glm 4 9b chat 1m needs ~8.6 GB VRAM. Radeon RX 6850M XT 12GB has 12.0 GB. With Q4_K_M quantization, expect ~44 tok/s.
Operating mode
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
44.1 tok/s
TTFT
4393 ms
Safe context
67K
Memory
8.6 GB / 12.0 GB
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Runs well | 44.1 tok/s | 2396 ms | 67K |
| Coding | C | Runs well | 44.1 tok/s | 4393 ms | 67K |
| Agentic Coding | C | Runs well | 44.1 tok/s | 6390 ms | 67K |
| Reasoning | C | Runs well | 44.1 tok/s | 5192 ms | 67K |
| RAG | C | Runs well | 44.1 tok/s | 7988 ms | 67K |
How glm 4 9b chat 1m (9B params) fits at each quantization level on Radeon RX 6850M XT 12GB (12.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.5 GB | Low | C50 |
Q3_K_S | 3 | 4.4 GB | Low | C51 |
NVFP4 | 4 |
Copy-paste commands to run glm 4 9b chat 1m on your machine.
Run
lms load hf-bartowski--glm-4-9b-chat-1m-gguf && lms server startYes, Radeon RX 6850M XT 12GB can run glm 4 9b chat 1m with a C grade (Runs well). Expected decode speed: 44.1 tok/s.
glm 4 9b chat 1m (9B parameters) requires approximately 8.6 GB of memory with Q4_K_M quantization.
The recommended quantization for glm 4 9b chat 1m is Q4_K_M, which balances quality and memory efficiency.
On Radeon RX 6850M XT 12GB, glm 4 9b chat 1m achieves approximately 44.1 tokens per second decode speed with a time-to-first-token of 4393ms using Q4_K_M quantization.
For coding workloads, glm 4 9b chat 1m on Radeon RX 6850M XT 12GB receives a C grade with 44.1 tok/s and 67K context.
On Radeon RX 6850M XT 12GB, glm 4 9b chat 1m can safely use up to 67K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/hf-bartowski--glm-4-9b-chat-1m-gguf-on-rx-6850m-xt-12gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
5.0 GB |
| Medium |
| C52 |
Q4_K_M | 4 | 5.5 GB | Medium | C53 |
Q5_K_M | 5 | 6.5 GB | High | C52 |
Q6_KBest for your GPU | 6 | 7.4 GB | High | C52 |
Q8_0 | 8 | 9.6 GB | Very High | F0 |
F16 | 16 | 18.5 GB | Maximum | F0 |