AMD MI325X
vs
Nvidia H800
Two data center GPUs, one CDNA 3 and one Hopper: 256 GB HBM3e against 80 GB HBM2e and 3x the memory bandwidth on the MI325X.
At a glance
Memory
- MI325X
- 256 GB
- H800
- 80 GB
3.2x more on MI325X
Memory bandwidth
- MI325X
- 6.00 TB/s
- H800
- 2.00 TB/s
3x higher on MI325X
Cheapest on-demand
- MI325X
- $2.25 /GPU/hr
- H800
- --
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
| Billing | MI325X | H800 | Difference |
|---|---|---|---|
| On-demand | $3.07 /GPU/hr from $2.25 | No on-demand listings | |
| Reserved | $1.95 /GPU/hr from $1.48 (12 mo) | No reserved listings | |
| Spot | Sold out | No spot listings |
Heads up: A provider's own page may quote a different figure, for example on tax, region or a promotion. A monthly-only plan shows a derived hourly rate. Medians are across providers, one vote each, so a large catalog does not outweigh a small one. Verify before provisioning. More on how we price.
Price history
MI325X vs H800 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI325X | H800 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 256 GB HBM3e | 80 GB HBM2e | 3.2x more on MI325X |
| Bandwidth | 6,000 GB/s | 2,000 GB/s | 3x higher on MI325X |
| Bus width | 8,192-bit | 5,120-bit | 1.6x wider on MI325X |
| Compute · dense | |||
| FP8 | 2,614.9 TFLOPS | 1,513 TFLOPS | 1.7x higher on MI325X |
| FP16 / BF16 | 1,307.4 TFLOPS | 756.5 TFLOPS | 1.7x higher on MI325X |
| INT8 | 2,614.9 TOPS | 1,513 TOPS | 1.7x higher on MI325X |
| FP32 | 163.4 TFLOPS | 51 TFLOPS | 3.2x higher on MI325X |
| FP64 | 81.7 TFLOPS | ||
| Platform | |||
| Interconnect | Infinity Fabric 896 GB/s | NVLink 400 GB/s | 2.2x higher on MI325X |
| Board power | 1,000 W | 350 W | 2.9x higher on MI325X |
| Released | Q4 2024 | Q1 2023 | 2 years newer on MI325X |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP8FP16BF16TF32FP32FP64INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI325X datasheet .
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | MI325X /GPU/hr | H800 /GPU/hr |
|---|---|---|
Bentaus
|
On-Demand $2.25 | -- |
Cyfuture AI
|
On-Demand $3.02 | -- |
DigitalOcean
|
On-Demand $3.80 | -- |
TensorWave
|
Custom $2.25 | -- |
Vultr
|
Spot $2.00 | -- |
Similar GPUs
Other comparisons in the same class.
Our data for AMD MI325X was last updated on Sept. 7, 2026, and for Nvidia H800 on Sept. 7, 2026.