AMD MI325X
vs
Nvidia B300
The B300 has 13% more memory and 33% more bandwidth. The MI325X is typically cheaper.
At a glance
Memory
13% more on B300
- MI325X
- 256 GB
- B300
- 288 GB
Memory bandwidth
33% higher on B300
- MI325X
- 6.00 TB/s
- B300
- 8.00 TB/s
Cheapest on-demand
55% cheaper on MI325X
- MI325X
- $2.25 /GPU/hr
- B300
- $4.99 /GPU/hr
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
| Billing | MI325X | B300 | Difference |
|---|---|---|---|
| On-demand | $3.09 /GPU/hr from $2.25 | $8.99 /GPU/hr from $4.99 | 66% cheaper on MI325X |
| Reserved | $1.95 /GPU/hr from $1.49 (12 mo) | $5.46 /GPU/hr from $4.25 | 64% cheaper on MI325X |
| Spot | Sold out | $6.17 /GPU/hr from $4.08 |
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 B300 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI325X | B300 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 256 GB HBM3e | 288 GB HBM3e | 13% more on B300 |
| Bandwidth | 6,000 GB/s | 8,000 GB/s | 33% higher on B300 |
| Bus width | 8,192-bit | 8,192-bit | Identical |
| Compute · dense | |||
| FP4 | Not supported | 14,000 TFLOPS | B300 only |
| FP8 | 2,614.9 TFLOPS | 4,500 TFLOPS | 72% higher on B300 |
| FP16 / BF16 | 1,307.4 TFLOPS | 2,250 TFLOPS | 72% higher on B300 |
| INT8 | 2,614.9 TOPS | 153.5 TOPS | 17x higher on MI325X |
| FP32 | 163.4 TFLOPS | 75 TFLOPS | 2.2x higher on MI325X |
| FP64 | 81.7 TFLOPS | 1.2 TFLOPS | 68x higher on MI325X |
| Platform | |||
| Interconnect | Infinity Fabric 896 GB/s | NVLink 1,800 GB/s | 2x higher on B300 |
| Board power | 1,000 W | 1,100 W | 10% higher on B300 |
| Released | Q4 2024 | Q1 2025 | |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP4FP6FP8FP16BF16TF32FP32FP64INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI325X datasheet and B300 datasheet.
Where to rent them
Providers that rent these GPUs, with each one's cheapest rate. No provider we track offers both right now.
| Provider | MI325X | B300 |
|---|---|---|
Bentaus
USA
|
$2.25 /GPU/hr On-demand | -- |
Cyfuture AI
India
|
$3.06 /GPU/hr On-demand | -- |
DigitalOcean
USA
|
$3.80 /GPU/hr On-demand | -- |
TensorWave
USA
|
$2.25 /GPU/hr Custom OAM | -- |
Vultr
USA
|
$2.00 /GPU/hr Spot | -- |
Daytona
USA
|
-- | $7.10 /GPU/hr On-demand |
UpCloud
Finland
|
-- | $7.99 /GPU/hr On-demand SXM |
GPU.ai
UAE
|
-- | $8.99 /GPU/hr On-demand SXM |
Runpod
USA
|
-- | $8.99 /GPU/hr On-demand SXM |
Lium
Distributed
|
-- | $9.25 /GPU/hr On-demand SXM |
Spheron
Singapore
|
-- | $12.41 /GPU/hr On-demand SXM |
Runcrate
USA
|
-- | $14.30 /GPU/hr On-demand NVL |
EmpirioLabs AI
USA
|
-- | $18.50 /GPU/hr On-demand |
5 providers list the MI325X and 36 the B300. Every listing is on the MI325X page and the B300 page.
Similar GPUs
Other comparisons in the same class.
Our data for AMD MI325X was last updated on Sept. 14, 2026, and for Nvidia B300 on Sept. 14, 2026.