AMD MI300X
vs
Nvidia K620
A data center GPU against a workstation card, one CDNA 3 and one Maxwell: 192 GB HBM3 against 2 GB DDR3, 183x the memory bandwidth on the MI300X, and Infinity Fabric 896 GB/s on the MI300X where the K620 is PCIe only.
At a glance
Memory
- MI300X
- 192 GB
- K620
- 2 GB
96x more on MI300X
Memory bandwidth
- MI300X
- 5,300 GB/s
- K620
- 29 GB/s
183x higher on MI300X
Cheapest on-demand
- MI300X
- $2.59 /GPU/hr
- K620
- --
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
| Billing | MI300X | K620 | Difference |
|---|---|---|---|
| On-demand | $2.99 /GPU/hr from $2.59 | No on-demand listings | |
| Reserved | $3.39 /GPU/hr from $1.61 (12 mo) | No reserved listings | |
| Spot | -- /GPU/hr from $1.60 | No spot listings |
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: 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 K620 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI300X | K620 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 192 GB HBM3 | 2 GB DDR3 | 96x more on MI300X |
| Bandwidth | 5,300 GB/s | 29 GB/s | 183x higher on MI300X |
| Bus width | 8,192-bit | 128-bit | 64x wider on MI300X |
| Compute · dense | |||
| FP8 | 2,614.9 TFLOPS | Not supported | MI300X only |
| FP16 / BF16 | 1,307.4 TFLOPS | Not supported | MI300X only |
| INT8 | 2,614.9 TOPS | Not supported | MI300X only |
| FP32 | 163.4 TFLOPS | 0.9 TFLOPS | 190x 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 | 45 W | 17x higher on MI300X |
| Released | Q4 2023 | Q3 2014 | 9 years newer on MI300X |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP32 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI300X datasheet and K620 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | MI300X /GPU/hr | K620 /GPU/hr |
|---|---|---|
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 | -- |
Runpod
|
Reservation on request | -- |
10 providers list the MI300X and 0 the K620. Every listing is on the MI300X page and the K620 page.
Similar GPUs
Other comparisons in the same class.
-
Nvidia H100
From $1.10 /GPU/hr Compare -
Nvidia A100
From $0.80 /GPU/hr Compare -
AMD MI325X
From $2.25 /GPU/hr Compare
Our data for AMD MI300X was last updated on Sept. 7, 2026, and for Nvidia K620 on Sept. 7, 2026.