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HardwareLadder
AI GPU ladder

AMDAI GPU · OAM

MI250X

AMD Instinct MI250X is a CDNA 2 data-center accelerator with 128 GB HBM2e and 3.28 TB/s of memory bandwidth.

Ladder rank
#11
AI index (H100 SXM = 100)
61.6
Series
Instinct MI200

Specifications

Dense throughput, no sparsity
Architecture CDNA 2
Form factor OAM
Process TSMC 6 nm
FP16 / BF16 tensor (dense) 383 TFLOPS
FP8 tensor (dense) —
FP4 tensor (dense) —
Memory 128 GB HBM2e
Memory bandwidth 3.28 TB/s
Power 500 W
Launch Nov 2021

AI index

Tensor × bandwidth

100 × √((383 ÷ 989.4) × (3.28 ÷ 3.35)) = 61.6

The AI index is the geometric mean of dense 16-bit tensor throughput and memory bandwidth, each relative to the H100 SXM. It is a spec-sheet comparison, not a measured benchmark.

Sources

2 references