AMD MI325X
vs
Nvidia B100
Two data center GPUs, one CDNA 3 and one Blackwell: 256 GB HBM3e against up to 192 GB HBM3e and 33% more memory bandwidth on the B100.
At a glance
Updated 6 minutes ago- Memory
- 256 GB
- HBM3e
- Memory bandwidth
- 6.00 TB/s
- From
- $2.25 /GPU/hr
- 5 providers
- Memory
- 192 GB
- HBM3e
- Memory bandwidth
- 8.00 TB/s
- From
- --
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | MI325X | B100 | Difference |
|---|---|---|---|
| On-demand | $2.25 | -- | |
| Reserved | $1.48 | No reserved listings | |
| Median | $3.07 | -- |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
MI325X vs B100 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI325X | B100 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 256 GB HBM3e | 192 GB HBM3e | 1.3x more on MI325X |
| Bandwidth | 6,000 GB/s | 8,000 GB/s | 1.3x higher on B100 |
| Bus width | 8,192-bit | ||
| Compute · dense | |||
| FP4 | Not supported | 7,000 TFLOPS | B100 only |
| FP8 | 2,614.9 TFLOPS | 3,500 TFLOPS | 1.3x higher on B100 |
| FP16 / BF16 | 1,307.4 TFLOPS | 1,750 TFLOPS | 1.3x higher on B100 |
| INT8 | 2,614.9 TOPS | 3,500 TOPS | 1.3x higher on B100 |
| FP32 | 163.4 TFLOPS | 60 TFLOPS | 2.7x higher on MI325X |
| FP64 | 81.7 TFLOPS | 30 TFLOPS | 2.7x higher on MI325X |
| Platform | |||
| Interconnect | Infinity Fabric 896 GB/s | NVLink 1,800 GB/s | 2x higher on B100 |
| Released | Q4 2024 | Q4 2024 | |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP4FP6FP8FP16BF16TF32FP32FP64INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI325X datasheet and B100 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | MI325X /GPU/hr | B100 /GPU/hr |
|---|---|---|
|
|
On-Demand $2.25 | -- |
|
|
On-Demand $3.02 | -- |
|
|
On-Demand $3.80 | -- |
|
|
Custom $2.25 | -- |
|
|
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 B100 on Sept. 7, 2026.