nm chip process
Put simply, the iPhone 15 Pro is far ahead here: 3 nm compared with 4 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.
-
The iPhone 15 Pro has a dedicated 12 MP telephoto camera
On paper, the iPhone 15 Pro is a touch ahead here, listing 12 MP against 10 MP. A higher-resolution telephoto keeps more detail when you zoom, and gives the iPhone 15 Pro a stronger tool for portraits and distant subjects.
-
The iPhone 15 Pro has 14% higher peak brightness
A modest but measurable lead goes to the iPhone 15 Pro: 2,000 nits compared with 1,750 nits. Peak figures are usually reached only in short bursts or small areas of the screen, but a higher ceiling still helps outdoor visibility.
-
The Galaxy S23 has
On cpu cores, the Galaxy S23 comes in at 8 and the iPhone 15 Pro at 6. Treat the core count as background information; the chipset name tells you far more about real performance.
Design & Size
- iPhone 15 Pro 5.77 in × 2.78 in × 0.32 in
- Galaxy S23 5.76 in × 2.79 in × 0.30 in
In overall size, the iPhone 15 Pro and the Galaxy S23 are close enough that you’d struggle to tell them apart by dimensions alone. The iPhone 15 Pro is 0.67 oz heavier than the Galaxy S23. There’s 0.03 in of extra thickness on the iPhone 15 Pro.
Design & Build
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Height | 5.77 in | 5.76 in |
| Width | 2.78 in | 2.79 in |
| Thickness | 0.32 in | 0.30 in (winner) |
| Weight | 6.60 oz | 5.93 oz (winner) |
| Water & dust rating | IP68 | IP68 |
| Frame | Titanium | Armor Aluminum |
Display
iPhone 15 Pro leads
The iPhone 15 Pro clearly takes the display round. The iPhone 15 Pro scores with 14% higher peak brightness. Peak brightness decides how readable the screen stays in direct sunlight and how punchy HDR content looks. Anyone shopping mainly on display should start with the iPhone 15 Pro.
Peak brightness
iPhone 15 Pro: 2,000 nits Galaxy S23: 1,750 nits If you use your phone outdoors a lot, the iPhone 15 Pro’s brighter panel is the one that holds up better at midday.
Pixel density
iPhone 15 Pro: 460 ppi Galaxy S23: 425 ppi Pixel density matters most if you hold your phone close or read a lot of small type; for casual use, the gap is subtle.
Performance
iPhone 15 Pro leads
By a small margin, the iPhone 15 Pro is the stronger of the two in this area. Choose the iPhone 15 Pro and you get 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. The takeaway: on performance, the iPhone 15 Pro is the stronger phone.
Process node
iPhone 15 Pro: 3 nm Galaxy S23: 4 nm The iPhone 15 Pro’s chip is built on a more advanced process. That usually points to efficiency gains, though chip design matters just as much.
CPU cores
iPhone 15 Pro: 6 Galaxy S23: 8 Core count on its own says little about speed; how the chip is designed and how fast each core runs matter more.
Memory & Storage
Too close to call
Both the iPhone 15 Pro and the Galaxy S23 cover memory & storage equally well on paper. Bottom line for memory & storage: it’s a wash.
Camera
iPhone 15 Pro leads
The iPhone 15 Pro has the slight upper hand on camera. The iPhone 15 Pro pulls ahead with a dedicated 12 MP telephoto camera. A dedicated telephoto camera captures distant subjects and portraits without heavy cropping, which keeps detail intact. If this section decides it for you, choose the iPhone 15 Pro.
Telephoto camera
iPhone 15 Pro: 12 MP Galaxy S23: 10 MP Telephoto lenses earn their keep at concerts, school events and portraits: anywhere you can’t simply walk closer.
Battery & Charging
Too close to call
If battery & charging matters most to you, this section won’t make the decision for you: they’re level. On battery & charging alone, you can’t go far wrong with either.
Software & Updates
For software & updates, the spec sheet lists components and formats rather than figures we can rank. The table shows what the iPhone 15 Pro and the Galaxy S23 each bring.
Full Specifications
Display
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Screen size | 6.1 in | 6.1 in |
| Panel type | OLED, ProMotion 120 Hz (Super Retina XDR) | Dynamic AMOLED 2X |
| Resolution | 2556 x 1179 | 2340 x 1080 |
| Pixel density | 460 ppi (winner) | 425 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,000 nits (winner) | 1,750 nits |
| Always-on display | Yes | Yes |
Performance
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Chipset | A17 Pro | Snapdragon 8 Gen 2 for Galaxy |
| CPU cores | 6 | 8 |
| Process node | 3 nm (winner) | 4 nm |
| RAM | N/A (not specified) | 8 GB |
Memory & Storage
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Base storage | 128 GB | 128 GB |
| Max storage | 1 TB | N/A (not specified) |
| microSD slot | No | No |
Camera
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Main camera | 48 MP | 50 MP |
| Ultra-wide camera | 12 MP | 12 MP |
| Telephoto camera | 12 MP (winner) | 10 MP |
| Optical zoom | 3× | 3× |
| Rear cameras | 3 | 3 |
| Front camera | 12 MP | 12 MP |
| Max video | 4K60 Dolby Vision | 8K30 |
Battery & Charging
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Battery capacity | N/A (not specified) | 3,900 mAh |
| Rated video playbackManufacturer rating | 23 h | N/A (not specified) |
| Wired charging | N/A (not specified) | 25 W |
| Wireless charging | 15 W | 15 W |
| Port | USB-C (USB 3, 10 Gb/s) | USB-C |
Software & Updates
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| OS at launch | iOS 17 | Android 13 (One UI 5.1) |
| Promised OS updatesManufacturer commitment | N/A (not specified) | 4 years |
Design & Build
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Height | 5.77 in | 5.76 in |
| Width | 2.78 in | 2.79 in |
| Thickness | 0.32 in | 0.30 in (winner) |
| Weight | 6.60 oz | 5.93 oz (winner) |
| Water & dust rating | IP68 | IP68 |
| Frame | Titanium | Armor Aluminum |
Price
| Spec | iPhone 15 Pro | Galaxy S23 |
|---|---|---|
| Launch price | $999 | $800 (winner) |
“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
That’s $199 between the two launch prices, a spread of 25% that makes the Galaxy S23 the value-minded choice. What does the iPhone 15 Pro’s extra $199 actually get you? Mainly a newer 3 nm chip process and a dedicated 12 MP telephoto camera.
Prices shown are US launch prices as of September 2023. Retail prices change often, so it’s worth checking current offers.
Which One Should You Buy?
Choose the iPhone 15 Pro if…
- you care about efficiency under the hood (3 nm vs 4 nm process node)
- you want the stronger telephoto camera (12 MP vs 10 MP)
- you use your phone outdoors a lot (2,000 nits vs 1,750 nits peak brightness)
- you want the sharper screen (460 ppi vs 425 ppi)
Choose the Galaxy S23 if…
- you notice every gram in your pocket (5.93 oz vs 6.60 oz)
- you care about a thin profile in your pocket (0.30 in vs 0.32 in)
- you’re working to a firm budget and $199 matters
Also Compared
Frequently Asked Questions
Which is better for most people, the iPhone 15 Pro or the Galaxy S23?
For most people, the iPhone 15 Pro is the stronger choice, unless you know that a 0.67 oz lighter build would make a real difference in your routine.
Is the iPhone 15 Pro bigger than the Galaxy S23?
They’re practically the same size. The difference between the iPhone 15 Pro and the Galaxy S23 is too small to matter.
Which is faster, the iPhone 15 Pro or the Galaxy S23?
The iPhone 15 Pro should be the quicker of the two, with a newer 3 nm chip process on its side.
Which has the better camera, the iPhone 15 Pro or the Galaxy S23?
Going by the hardware, the iPhone 15 Pro comes out ahead: a dedicated 12 MP telephoto camera.
Which has the better screen, the iPhone 15 Pro or the Galaxy S23?
Going by the numbers, the iPhone 15 Pro’s screen comes out ahead: 14% higher peak brightness and 8.2% sharper pixel density.
Which costs less, the iPhone 15 Pro or the Galaxy S23?
The Galaxy S23 is the cheaper option, launching at $199 less than the iPhone 15 Pro (launch prices as of September 2023).
Executive Summary
Apple makes the iPhone 15 Pro, Samsung makes the Galaxy S23, and both want the same spot on your shortlist. Here’s where I land. For me, the deciding factor is that only the iPhone 15 Pro gives you a newer 3 nm chip process. A second reason: the iPhone 15 Pro comes with a dedicated 12 MP telephoto camera. The Galaxy S23’s strongest argument is a 0.67 oz lighter build.
The iPhone 15 Pro is for you if display tops your list; the Galaxy S23 is for you if portability does.
My pick: the iPhone 15 Pro, though I’d happily point you to the Galaxy S23 if you care more about a 0.67 oz lighter build than anything else.
Personal opinion based on the data above. Your priorities may differ.