AI accelerator memory specification methodology
Compares first-party reported memory capacity and bandwidth for a fixed, reviewed cross-vendor accelerator cohort.
- Version
- 1-datacenter-accelerators-v1-2026-07-26
- Published
- Jul 26, 2026
- Live boards
- 1
- Method ID
- ai-accelerator-memory-specs
Where the facts come from
- Source Policy
Only linked NVIDIA or AMD first-party product documentation and announcements; no reseller or inferred specifications.
How the order is produced
Memory capacity descending, then memory bandwidth descending, then stable entity slug.
When the method reruns
- event_driven_with_daily_review_check
Boards using this version
Only live, quality-gated boards appear. Each board opens on the exact published table and evidence path.
| Board | Primary measure | Rows | Confidence | Freshness | Board version | Cadence | Evidence |
|---|---|---|---|---|---|---|---|
| AI Accelerator Memory Specificationsai-accelerator-memory-specs | accelerator-memory-capacity-gb | 5 | 100% | current | 1-datacenter-accelerators-v1-2026-07-26 | event_driven_with_daily_review_check | Open board → |
Complete measurement ledger
These fields are stored with the methodology version. A changed contract must publish a new version before comparable movement can resume.
Cohort
- Name
NVIDIA H100 SXM
- Vendor
NVIDIA
- Entity Slug
nvidia-h100-sxm
- Form Factor
SXM
- Memory Type
HBM3
- Source Locator
H100 SXM GPU specifications
- Memory Capacity Gb
80
- Memory Bandwidth Tb S
3.35
- Name
NVIDIA H200 SXM
- Vendor
NVIDIA
- Entity Slug
nvidia-h200-sxm
- Form Factor
SXM
- Memory Type
HBM3e
- Source Locator
H200 GPU specifications
- Memory Capacity Gb
141
- Memory Bandwidth Tb S
4.8
- Name
NVIDIA B200 SXM
- Vendor
NVIDIA
- Source Url
- https://docs.nvidia.com/enterprise-reference-architectures/hgx-ai-factory/latest/components.html ↗
- Entity Slug
nvidia-b200-sxm
- Form Factor
SXM
- Memory Type
HBM3e
- Source Locator
NVIDIA HGX B200 GPU specifications
- Memory Capacity Gb
180
- Memory Bandwidth Tb S
8
- Name
AMD Instinct MI300X
- Vendor
AMD
- Entity Slug
amd-instinct-mi300x
- Form Factor
OAM
- Memory Type
HBM3
- Source Locator
MI300X accelerator specifications
- Memory Capacity Gb
192
- Memory Bandwidth Tb S
5.3
- Name
AMD Instinct MI325X
- Vendor
AMD
- Entity Slug
amd-instinct-mi325x
- Form Factor
OAM
- Memory Type
HBM3e
- Source Locator
MI325X memory capacity and bandwidth announcement
- Memory Capacity Gb
256
- Memory Bandwidth Tb S
6
Selection
A fixed, versioned set of generally available datacenter AI accelerators with first-party capacity and bandwidth values.
Reviewed At
2026-07-26T00:00:00+00:00
Missing Data
A missing source or value rejects the complete reviewed cohort.
Not Measured
- benchmark performance
- workload throughput
- price-performance
- power efficiency
- availability
- utilization
- GPU hours consumed
Rank Formula
Memory capacity descending, then memory bandwidth descending, then stable entity slug.
Review Due At
2026-10-24T00:00:00+00:00
Source Policy
Only linked NVIDIA or AMD first-party product documentation and announcements; no reseller or inferred specifications.
Universe Version
datacenter-accelerators-v1-2026-07-26