AMD MI455X
vs
Nvidia RTX A2000
The MI455X is newer, with 36x the memory and 81x the bandwidth.
At a glance
Memory
36x more on MI455X
- MI455X
- 432 GB
- RTX A2000
- 12 GB
Memory bandwidth
81x higher on MI455X
- MI455X
- 23,300 GB/s
- RTX A2000
- 288 GB/s
Cheapest on-demand
MI455X is not sold on demand
- MI455X
- --
- RTX A2000
- --
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
Price history
MI455X vs RTX A2000 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | MI455X | RTX A2000 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 432 GB HBM4 | 12 GB GDDR6 | 36x more on MI455X |
| Bandwidth | 23,300 GB/s | 288 GB/s | 81x higher on MI455X |
| Bus width | 192-bit | ||
| Compute · dense | |||
| FP4 | 40,265 TFLOPS | Not supported | MI455X only |
| FP8 | 20,133 TFLOPS | Not supported | MI455X only |
| FP16 / BF16 | 5,033 TFLOPS | 31.9 TFLOPS | 158x higher on MI455X |
| INT8 | 5,033 TOPS | ||
| FP32 | 315 TFLOPS | 8 TFLOPS | 39x higher on MI455X |
| Platform | |||
| Interconnect | Infinity Fabric 3,600 GB/s | PCIe only | Infinity Fabric on MI455X only |
| Released | Q3 2026 | Q3 2021 | 5 years newer on MI455X |
| Precision | |||
| Supported formats | FP4FP6FP8FP16BF16FP32INT8 | FP16BF16TF32FP32INT4INT8 | |
Figures are for each model's headline configuration. Where a form factor carries a different number, it is named under the figure.
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: MI455X datasheet and RTX A2000 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 | MI455X | RTX A2000 |
|---|---|---|
Azure
USA
|
On request Custom | -- |
Cirrascale
USA
|
On request Custom | -- |
Oracle Cloud
USA
|
On request Custom | -- |
TensorWave
USA
|
On request Custom | -- |
Vultr
USA
|
On request Custom | -- |
Similar GPUs
Other comparisons in the same class.
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-
Nvidia GB300
288 GB HBM3e · 66% less bandwidth than the MI455X
On-demand from $18.00 /GPU/hr
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Our data for AMD MI455X was last updated on Sept. 14, 2026, and for Nvidia RTX A2000 on Sept. 14, 2026.