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RANK.AI DATA / LATEST PUBLICATION

AI Accelerator memory specifications

5 GPU types ranked by accelerator memory capacity.
AMD Instinct MI325X is out in front at 256 GB.

5 GPU typeschecked Jul 26, 2026, 12:00 AM UTCevent driven with daily review checkhow we measure this →CSV / JSON

Follow changes
In front today

AMD Instinct MI325X

256 GBaccelerator memory capacity

Ahead of second place
64
Middle of the board
180
Below half the leader
1 of 5
Highest 256 GBMiddle 180
1. AMD Instinct MI325X — 256 GB2. AMD Instinct MI300X — 192 GB3. NVIDIA B200 SXM — 180 GB4. NVIDIA H200 SXM — 141 GB5. NVIDIA H100 SXM — 80 GB
Rank 1one bar per published rowRank 5
WHY THIS RANK / VERIFIED SNAPSHOT

AMD Instinct MI325X

Compares first-party reported memory capacity and bandwidth for a fixed, reviewed cross-vendor accelerator cohort.

partialPermalink to this snapshot ↗

Some explanation inputs are unavailable Missing: comparablePriorRanking.

Published rank
#1
Score
256 GB
Sample size
2

100% confidence · 100% component coverage · as of Jul 26, 2026, 12:00 AM UTC

SCORE CONSTRUCTION

Component ledger

2/2 evidenced

All components available · 1 evidence record each

Components contributing to AMD Instinct MI325X's rank
ComponentValueWeightContribution
accelerator memory bandwidth tb s60%—
accelerator memory capacity GB256100%256
WHY IT MOVED

new since prior snapshot

No rank delta

no_prior_published_snapshot

No component moved since the prior snapshot.

PRIMARY EVIDENCE

Source trail

2 public records
  • Accelerator memory bandwidthaccelerator memory bandwidth tb s · observed Jul 26, 2026, 12:00 AM UTC6 TB/s100% confidence
    Source
    Official accelerator product specifications
    Grade
    A
    Freshness
    unknown
    Locator
    {"url":"https://www.amd.com/en/newsroom/press-releases/2024-10-10-amd-delivers-leadership-ai-performance-with-amd-in.html","locator":"MI325X memory capacity and bandwidth announcement"}
    Open primary evidence ↗
  • Accelerator memory capacityaccelerator memory capacity GB · observed Jul 26, 2026, 12:00 AM UTC256 GB100% confidence
    Source
    Official accelerator product specifications
    Grade
    A
    Freshness
    unknown
    Locator
    {"url":"https://www.amd.com/en/newsroom/press-releases/2024-10-10-amd-delivers-leadership-ai-performance-with-amd-in.html","locator":"MI325X memory capacity and bandwidth announcement"}
    Open primary evidence ↗
REPRODUCIBILITYAI accelerator memory specification methodology · v1-datacenter-accelerators-v1-2026-07-2610 observations · 1 sources · passed quality
Snapshot
03e847dc-25f5-4303-9048-b6d2f827259c
Data hash
f13bf3086e929eb2382ffdc6f38e77973ea24ab866e0fbaa2db2adcf65c33d42
Method hash
2a49b373bf2f74f983b37a9b903d684470fd257ac30baf3a99a316fae82fdaac

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