AMD MI300X
vs
Nvidia P40
Two data center GPUs, one CDNA 3 and one Pascal: 192 GB HBM3 against 24 GB GDDR5, 15x the memory bandwidth on the MI300X, and Infinity Fabric 896 GB/s on the MI300X where the P40 is PCIe only.
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
- 24 GB
- GDDR5
- Memory bandwidth
- 346 GB/s
- From
- $0.09 /GPU/hr
- 1 provider
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | MI300X | P40 | Difference |
|---|---|---|---|
| On-demand | $2.39 | $0.09 | 25x more expensive on MI300X |
| Spot | $1.60 | $0.06 | 28x more expensive on MI300X |
| Reserved | $1.61 | No reserved listings | |
| Median | $2.91 | $0.09 | 31x more expensive on MI300X |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
MI300X vs P40 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI300X | P40 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 192 GB HBM3 | 24 GB GDDR5 | 8x more on MI300X |
| Bandwidth | 5,300 GB/s | 346 GB/s | 15x higher on MI300X |
| Bus width | 8,192-bit | 384-bit | 21x wider on MI300X |
| Compute · dense | |||
| FP8 | 2,614.9 TFLOPS | Not supported | MI300X only |
| FP16 / BF16 | 1,307.4 TFLOPS | ||
| INT8 | 2,614.9 TOPS | 47 TOPS | 56x higher on MI300X |
| FP32 | 163.4 TFLOPS | 12 TFLOPS | 14x higher on MI300X |
| FP64 | 81.7 TFLOPS | Not supported | MI300X only |
| Platform | |||
| Interconnect | Infinity Fabric 896 GB/s | PCIe only | Infinity Fabric on MI300X only |
| Board power | 750 W | 250 W | 3x higher on MI300X |
| Released | Q4 2023 | Q3 2016 | 7 years newer on MI300X |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP16FP32INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI300X datasheet and P40 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | MI300X /GPU/hr | P40 /GPU/hr |
|---|---|---|
Runpod
|
On-Demand $2.39 | -- |
DigitalOcean
|
On-Demand $2.59 | -- |
Cyfuture AI
|
On-Demand $2.78 | -- |
Hot Aisle
|
On-Demand $2.99 | -- |
Oracle Cloud
|
On-Demand $6.00 | -- |
Azure
|
On-Demand $7.86 | -- |
Cirrascale
|
Reserved (12mo) $3.12 | -- |
Crusoe
|
Reservation on request | -- |
Vast.ai
|
-- | On-Demand $0.09 |
10 providers list the MI300X and 1 the P40. Every listing is on the MI300X page and the P40 page.
Similar GPUs
Other comparisons in the same class.
Our data for AMD MI300X was last updated on Sept. 7, 2026, and for Nvidia P40 on Sept. 7, 2026.