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iPhone 15 Plus 128GB — A16 · iOS · 128GB
Apple

iPhone 15 Plus 128GB

A16 · iOS · 128GB

87
/ 100
From $899
VS
iPhone 15 Plus 512GB — A16 · iOS · 512GB
Apple

iPhone 15 Plus 512GB

A16 · iOS · 512GB

87
/ 100
From $1,099
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, iPhone 15 Plus 128GB lands at 87 and iPhone 15 Plus 512GB at 87. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick iPhone 15 Plus 128GB if…

  • ✓iOS ecosystem
  • ✓Long update support
  • ✓Polished hardware

Pick iPhone 15 Plus 512GB if…

  • ✓iOS ecosystem
  • ✓Long update support
  • ✓Polished hardware
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Photography

Tie

Stills and video quality across lenses

Effectively tied — neither pulls a 2-point weighted lead.

Battery life

Tie

Screen-on time and charging

Effectively tied — neither pulls a 2-point weighted lead.

Performance

Tie

Chipset speed for gaming and heavy apps

Effectively tied — neither pulls a 2-point weighted lead.

Display

Tie

Panel quality, brightness, refresh rate

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

iPhone 15 Plus 128GB

Specdex score per dollar at MSRP

iPhone 15 Plus 128GB more score per dollar ($899 vs $1,099).

iPhone 15 Plus 128GB 87
vs
87 iPhone 15 Plus 512GB

Score breakdown

iPhone 15 Plus 128GB
87
cpu 87
gpu 85
camera 86
battery 81
display 84
design 87
iPhone 15 Plus 512GB
87
cpu 87
gpu 85
camera 86
battery 81
display 84
design 87

Specs side-by-side

iPhone 15 Plus 128GB versus iPhone 15 Plus 512GB — full spec comparison
Spec iPhone 15 Plus 128GB iPhone 15 Plus 512GB
Chipset
A16
A16
Storage
128GB
▲ 512GB
OS
iOS 17
iOS 17
Release year
2023
2023

iPhone 15 Plus 128GB

Pros
  • +iOS ecosystem
  • +Long update support
  • +Polished hardware
Cons
  • −Premium pricing
  • −Limited customization
  • −Lightning/USB-C split across generations

iPhone 15 Plus 512GB

Pros
  • +iOS ecosystem
  • +Long update support
  • +Polished hardware
Cons
  • −Premium pricing
  • −Limited customization
  • −Lightning/USB-C split across generations

FAQ: iPhone 15 Plus 128GB vs iPhone 15 Plus 512GB

Which is better, iPhone 15 Plus 128GB or iPhone 15 Plus 512GB? +

Both score 87 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is iPhone 15 Plus 128GB worth the price? +

At $899, iPhone 15 Plus 128GB delivers a Specdex score of 87 — strongest in cpu.

Is iPhone 15 Plus 512GB worth the price? +

At $1,099, iPhone 15 Plus 512GB delivers a Specdex score of 87 — strongest in cpu.

Does iPhone 15 Plus 128GB or iPhone 15 Plus 512GB 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.

Which is the better value, iPhone 15 Plus 128GB or iPhone 15 Plus 512GB? +

iPhone 15 Plus 128GB — more score per dollar ($899 vs $1,099). Specdex score per dollar at MSRP.