Radeon Pro W7900 48GB经济之选
48 GB VRAM (+16)864 GB/s (+288)
C
Raises estimated decode speed by about 50%.26.7 tok/s 解码
Raises estimated decode speed by about 50%.
Adds memory headroom for longer context windows and future model growth.
~$3,999 MSRP
Can Yi 34B Chat run on Radeon Pro W7800 32GB?
YES — Tight Fit
C50Usable
Estimated from fit model
Yi 34B Chat needs ~28.5 GB VRAM. Radeon Pro W7800 32GB has 32.0 GB. With Q4_K_M quantization, expect ~18 tok/s.
Runtime: llama.cppCapacity: TightBandwidth: MediumStack: StandardBottleneck: 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) — 28.5 GB, 17.8 tok/s, Tight fit
28.5 GB required32.0 GB available
89% VRAM used
Fit status
Tight fit
Decode
17.8 tok/s
TTFT
10882 ms
Safe context
31K
Memory
28.5 GB / 32.0 GB
Memory breakdown
Weights20.7 GB
KV Cache3.7 GB
Runtime0.9 GB
Headroom3.2 GB
See how fast it feels
See how fast it feelsYi 34B Chat on Radeon Pro W7800 32GB
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: 17.8 tok/s decode · 10.9s TTFT (warm) · 45 tok/s prefill
What limits this setup
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.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Tight fit | 17.8 tok/s | 5936 ms | 31K |
| Coding | C | Tight fit | 17.8 tok/s | 10882 ms | 31K |
| Agentic Coding | C | Runs with offload (needs ~0.1 GB host RAM) | 13.2 tok/s | 21334 ms | 31K |
| Reasoning | C | Tight fit | 17.8 tok/s | 12861 ms | 31K |
| RAG | C | Runs with offload (needs ~0.1 GB host RAM) | 13.2 tok/s | 26667 ms | 31K |
Quantization options
How Yi 34B Chat (34B params) fits at each quantization level on Radeon Pro W7800 32GB (32.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 13.3 GB | Low | C49 |
Q3_K_S | 3 | 16.7 GB | Low | C51 |
NVFP4 | 4 | 19.0 GB | Medium | C51 |
Q4_K_M | 4 | 20.7 GB | Medium | C50 |
Q5_K_MBest for your GPU | 5 | 24.5 GB | High | C50 |
Q6_K | 6 | 27.9 GB | High | F0 |
Q8_0 | 8 | 36.4 GB | Very High | F0 |
F16 | 16 | 69.7 GB | Maximum | F0 |
Get started
Copy-paste commands to run Yi 34B Chat on your machine.
Run
lms load Yi-34B-Chat && lms server start升级选项
能流畅运行 Yi 34B Chat 的硬件
Radeon PRO W7900 DS 48GB最佳性价比
48 GB VRAM (+16)864 GB/s (+288)
C
Raises estimated decode speed by about 50%.26.7 tok/s 解码
Raises estimated decode speed by about 50%.
Adds memory headroom for longer context windows and future model growth.
~$3,999 MSRP
AMD Instinct MI210 64GBAMD 升级
64 GB VRAM (+32)1638 GB/s (+1062)
C
Raises estimated decode speed by about 228%.58.3 tok/s 解码
Raises estimated decode speed by about 228%.
Adds memory headroom for longer context windows and future model growth.
~$10,000 MSRP
Frequently asked questions
Can Radeon Pro W7800 32GB run Yi 34B Chat?
Yes, Radeon Pro W7800 32GB can run Yi 34B Chat with a C grade (Tight fit). Expected decode speed: 17.8 tok/s.
How much VRAM does Yi 34B Chat need?
Yi 34B Chat (34B parameters) requires approximately 28.5 GB of memory with Q4_K_M quantization.
What is the best quantization for Yi 34B Chat?
The recommended quantization for Yi 34B Chat is Q4_K_M, which balances quality and memory efficiency.
What speed will Yi 34B Chat run at on Radeon Pro W7800 32GB?
On Radeon Pro W7800 32GB, Yi 34B Chat achieves approximately 17.8 tokens per second decode speed with a time-to-first-token of 10882ms using Q4_K_M quantization.
Can Radeon Pro W7800 32GB run Yi 34B Chat for coding?
For coding workloads, Yi 34B Chat on Radeon Pro W7800 32GB receives a C grade with 17.8 tok/s and 31K context.
What context window can Yi 34B Chat use on Radeon Pro W7800 32GB?
On Radeon Pro W7800 32GB, Yi 34B Chat can safely use up to 31K tokens of context. The model's official context limit is 200K, but available memory constrains the safe maximum.
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