MacBook Pro M4 16GB经济之选
16 GB Unified (+5)
C
This setup is broadly balanced for this model.28 tok/s 解码
~$599 MSRP
Can Gemma 2 2B run on RTX 2080 Ti 11GB?
YES — Runs Great
C53Usable
Estimated from fit model
Gemma 2 2B needs ~5.1 GB VRAM. RTX 2080 Ti 11GB has 11.0 GB. With Q4_K_M quantization, expect ~28 tok/s.
Runtime: OllamaCapacity: RoomyBandwidth: MediumStack: 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) — 5.1 GB, 28.0 tok/s, Runs well
5.1 GB required11.0 GB available
46% VRAM used
Fit status
Runs well
Decode
28.0 tok/s
TTFT
6914 ms
Safe context
8K
Memory
5.1 GB / 11.0 GB
Memory breakdown
Weights1.2 GB
KV Cache1.6 GB
Runtime1.2 GB
Headroom1.1 GB
See how fast it feels
See how fast it feelsGemma 2 2B on RTX 2080 Ti 11GB
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: 28.0 tok/s decode · 6.9s TTFT (warm) · 70 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 | C | Runs well | 28.0 tok/s | 3771 ms | 8K |
| Coding | C | Runs well | 28.0 tok/s | 6914 ms | 8K |
| Agentic Coding | B | Runs well | 28.0 tok/s | 10057 ms | 8K |
| Reasoning | C | Runs well | 28.0 tok/s | 8171 ms | 8K |
| RAG | B | Runs well | 28.0 tok/s | 12571 ms | 8K |
Quantization options
How Gemma 2 2B (2B params) fits at each quantization level on RTX 2080 Ti 11GB (11.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 0.8 GB | Low | C52 |
Q3_K_S | 3 | 1.0 GB | Low | C52 |
NVFP4 | 4 | 1.1 GB | Medium | C52 |
Q4_K_M | 4 | 1.2 GB | Medium | C53 |
Q5_K_M | 5 | 1.4 GB | High | C53 |
Q6_K | 6 | 1.6 GB | High | C53 |
Q8_0 | 8 | 2.1 GB | Very High | C54 |
F16Best for your GPU | 16 | 4.1 GB | Maximum | B56 |
Get started
Copy-paste commands to run Gemma 2 2B on your machine.
Run
lms load gemma-2-2b-it && lms server start升级选项
能流畅运行 Gemma 2 2B 的硬件
Frequently asked questions
Can RTX 2080 Ti 11GB run Gemma 2 2B?
Yes, RTX 2080 Ti 11GB can run Gemma 2 2B with a C grade (Runs well). Expected decode speed: 28.0 tok/s.
How much VRAM does Gemma 2 2B need?
Gemma 2 2B (2B parameters) requires approximately 5.1 GB of memory with Q4_K_M quantization.
What is the best quantization for Gemma 2 2B?
The recommended quantization for Gemma 2 2B is Q4_K_M, which balances quality and memory efficiency.
What speed will Gemma 2 2B run at on RTX 2080 Ti 11GB?
On RTX 2080 Ti 11GB, Gemma 2 2B achieves approximately 28.0 tokens per second decode speed with a time-to-first-token of 6914ms using Q4_K_M quantization.
Can RTX 2080 Ti 11GB run Gemma 2 2B for coding?
For coding workloads, Gemma 2 2B on RTX 2080 Ti 11GB receives a C grade with 28.0 tok/s and 8K context.
What context window can Gemma 2 2B use on RTX 2080 Ti 11GB?
On RTX 2080 Ti 11GB, Gemma 2 2B can safely use up to 8K tokens of context. The model's official context limit is 8K, but available memory constrains the safe maximum.
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