Can I Run Gemma 2 Family on NVIDIA GeForce RTX 4070 Super?
作者： Jakub Rusinowski · 最后更新： 2026年9月29日
Yes, comfortably — Gemma 2 9B IT at Q4_K_M needs 8.4 GB at 8K context (5.4 GB weights + 3 GB KV cache/overhead), leaving ~3.6 GB of the NVIDIA GeForce RTX 4070 Super's 12 GB, at ~59 tok/s (est.), with room for up to 8K context.
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NVIDIA GeForce RTX 4070 Super Specs
| VRAM | 12 GB |
| Memory Bandwidth | 504 GB/s |
Gemma 2 9B IT on the NVIDIA GeForce RTX 4070 Super: VRAM by quantization
| Quant | VRAM needed | Fits 12 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 21 GB | ✗ No | — | — |
| Q8_0 | 12.6 GB | ✗ No | — | — |
| Q6_K | 10.4 GB | ✓ Yes | 8K | — |
| Q5_K_M | 9.4 GB | ✓ Yes | 8K | — |
| Q4_K_M | 8.4 GB | ✓ Yes | 8K | — |
| Q3_K_M | 6.8 GB | ✓ Yes | 8K | — |
| Q2_K | 6 GB | ✓ Yes | 8K | — |
Assumes an 8K-token context with an f16 KV cache. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 12 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
No compatible GPU? Gemma 2 9B IT on 16 GB of system RAM, CPU only: runs, but it is tight.
Gemma 2 Family Sizes That Fit the NVIDIA GeForce RTX 4070 Super (at 8K context)
| Gemma 2 9B IT | Q4_K_M · 8.4 GB at 8K context · ~59 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
Does the NVIDIA GeForce RTX 4070 Super have enough VRAM for Gemma 2 Family?
Yes, comfortably — Gemma 2 9B IT at Q4_K_M needs 8.4 GB at 8K context (5.4 GB weights + 3 GB KV cache/overhead), leaving ~3.6 GB of the NVIDIA GeForce RTX 4070 Super's 12 GB, at ~59 tok/s (est.), with room for up to 8K context.
Which quantization of Gemma 2 Family should I use on the NVIDIA GeForce RTX 4070 Super?
Gemma 2 9B IT at Q4_K_M quantization needs 8.4 GB at 8K context (5.4 GB weights + 3 GB KV cache/overhead), estimated ~59 tokens/sec, up to 8K context.
Gemma 2 Family on Other GPUs
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- Gemma 2 Family on NVIDIA GeForce RTX 4070
- Gemma 2 Family on NVIDIA GeForce RTX 3060 (12GB)
- Gemma 2 Family on Intel Arc B580
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VRAM Tier
Troubleshooting
Buying Guide
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