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MacBook Pro 14-inch M5 Max: how much memory?

The 40-core GPU version. Apple's starting price is €5.509 (NL, incl. VAT) / $4,699 (US, before tax). It does not say which memory size that buys. As of 2026-10-20, from apple.com.

Each size covers a different demand.

  • 48 GBCovers up to 38.4 GBPrice in Apple's configurator
  • 64 GBCovers up to 51.2 GBPrice in Apple's configurator
  • 128 GBCovers up to 102.4 GBPrice in Apple's configurator
Solid: the busy-hours demand a size covers. Pale: the 20% kept free.

Larger memory is priced inside Apple's configurator, so no number is shown where we cannot source one. Open the Apple store page.

Apple does not say which size the starting price buys, so this page starts at the smallest, 48 GB.

What the tool says at 48 GB.

If your two weeks on a 48 GB MacBook Pro 14-inch M5 Max (40-core GPU) look like this, the tool says:
  • Busy hours use 21.6 GB (comfortable), red pressure in 0% of capturesMore than you need: 32 GB is enough
  • Busy hours use 38.4 GB (at the planning line), red pressure in 0% of capturesRight-sized
  • Busy hours use 38.4 GB (pressured), red pressure in 8% of capturesUpgrade to 64 GB
  • Busy hours use 57.6 GB (pressured, heavier), red pressure in 8% of capturesUpgrade to 96 GB

Price against the other MacBooks.

€1.429€5.749

At €5.509 the MacBook Pro 14-inch M5 Max (40-core GPU) is the 10th cheapest of the 11 current MacBook variants, and in the middle of the MacBook Pro models, which run from €2.229 to €5.749.

When the chip, not the memory, is the limit.

Chip maxed out

20%

Graphics 80% or processor 90%, in 20% of readings.

The MacBook Pro 14-inch M5 Max (40-core GPU) has a 18-core CPU and a 40-core GPU. When the chip is the limit, more memory will not help. M5 Max is the top chip class in the catalog, so a maxed-out chip here means the limit is the machine.

The three nearest variants by price.

MacBookGPUMemoryFromAgainst the MacBook Pro 14-inch M5 Max (40-core GPU)
MacBook Pro 14-inch M5 Max (32-core GPU)32-core GPU36 GB€4.849 / $4,099€660 less
MacBook Pro 16-inch M5 Max (32-core GPU)32-core GPU36 GB€5.149 / $4,399€360 less
MacBook Pro 16-inch M5 Max (40-core GPU)40-core GPU48/64/128 GB€5.749 / $4,999€240 more

Questions about this model.

Is 48 GB enough on the MacBook Pro 14-inch M5 Max (40-core GPU)?

48 GB serves busy-hours demand up to 38.4 GB with 20% of memory free. If this Mac's memory pressure reaches red in 5% of captures or more, it is not enough. Reference: busy hours use 38.4 GB, red pressure in 8% of captures: "Upgrade to 64 GB".

What does the 128 GB option on the MacBook Pro 14-inch M5 Max (40-core GPU) cost?

Apple prices 128 GB inside its configurator and does not publish it on the store page, so we show no figure. The MacBook Pro 14-inch M5 Max (40-core GPU) starts at €5.509 (NL, incl. VAT) / $4,699 (US, before tax) as of 2026-10-20.

Which size should I buy instead of 48 GB?

Measure first. Two weeks of captures on your own Mac name the smallest size that clears your demand; for the MacBook Pro 14-inch M5 Max (40-core GPU) the sizes on offer are 48 GB, 64 GB, 128 GB.

Source: apple.com, checked 2026-10-20. NL prices include VAT, US prices are before sales tax, and both change. Buy from Apple (NL store). No affiliate links.

Apple lineup note: Starting RAM is null on purpose; the 16-inch 40-core variant starts at 48 GB.

Measure your own MacBook for two weeks, then get one verdict.

Get SizeMyLaptop

  1. Open Terminal

    Press Command and Space, type Terminal, press Return.

  2. Paste it and press Return

    One command installs the tool, checks its checksum, then starts recording. No password, no admin rights.

    curl -fsSL https://sizemylaptop.com/install.sh | bash -s -- --start

    Rather read it first? Download it, read it, then run it:

    curl -fsSLO https://sizemylaptop.com/install.sh && less install.sh && bash install.sh --start

  3. Done. Keep working as usual.

    After one to two weeks, run baseline report in Terminal (the installer prints the exact command). It stops recording by itself after 14 days and the report opens in your browser.

Free. Nothing leaves your Mac unless you click Share. No password, no admin rights. Needs Python 3 (a Mac without it shows Apple's one-time install window); installs nothing else.