Instinct MI300X specs

AMD · Shipping now · first available Dec 2023. Dense compute, memory, bandwidth and power from the vendor's documents; each precision stays separate.

All accelerators · Compare with Instinct MI325X

Specifications

Instinct MI300X specifications
Dense BF16 · FP32 accumulate1,307 TFLOPS
Dense FP8 · FP32 accumulate2,614 TFLOPS
Dense FP4 · FP32 accumulateNot published
Memory192 GB · HBM
Memory bandwidth5.3 TB/s
Maximum chip power750 W
InterconnectInfinity Fabric
Process nodeTSMC 5/6nm
First availabilityDec 2023
AvailabilityShipping

CDNA 3 chiplet design; led on memory capacity at launch.

Dense tensor rates with FP32 accumulation, never sparse or FP16-accumulate headline figures. Memory is in decimal GB. The est marker flags a value its vendor-document review did not confirm.

Rent it

$2.99/GPU-hrCheapest on-demand · Hot Aisle · observed

2 providers: Hot Aisle, Oracle OCI. Quotes checked through .

MI300X rental prices from every provider →

Value ratios

Instinct MI300X derived ratios
$ per dense BF16 PFLOP-hour$2.29
Dense BF16 TFLOPS per watt1.74
Bandwidth bytes per 1,000 BF16 FLOP4.06
$ per dense FP8 PFLOP-hour$1.14
Dense FP8 TFLOPS per watt3.49
Bandwidth bytes per 1,000 FP8 FLOP2.03
$ per GB of memory per hour$0.016

Prices divide the cheapest on-demand list price; theoretical ratios do not measure application speed.

Sources

Specifications reviewed . Dense rates confirmed; the datasheet's more precise 1,307.4/2,614.9 TFLOPS round to the table values.

First availability: AMD Advancing AI 2023 ↗ (2023-12-06): “announced the availability of the AMD Instinct MI300X”

Rental price: Hot Aisle published pricing ↗ (1x AMD MI300X 192GB VM (Small plan); 8 or 13 CPU cores and 224GB system RAM per VM; published per GPU-hour; billed by the minute).

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