Can I Run Gemma 4 on NVIDIA GeForce RTX 3070 Ti?
作者： Jakub Rusinowski · 最后更新： 2026年9月29日
Yes, comfortably — Gemma 4 E4B at Q4 (QAT) needs 6.4 GB at 8K context (4.5 GB weights + 1.9 GB KV cache/overhead), leaving ~1.6 GB of the NVIDIA GeForce RTX 3070 Ti's 8 GB, at ~64 tok/s (est.).
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NVIDIA GeForce RTX 3070 Ti Specs
| VRAM | 8 GB |
| Memory Bandwidth | 608 GB/s |
Gemma 4 E4B on the NVIDIA GeForce RTX 3070 Ti: VRAM by quantization
| Quant | VRAM needed | Fits 8 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 17.9 GB | ✗ No | — | — |
| Q8_0 | 10.4 GB | ✗ No | — | — |
| Q6_K | 8.5 GB | ✗ No | — | — |
| Q5_K_M | 7.6 GB | ✓ Yes | 8K | — |
| Q4_K_M | 6.8 GB | ✓ Yes | 16K | — |
| Q3_K_M | 5.4 GB | ✓ Yes | 16K | — |
| Q2_K | 4.6 GB | ✓ Yes | 32K | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 8 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4 (QAT) on the NVIDIA GeForce RTX 3070 Ti: 8K 6.4 GB · 32K 9.9 GB ✗ · 125K 23.1 GB ✗. Past 32K it no longer fits 8 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Gemma 4 on 8 GB of system RAM, CPU only: runs, but it is tight.
Gemma 4 Sizes That Fit the NVIDIA GeForce RTX 3070 Ti (at 8K context)
| Gemma 4 E4B | Q4 (QAT) · 6.4 GB at 8K context · ~64 tok/s (est.) |
| Gemma 4 E2B | Q4 (QAT) · 4.7 GB at 8K context · ~90 tok/s (est.) |
At 2 hrs/day, buying (~$599) beats renting at $0.34/hr after about 2.4 years.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
FAQ
Gemma 4 on the NVIDIA GeForce RTX 3070 Ti — does it fit?
Yes, comfortably — Gemma 4 E4B at Q4 (QAT) needs 6.4 GB at 8K context (4.5 GB weights + 1.9 GB KV cache/overhead), leaving ~1.6 GB of the NVIDIA GeForce RTX 3070 Ti's 8 GB, at ~64 tok/s (est.).
Which Gemma 4 variant fits best on the NVIDIA GeForce RTX 3070 Ti?
Gemma 4 E4B at Q4 (QAT) quantization needs 6.4 GB at 8K context (4.5 GB weights + 1.9 GB KV cache/overhead), estimated ~64 tokens/sec.
Every Gemma 4 size on the NVIDIA GeForce RTX 3070 Ti
| Size | VRAM at 8K | Verdict | Speed |
|---|---|---|---|
| Gemma 4 31B | 21.3 GB | Does not fit | — |
| Gemma 4 26B-A4B | 18.2 GB | Does not fit | — |
| Gemma 4 12B (Unified) | 9.4 GB | Runs at Q3_K_M | — |
| Gemma 4 E4B | 6.4 GB | Runs | ~64 tok/s |
| Gemma 4 E2B | 4.7 GB | Runs | ~90 tok/s |
Gemma 4 on Other GPUs
- Gemma 4 on NVIDIA GeForce RTX 5060 Ti 8GB
- Gemma 4 on NVIDIA GeForce RTX 5060
- Gemma 4 on NVIDIA GeForce RTX 4060
- Gemma 4 on NVIDIA GeForce RTX 3070
- Gemma 4 on AMD Radeon RX 9060 XT 8GB
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VRAM Tier
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