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iPhone X 128GB — A11 · iOS · 128GB
Apple

iPhone X 128GB

A11 · iOS · 128GB

75
/ 100
From $999
VS
iPhone X 512GB — A11 · iOS · 512GB
Apple

iPhone X 512GB

A11 · iOS · 512GB

75
/ 100
From $1,199
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, iPhone X 128GB lands at 75 and iPhone X 512GB at 75. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick iPhone X 128GB if…

  • iOS ecosystem
  • Long update support
  • Polished hardware

Pick iPhone X 512GB if…

  • iOS ecosystem
  • Long update support
  • Polished hardware
iPhone X 128GB 75
vs
75 iPhone X 512GB

Score breakdown

iPhone X 128GB
75
cpu 75
gpu 73
camera 74
battery 69
display 72
design 75
iPhone X 512GB
75
cpu 75
gpu 73
camera 74
battery 69
display 72
design 75

Specs side-by-side

iPhone X 128GB versus iPhone X 512GB — full spec comparison
Spec iPhone X 128GB iPhone X 512GB
Chipset
A11
A11
Storage
128GB
512GB
OS
iOS 11
iOS 11
Release year
2017
2017

iPhone X 128GB

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

iPhone X 512GB

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

FAQ: iPhone X 128GB vs iPhone X 512GB

Which is better, iPhone X 128GB or iPhone X 512GB? +

Both score 75 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is iPhone X 128GB worth the price? +

At $999, iPhone X 128GB delivers a Specdex score of 75 — strongest in cpu.

Is iPhone X 512GB worth the price? +

At $1,199, iPhone X 512GB delivers a Specdex score of 75 — strongest in cpu.

Does iPhone X 128GB or iPhone X 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.