Home / Models / Gemma 3 12B Instruct / AMD Radeon RX 6650 XT 8 GB
Can Gemma 3 12B Instruct run on AMD Radeon RX 6650 XT 8 GB?
Can it run? Yes, with CPU/RAM offload. Full GPU fit? No.
Can it run?
- Can it run?
- Yes, with CPU/RAM offload. This is not equivalent to full-GPU inference.
- Full GPU fit?
- No
- Model
- Gemma 3 12B Instruct · 12B
- GPU
- AMD Radeon RX 6650 XT 8 GB · 8 GB advertised
What else can AMD Radeon RX 6650 XT 8 GB run? · Find other GPUs for Gemma 3 12B Instruct · See 2× multi-GPU options
Memory calculation
Breakdown for Q4 at 8K context, batch size 1. Calculator v1.0.0.
| Model weights | 7.2 GB |
|---|---|
| KV cache | 3.0 GB |
| Runtime reserve | 0.9 GB |
| Safety margin | 0.5 GB |
| Required (estimated) | 11.5 GB |
| GPU usable VRAM | 7.2 GB |
Result: CPU RAM OFFLOAD REQUIRED
Quantization table
| Quantization | 2K | 4K | 8K | 16K | 32K | 64K | 128K |
|---|---|---|---|---|---|---|---|
| BF16 | No | No | No | No | No | No | No |
| FP16 | No | No | No | No | No | No | No |
| Q3 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q4 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q5 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q6 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q8 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
What fits entirely in VRAM?
No calculated full-VRAM fit at the evaluated quantizations and context lengths.
What requires RAM offload?
Weights may run with CPU/RAM offload. That is not equivalent to full-GPU inference. Performance numbers below are only published for full-VRAM fits.
Performance
No llama.cpp performance result is published for this pair yet. Memory fit above is unchanged. How performance is calculated
Available graphics cards
These SKUs use this GPU chip. Amazon CTAs appear only for EXACT/HIGH matches. Absence of a price does not change the compatibility result above.
MSI MECH Radeon RX 6650 XT 2X 8G OC AMD 8 GB GDDR6
8 GB · Amazon EXACT
$439.36
Check price on Amazon
ASUS Dual -RX6650XT-O8G AMD Radeon RX 6650 XT 8 GB GDDR6
8 GB · Amazon unmatched
GIGABYTE GAMING Radeon RX 6650 XT OC 8G AMD 8 GB GDDR6
8 GB · Amazon unmatched
Sources
Model: official config google/gemma-3-12b-it (official-fallback-config). GPU/product specs: Icecat. Compatibility: RigForAI calculator v1.0.0 estimated VRAM · Q8 at 8K: CPU_RAM_OFFLOAD_REQUIRED. Amazon: affiliate commerce match, not a spec source.