Can I Run Command R Family on NVIDIA GeForce RTX 3080 (10GB)?
Written by Jakub Rusinowski · Last updated July 12, 2026
No — Command R (35B) at Q4_K_M needs 32.7 GB at 8K context (21.1 GB weights + 11.6 GB KV cache/overhead), and the NVIDIA GeForce RTX 3080 (10GB)'s 10 GB leaves it ~22.7 GB short. The cheapest card that runs it is the NVIDIA RTX 6000 Ada Generation (48 GB).
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NVIDIA GeForce RTX 3080 (10GB) Specs
| VRAM | 10 GB |
| Memory Bandwidth | 760 GB/s |
Command R (35B) on the NVIDIA GeForce RTX 3080 (10GB): VRAM by quantization
| Quant | VRAM needed | Fits 10 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 81.5 GB | ✗ No | — | — |
| Q8_0 | 48.7 GB | ✗ No | — | — |
| Q6_K | 40.2 GB | ✗ No | — | — |
| Q5_K_M | 36.3 GB | ✗ No | — | — |
| Q4_K_M | 32.7 GB | ✗ No | — | — |
| Q3_K_M | 26.5 GB | ✗ No | — | — |
| Q2_K | 23 GB | ✗ No | — | — |
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 10 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_K_M on the NVIDIA GeForce RTX 3080 (10GB): 8K 32.7 GB ✗ · 32K 64.9 GB ✗ · 125K 189.7 GB ✗. Past 8K it no longer fits 10 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Command R Family on 256 GB of system RAM, CPU only: runs, but too slowly to be worth it.
Why It Does Not Fit
Every Command R Family variant requires more VRAM than the NVIDIA GeForce RTX 3080 (10GB) provides (10 GB).
Nearest GPU That Fits
NVIDIA RTX 6000 Ada Generation (48 GB VRAM).
Command R Family needs ~33 GB but this GPU has 10 GB. Rent a A100 (40 GB)-class GPU by the hour instead of buying one:
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FAQ
Does the NVIDIA GeForce RTX 3080 (10GB) have enough VRAM for Command R Family?
No — Command R (35B) at Q4_K_M needs 32.7 GB at 8K context (21.1 GB weights + 11.6 GB KV cache/overhead), and the NVIDIA GeForce RTX 3080 (10GB)'s 10 GB leaves it ~22.7 GB short. The cheapest card that runs it is the NVIDIA RTX 6000 Ada Generation (48 GB).
Which GPU can actually run Command R Family?
The NVIDIA RTX 6000 Ada Generation (48 GB VRAM) is the cheapest upgrade that fits it.
Every Command R Family size on the NVIDIA GeForce RTX 3080 (10GB)
| Size | VRAM at 8K | Verdict | Speed |
|---|---|---|---|
| Command R+ (104B) | 65.7 GB | Does not fit | — |
| Command R (35B) | 32.7 GB | Does not fit | — |
Command R Family on Other GPUs
- Command R Family on Intel Arc B570
- Command R Family on NVIDIA GeForce RTX 5070
- Command R Family on NVIDIA GeForce RTX 4070 Ti
Popular Models on the NVIDIA GeForce RTX 3080 (10GB)
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VRAM Tier
Troubleshooting
- CUDA out of memory — why it happens and how to fix it
- Which GGUF quant should I download? (Q4 vs Q5 vs Q8)
Buying Guide
← Can I Run It? | Command R Family Model Page | NVIDIA GeForce RTX 3080 (10GB) GPU Page | VRAM calculator | Check Your Hardware