RTX 5090 32GB经济之选32 GB VRAM (+8)1792 GB/s (+1446)
A
Raises estimated decode speed by about 210%.126 tok/s 解码
Raises estimated decode speed by about 210%.
Adds memory headroom for longer context windows and future model growth.
~$1,999 MSRP
Can GLM-4 9B run on Tesla P40 24GB?
YES — Runs Great
B69Good
Estimated from fit model
GLM-4 9B needs ~9.7 GB VRAM. Tesla P40 24GB has 24.0 GB. With Q4_K_M quantization, expect ~41 tok/s.
Runtime: OllamaCapacity: RoomyBandwidth: LowStack: BasicBottleneck: Balanced
Operating mode
Choose the run profile you care about
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
Q4_K_M (Medium quality) — 9.7 GB, 40.7 tok/s, Runs well
9.7 GB required24.0 GB available
40% VRAM used
Fit status
Runs well
Decode
40.7 tok/s
TTFT
4760 ms
Safe context
128K
Memory
9.7 GB / 24.0 GB
Memory breakdown
Weights5.5 GB
KV Cache0.6 GB
Runtime1.2 GB
Headroom2.4 GB
See how fast it feels
See how fast it feelsGLM-4 9B on Tesla P40 24GB
1st promptCold start — includes initialization
>What is local AI inference?
Local AI inference means running an AI language model directly on your own hardware — your laptop, desktop, or server — instead of sending requests to a remote cloud API.
When you run inference locally the model weights are loaded into your GPU or unified memory. Each token you generate requires reading those weights from memory, so memory bandwidth is the main bottleneck for decode speed.
Key benefits of running locally:
- Full privacy: your prompts never leave your machine
- No per-token cost or rate limits
- Works offline once the model is downloaded
- Latency depends only on your hardware
2nd promptWarm — model ready, no init overhead
>How much VRAM do I need?
It depends on the model size and quantization level. A rough rule of thumb:
Model size Q4 (4-bit) Q8 (8-bit) FP16
7B params ~4.3 GB ~7.5 GB ~14 GB
13B params ~7.9 GB ~13.9 GB ~26 GB
70B params ~42.7 GB ~74.9 GB ~140 GB
Most people use 4-bit quantization (Q4_K_M) which gives 90-95% of full quality at a fraction of the memory. A 24 GB GPU can comfortably run most 7B-13B models.
Estimated: 40.7 tok/s decode · 4.8s TTFT (warm) · 102 tok/s prefill
What limits this setup
This setup is broadly balanced for this model.
Older PCIe generation
PCIe 3.0 is workable, but it compounds the penalty when you offload heavily or try to scale across multiple cards.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | B | Runs well | 40.7 tok/s | 2597 ms | 128K |
| Coding | B | Runs well | 40.7 tok/s | 4760 ms | 128K |
| Agentic Coding | B | Runs well | 40.7 tok/s | 6924 ms | 128K |
| Reasoning | B | Runs well | 40.7 tok/s | 5626 ms | 128K |
| RAG | B | Runs well | 40.7 tok/s | 8655 ms | 128K |
Quantization options
How GLM-4 9B (9B params) fits at each quantization level on Tesla P40 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.5 GB | Low | B66 |
Q3_K_S | 3 | 4.4 GB | Low | B67 |
NVFP4 | 4 | 5.0 GB | Medium | B67 |
Q4_K_M | 4 | 5.5 GB | Medium | B67 |
Q5_K_M | 5 | 6.5 GB | High | B68 |
Q6_K | 6 | 7.4 GB | High | B68 |
Q8_0 | 8 | 9.6 GB | Very High | B70 |
F16Best for your GPU | 16 | 18.5 GB | Maximum | A71 |
Get started
Copy-paste commands to run GLM-4 9B on your machine.
Run
ollama run glm4升级选项
能流畅运行 GLM-4 9B 的硬件
RTX 5090 32GB经济之选RTX PRO 4500 Blackwell 32GB最佳性价比32 GB VRAM (+8)896 GB/s (+550)
A
Raises estimated decode speed by about 210%.126 tok/s 解码
Raises estimated decode speed by about 210%.
Adds memory headroom for longer context windows and future model growth.
~$2,499 MSRP
RTX 5000 Ada 32GBNVIDIA 升级32 GB VRAM (+8)576 GB/s (+230)
A
Raises estimated decode speed by about 126%.91.8 tok/s 解码
Raises estimated decode speed by about 126%.
Adds memory headroom for longer context windows and future model growth.
~$4,000 MSRP
Frequently asked questions
Can Tesla P40 24GB run GLM-4 9B?
Yes, Tesla P40 24GB can run GLM-4 9B with a B grade (Runs well). Expected decode speed: 40.7 tok/s.
How much VRAM does GLM-4 9B need?
GLM-4 9B (9B parameters) requires approximately 9.7 GB of memory with Q4_K_M quantization.
What is the best quantization for GLM-4 9B?
The recommended quantization for GLM-4 9B is Q4_K_M, which balances quality and memory efficiency.
What speed will GLM-4 9B run at on Tesla P40 24GB?
On Tesla P40 24GB, GLM-4 9B achieves approximately 40.7 tokens per second decode speed with a time-to-first-token of 4760ms using Q4_K_M quantization.
Can Tesla P40 24GB run GLM-4 9B for coding?
For coding workloads, GLM-4 9B on Tesla P40 24GB receives a B grade with 40.7 tok/s and 128K context.
What context window can GLM-4 9B use on Tesla P40 24GB?
On Tesla P40 24GB, GLM-4 9B can safely use up to 128K tokens of context. The model's official context limit is 128K, but available memory constrains the safe maximum.
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