128GB vs 64GB M4 Max MacBook Pro | Ultimate AI RAM Performance REVIEW
Credibility score: 71/100 — Mostly Credible. Mixed credibility - some claims are solid, others need verification.
BSmeter analyzed "128GB vs 64GB M4 Max MacBook Pro | Ultimate AI RAM Performance REVIEW" and rated it 71/100 for credibility (a BS score of 29/100 — mostly credible), on 2026-04-29. Its weakest claim — "Next year's MacBook will be faster than 128GB M4 Max" — scored 50/100 and was flagged as opinion. 21 claims were checked against the video transcript. Scores are produced by BSmeter's AI analysis of the transcript, not independent human verification.
Claims analyzed
Next year's MacBook will be faster than 128GB M4 Max — Opinion (50/100)
Teasing future-proofing debate — fair hype for a review 👀
Text-to-video runs on 64GB but bugs out on 128GB Metal Shaders — Personal Story (65/100)
Weird bug favoring the base model — classic Apple ecosystem quirk ⚠️
Some models require about 50 GB RAM — Solid (75/100)
👌
Check Activity Monitor green bar vs red for memory pressure — Verified (95/100)
✅
128GB M4 Max crashes on AI test while 64GB runs fine — Personal Story (70/100)
Demo shows crash live — that's real hardware drama 👀✅
"two star star 32" bug in Metal shaders since 2022 — Solid (75/100)
👌
Text-to-video generator uses ML models — Solid (80/100)
👌
128GB uses 96GB RAM, 64GB uses 59GB on same AI test — Solid (80/100)
✓💯
128GB is 50% slower than 64GB (22s vs 30s iter) — OK (65/100)
Math checks (22→30s is ~36% slower) but why tho? ⚠️
64GB RAM takes 21 min, 128GB takes 10 min for test — Solid (80/100)
👌
Lower res makes 64GB and 128GB same speed (3.5s/iter) — Solid (85/100)
👌
2-year-old Nvidia 380 10GB + 16GB RAM PC does video conversion 2x faster than M4 Max — Personal Story (65/100)
His benchmark, his rules — fair play 👌
Apple-approved CPU rendering solution running on M4 Max GPU — OK (60/100)
Apple-approved? Kinda — but GPU-via-CPU is awkward wording ⚠️
Consumer Nvidia cards limited to 24GB VRAM, not unified like Mac — Solid (80/100)
👌
Both systems took exactly 95s after reducing video resolution — Solid (75/100)
✅ Matching results post-res tweak
64GB MacBook uses 659GB RAM + 39GB swap in test — Personal Story (70/100)
Their hands-on test, can't verify remotely 👌
64GB hits out-of-memory error at 45GB swap, max 81GB — Personal Story (70/100)
Live crash demo on screen — that's real 👌
Heavy swap writing degrades SSD endurance faster — OK (65/100)
Directionally true but 'might' is doing heavy lifting ⚠️
Llama 3.1 405B crashes 64GB, uses 128GB on 128GB Mac — Personal Story (75/100)
Live load test failing in real time — legit demo ✅
M4 Max unified memory enables running large AI models on laptop — Opinion (50/100)
Fair take on Apple's unified memory flex 👌
128GB M4 Max runs 405B model (quantized); 64GB crashes hard — Personal Story (70/100)
Live demo showing exactly what they claim 👌
See the full analysis with sources and timestamps →