Apple
iPhone 15 128GB
A16 · iOS · 128GB
86
/ 100
From $799
VS
Apple
iPhone 15 256GB
A16 · iOS · 256GB
86
/ 100
From $899
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, iPhone 15 128GB lands at 86 and iPhone 15 256GB at 86. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick iPhone 15 128GB if…
- ✓iOS ecosystem
- ✓Long update support
- ✓Polished hardware
Pick iPhone 15 256GB if…
- ✓iOS ecosystem
- ✓Long update support
- ✓Polished hardware
iPhone 15 128GB 86
vs 86 iPhone 15 256GB
Score breakdown
iPhone 15 128GB
86 cpu 86
gpu 84
camera 85
battery 80
display 83
design 86
iPhone 15 256GB
86 cpu 86
gpu 84
camera 85
battery 80
display 83
design 86
Specs side-by-side
| Spec | iPhone 15 128GB | iPhone 15 256GB |
|---|---|---|
| Chipset | A16 | A16 |
| Storage | 128GB | ▲ 256GB |
| OS | iOS 17 | iOS 17 |
| Release year | 2023 | 2023 |
iPhone 15 128GB
Pros
- +iOS ecosystem
- +Long update support
- +Polished hardware
Cons
- −Premium pricing
- −Limited customization
- −Lightning/USB-C split across generations
iPhone 15 256GB
Pros
- +iOS ecosystem
- +Long update support
- +Polished hardware
Cons
- −Premium pricing
- −Limited customization
- −Lightning/USB-C split across generations
FAQ: iPhone 15 128GB vs iPhone 15 256GB
Which is better, iPhone 15 128GB or iPhone 15 256GB? +
Both score 86 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is iPhone 15 128GB worth the price? +
At $799, iPhone 15 128GB delivers a Specdex score of 86 — strongest in cpu.
Is iPhone 15 256GB worth the price? +
At $899, iPhone 15 256GB delivers a Specdex score of 86 — strongest in cpu.
Does iPhone 15 128GB or iPhone 15 256GB last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.