AMD MI300X
vs
Nvidia H800
Two data center GPUs, one CDNA 3 and one Hopper: 192 GB HBM3 against 80 GB HBM2e and 2.6x the memory bandwidth on the MI300X.
At a glance
Updated 4 minutes ago- Memory
- 192 GB
- HBM3
- Memory bandwidth
- 5.30 TB/s
- From
- $2.39 /GPU/hr
- 10 providers
- Memory
- 80 GB
- HBM2e
- Memory bandwidth
- 2.00 TB/s
- From
- --
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | MI300X | H800 | Difference |
|---|---|---|---|
| On-demand | $2.39 | -- | |
| Spot | $1.60 | No spot listings | |
| Reserved | $1.61 | No reserved listings | |
| Median | $2.91 | -- |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
MI300X vs H800 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI300X | H800 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 192 GB HBM3 | 80 GB HBM2e | 2.4x more on MI300X |
| Bandwidth | 5,300 GB/s | 2,000 GB/s | 2.6x higher on MI300X |
| Bus width | 8,192-bit | 5,120-bit | 1.6x wider on MI300X |
| Compute · dense | |||
| FP8 | 2,614.9 TFLOPS | 1,513 TFLOPS | 1.7x higher on MI300X |
| FP16 / BF16 | 1,307.4 TFLOPS | 756.5 TFLOPS | 1.7x higher on MI300X |
| INT8 | 2,614.9 TOPS | 1,513 TOPS | 1.7x higher on MI300X |
| FP32 | 163.4 TFLOPS | 51 TFLOPS | 3.2x higher on MI300X |
| FP64 | 81.7 TFLOPS | ||
| Platform | |||
| Interconnect | Infinity Fabric 896 GB/s | NVLink 400 GB/s | 2.2x higher on MI300X |
| Board power | 750 W | 350 W | 2.1x higher on MI300X |
| Released | Q4 2023 | Q1 2023 | 9 months newer on MI300X |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP8FP16BF16TF32FP32FP64INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI300X datasheet .
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | MI300X /GPU/hr | H800 /GPU/hr |
|---|---|---|
|
|
On-Demand $2.39 | -- |
|
|
On-Demand $2.59 | -- |
|
|
On-Demand $2.78 | -- |
|
|
On-Demand $2.99 | -- |
|
|
On-Demand $6.00 | -- |
|
|
On-Demand $7.86 | -- |
|
|
Reserved (12mo) $3.12 | -- |
|
|
Reservation on request | -- |
10 providers list the MI300X and 0 the H800. Every listing is on the MI300X page and the H800 page.
Similar GPUs
Other comparisons in the same class.
Our data for AMD MI300X was last updated on Sept. 7, 2026, and for Nvidia H800 on Sept. 7, 2026.