▸ DEVICE UNDER TEST
AMD Radeon Instinct MI355X — 288 GB VRAM.
▸ RADEON INSTINCT MI355X SPEC
- BRAND
- AMD
- VRAM
- 288 GB HBM3e
- BANDWIDTH
- 8190 GB/s
- FP16 COMPUTE
- 629.1 TFLOPS
- FP32 COMPUTE
- 78.6 TFLOPS
- STREAM PROCESSORS
- 16,384
- TDP
- 1400 W
- ARCHITECTURE
- CDNA 4.0
- MSRP
- $30000
▸ AI CAPABILITY
318/ 331 models @ Q4
With 288 GB VRAM and 8190 GB/s bandwidth, this GPU handles models up to 405B parameters.
Speed ≈ bandwidth / model_size × efficiency. A 7B model at Q4 runs at ~936 tok/s.
§ 01TOP MODELS FOR RADEON INSTINCT MI355X
318 FIT · SHOWING 20| MODEL | SIZE | VRAM Q4 | TOK/S | AVG |
|---|---|---|---|---|
| Llama 3.1 405B | 405B | 248.0 GB | 18 | 48.4 |
| Llama-4-Maverick-17B-128E | 400B | 245.0 GB | 428 | 46.1 |
| Qwen3.5-397B-A17B | 397B | 243.2 GB | 428 | 68.4 |
| GLM 4.7 | 358B | 219.3 GB | 228 | 64.4 |
| GLM 4.6 | 357B | 218.7 GB | 607 | 41.4 |
| GLM 4.5 | 355B | 217.5 GB | 607 | 47.8 |
| Nemotron-4 340B | 340B | 208.3 GB | 21 | 65.4 |
| MiMo V2 Flash 309B | 309B | 189.4 GB | 485 | 72.4 |
| ERNIE-4.5-300B-A47B-Paddle | 300.5B | 184.2 GB | 24 | 37.4 |
| ERNIE 4.5 300B-A47B | 300B | 183.9 GB | 155 | 49.8 |
| DeepSeek V4 Flash | 284B | 174.1 GB | 560 | 72.3 |
| DeepSeek V2 236B | 236B | 144.7 GB | 347 | 40.4 |
| DeepSeek-V2.5 236B | 236B | 144.7 GB | 347 | 64.0 |
| DeepSeek-Coder-V2 236B | 236B | 144.7 GB | 347 | 61.8 |
| Qwen3-235B-A22B | 235.1B | 144.2 GB | 331 | 55.9 |
| MiniMax-M2.5 228.7B | 228.7B | 140.3 GB | 347 | 62.6 |
| Falcon 180B | 180B | 110.5 GB | 40 | 51.3 |
| bloom 176.2B | 176.2B | 108.2 GB | 41 | 15.0 |
| dots.llm1.inst 142.8B | 142.8B | 87.8 GB | 51 | — |
| WizardLM 2 8x22B | 141B | 86.7 GB | 187 | 42.4 |