llmrun

AMD · CDNA 3

Best AI Models for AMD Instinct MI300X (192 GB)

Runs everything up to 120B MoE well.

192 GB HBM35300 GB/s1307 TFLOPS FP16750 WCDNA 3 2023

What LLMs can the Instinct MI300X run?

#ModelSpeedllmrun ScoreQuant · VRAM
1
Q4_K_M · 17.9 GB · 183 t/s
183 tok/sQ4_K_M · 17.9 GB
2
Inkling SmallThinking Machines
Q4_K_M · 162.7 GB · 115 t/s
115 tok/sQ4_K_M · 162.7 GB
3
Q4_K_M · 175.1 GB · 88.7 t/s
88.7 tok/sQ4_K_M · 175.1 GB
4
Q4_K_M · 17.9 GB · 183 t/s
183 tok/sQ4_K_M · 17.9 GB
5
Q4_K_M · 19.3 GB · 92.1 t/s
92.1 tok/sQ4_K_M · 19.3 GB
See all 419 models on the Instinct MI300X →Best quant that fits · speeds estimated on this card

About the Instinct MI300X

The Instinct MI300X runs everything up to 120B MoE well. CDNA 3 generation, released 2023.

GenerationCDNA 3released 2023

Instinct MI300X strengths and weaknesses

Strengths

  • Runs 120B MoE models: GPT OSS 120B at 121 tok/s in 70.8 GB
  • Room for long context: Llama 3.3 70B Instruct at Q4 uses 51.3 GB, leaving 140.7 GB free
  • Reads long prompts fast: A 4K-token prompt on Qwen3.8 27B starts answering in 791 ms

Weaknesses

  • 750 W under load: Plan a 1,500 W PSU; ≈$164 a year at 4 h a day

Instinct MI300X tokens per second by model size

Output speed depends on memory bandwidth (5300 GB/s).

  1. 9BQwen3.5 9B · Q4_K_M · 6.6 GB
    500tok/s
  2. 14BQwen3 14B · Q4_K_M · 11.9 GB
    335tok/s
  3. 27–31BQwen3.8 27B · Q4_K_M · 17.9 GB
    183tok/s
  4. 35B MoEQwen3.6 35B A3B · Q4_K_M · 22.0 GB
    112tok/s
  5. 70BLlama 3.3 70B Instruct · Q4_K_M · 51.3 GB
    68.3tok/s
  6. 120B MoEGPT OSS 120B · Q4_K_M · 70.8 GB
    121tok/s

Estimated speeds: Q4_K_M, 4K context, one user. How we estimate

All 1318 models on the Instinct MI300X

Featured only

Best quant that fits, ordered by llmrun Score. Fit grades how well it runs here, S best. How ranking works

LLM models compatible with AMD Instinct MI300X — ranked by Score, recency and Fit
ModelVRAMScoreFit
Q4_K_M·370.6 t/s
11.5 GBS100, Runs great
Falcon 7B
Q4_K_M·668.1 t/s
7.3 GBS100, Runs great
Q4_K_M·97.6 t/s
19.4 GBS91, Runs great
DeepSeek V3.1 Terminus
IQ2_XXS·63.5 t/s
189.7 GBC44, Usable
Q4_K_M·583.5 t/s
6.5 GBS100, Runs great
Phi 3 Vision 128k Instruct
BF16·338.3 t/s
15.0 GBS100, Runs great
Q4_K_M·590.0 t/s
6.2 GBS100, Runs great
Q4_K_M·586.7 t/s
6.5 GBS100, Runs great
Qwen2.5 1.5B
Q4_K_M·2484.4 t/s
1.7 GBS100, Runs great
Llama 3.2 1B
Q4_K_M·3878.0 t/s
2.3 GBS100, Runs great
SmolLM 360M
Q4_K_M·5300.0 t/s
0.6 GBS100, Runs great
Q4_K_M·5300.0 t/s
0.6 GBS100, Runs great
SmolLM2 360M
Q4_K_M·5300.0 t/s
0.8 GBS100, Runs great
Qwen 14B Chat
Q4_K_M·340.1 t/s
10.6 GBS100, Runs great
Aya 23 8B
BF16·180.1 t/s
20.2 GBS99, Runs great

Instinct MI300X specs, power and PSU

Specs

Architecture
CDNA 3
VRAM
192 GB HBM3
Memory bandwidth
5300.0 GB/s
FP16 (dense)
1307.40 TFLOPS
Stream processors
19,456
TDP
750 W
Released
2023-12-06

Instinct MI300X FAQ

What is the largest model the Instinct MI300X can run?

MiMo V2.6 Flash RL (309B) is the largest at 4-bit or better: at Q4_K_M it uses 186.5 GB of 192 GB, and runs at about 80.4 tok/s.

Can the Instinct MI300X run Qwen3.8 27B?

Yes. Qwen3.8 27B fits at Q4_K_M, using 17.9 GB of 192 GB, and it is the best model that runs well on this card.

How many tokens per second does the Instinct MI300X give?

About 183 tok/s on Qwen3.8 27B at Q4_K_M, with the first token after 0.8 s on a 4K-token prompt.

What power supply does the Instinct MI300X need?

Plan a 1500 W PSU (2× the 750 W TDP).

Is 192 GB enough for coding and agents?

Yes for coding: Qwen3.8 27B, the best of the 19 coding models that fit, runs at about 183 tok/s.