GPU comparison · updated 2026-10-12

H100 vs MI325X

H100 starts at $1.99/GPU-hour on-demand; MI325X starts at $3.80/GPU-hour on-demand. Compare the exact variants, memory and published specifications below. GPU spec numbers are not benchmarks.

Lowest on-demand rate for each GPU

$1.99/hr

47.6% cheaper at H100.

H100: $1.99 · MI325X: $3.80 per GPU-hour.

updated 2026-10-12. Price alone does not establish equivalent capacity or performance.

H100

H100 prices →

MI325X

MI325X prices →

Spec sheet

	H100	MI325X
Spec variant	H100 SXM	MI325X
Architecture	Hopper	CDNA 3
VRAM (spec variant)	80 GB	256 GB
FP16 TFLOPS (dense)	989	1307
Memory bandwidth	3350 GB/s	6000 GB/s
TDP	700 W	1000 W
Interconnect	NVLink 900GB/s	Infinity Fabric
Launched	2022	2024

What they cost to rent (2026-10-12)

	H100	MI325X
Cheapest on-demand $/hr	$1.99	$3.80
Cheapest spot/community $/hr	$0.94	$2.00
Cheapest source	Voltage Park	DigitalOcean
Providers offering it	34	2

Cheapest on-demand rate; the cheaper one is highlighted. Spot/marketplace tiers shown on the individual pages.

FAQ

Is the H100 cheaper to rent than the MI325X?

H100 is cheaper: the H100 rents from $1.99 per GPU-hour and the MI325X from $3.80 on-demand, updated 2026-10-12.

Which has more VRAM, H100 or MI325X?

The largest recorded H100 variant has 94 GB and the largest MI325X variant has 256 GB. Other variants may have less memory. The MI325X has more.

Compare more rental options: the screener · price movers · methodology.