AMD RX 6800 XT — 16GB
Specifications
| Brand | AMD |
|---|---|
| Model | RX 6800 XT |
| VRAM | 16GB |
| Architecture | RDNA2 |
| CUDA / Stream Processors | 4,608 |
| Memory Bandwidth | 512 GB/s |
| TDP | 300W |
| FP32 TFLOPS | 20.7 |
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For AI / LLM Use
Good for 14B models. 30B requires aggressive quantisation.
What Models Can It Run?
- 14B Q6_K, 30B Q3_K (tight)
- 14B Q4_K_M, 7B full precision
- 7B Q6_K, 14B Q3_K (tight)
- 7B Q4_K_M only
Estimated Performance
Generation: ~38 tokens/sec
Prefill: ~370 tokens/sec
Recommended Quantisations
- Q4_K_M for 14B models
- Q6_K for 7B-8B models
- Q8 for 7B if VRAM allows
Pros & Cons
Pros
- RDNA2 architecture — good software support
- Consumer card — easy to install, display output
Cons
- 300W TDP — high power draw
Community Verdict
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