The MI300X is newer, with 8x the memory and 5.5x the bandwidth. The Radeon RX 7900 XTX is cheaper right now.
At a glance
Memory
8x more on MI300X
- MI300X
- 192 GB
- Radeon RX 7900 XTX
- 24 GB
Memory bandwidth
5.5x higher on MI300X
- MI300X
- 5,300 GB/s
- Radeon RX 7900 XTX
- 960 GB/s
Cheapest on-demand
94% cheaper on Radeon RX 7900 XTX
- MI300X
- $2.59 /GPU/hr
- Radeon RX 7900 XTX
- $0.17 /GPU/hr
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
| Billing | MI300X | Radeon RX 7900 XTX | Difference |
|---|---|---|---|
| On-demand | $2.86 /GPU/hr from $2.59 | -- /GPU/hr from $0.17 | |
| Reserved | $2.34 /GPU/hr from $1.64 (12 mo) | No reserved listings | |
| Spot | -- /GPU/hr from $1.84 | -- /GPU/hr from $0.07 |
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. No median for spot on the MI300X and on-demand and spot on the Radeon RX 7900 XTX: we only show one when at least 3 providers list the GPU on that billing type. Verify before provisioning. More on how we price.
Price history
MI300X vs Radeon RX 7900 XTX price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI300X | Radeon RX 7900 XTX | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 192 GB HBM3 | 24 GB GDDR6 | 8x more on MI300X |
| Bandwidth | 5,300 GB/s | 960 GB/s | 5.5x 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 | 123 TFLOPS | 11x higher on MI300X |
| INT8 | 2,614.9 TOPS | 123 TOPS | 21x higher on MI300X |
| FP32 | 163.4 TFLOPS | 61.4 TFLOPS | 2.7x 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 | 355 W | 2.1x higher on MI300X |
| Released | Q4 2023 | Q4 2022 | 12 months newer on MI300X |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP16BF16FP32INT4INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI300X datasheet and Radeon RX 7900 XTX 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 | MI300X | Radeon RX 7900 XTX |
|---|---|---|
|
|
$3.39 /GPU/hr Reserved | -- |
|
|
On request Custom | -- |
|
|
$2.59 /GPU/hr On-demand | -- |
|
|
$2.60 /GPU/hr On-demand | -- |
|
|
$2.82 /GPU/hr On-demand | -- |
|
|
$6.00 /GPU/hr On-demand | -- |
|
|
$7.86 /GPU/hr On-demand | -- |
|
|
On request Reserved | -- |
|
|
-- | $0.17 /GPU/hr On-demand |
12 providers list the MI300X and 1 the Radeon RX 7900 XTX. Every listing is on the MI300X page and the Radeon RX 7900 XTX page.
Similar GPUs
Other comparisons in the same class.
Our data for AMD MI300X was last updated on Sept. 14, 2026, and for AMD Radeon RX 7900 XTX on Nov. 13, 2026.