GPU comparison · updated 2026-10-12

MI300X vs H100

MI300X starts at $2.39/GPU-hour on-demand; H100 starts at $1.99/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

16.7% cheaper at H100.

MI300X: $2.39 · H100: $1.99 per GPU-hour.

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

MI300X

MI300X prices →

H100

H100 prices →

Spec sheet

	MI300X	H100
Spec variant	MI300X	H100 SXM
Architecture	CDNA 3	Hopper
VRAM (spec variant)	192 GB	80 GB
FP16 TFLOPS (dense)	1307	989
Memory bandwidth	5300 GB/s	3350 GB/s
TDP	750 W	700 W
Interconnect	Infinity Fabric	NVLink 900GB/s
Launched	2023	2022

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

	MI300X	H100
Cheapest on-demand $/hr	$2.39	$1.99
Cheapest spot/community $/hr	–	$0.94
Cheapest source	RunPod	Voltage Park
Providers offering it	5	34

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

FAQ

Is the MI300X cheaper to rent than the H100?

H100 is cheaper: the MI300X rents from $2.39 per GPU-hour and the H100 from $1.99 on-demand, updated 2026-10-12.

Which has more VRAM, MI300X or H100?

The largest recorded MI300X variant has 192 GB and the largest H100 variant has 94 GB. Other variants may have less memory. The MI300X has more.

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