The NVIDIA RTX 5070 (12GB) features 12 GB of dedicated VRAM and 672 GB/s memory bandwidth, supporting CUDA and TensorRT-LLM runtimes for full-precision and quantized inference.
Memory
12 GB
Usable Memory Ceiling
12 GB
Bandwidth
672 GB/s
Max Inference Class
14B Models (Q4)
TDP
220W
Estimated memory requirements as context length increases. Curves crossing above the reference line indicate Out of Memory (OOM).
Precision:
Inference throughput, memory compatibility, and generation speeds for open-weights LLMs on NVIDIA RTX 5070 (12GB).
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Context:
KV Cache:
GPUs:
Maximum model parameter class runnable by weight precision.
Context:
4-bit
14B Models
8-bit
8B Models
16-bit
3B Models
Hardware capacity for local training and adapter fine-tuning.
Context Length:
QLoRA
14B Models
LoRA
8B Models
Full Parameter Training
1B Models
Guidance for optimal precision and operational ceilings on NVIDIA RTX 5070 (12GB).
Inference Sweet Spot
Optimal for 8B models across extended context (32k+). 14B models fit comfortably at Q4 precision with standard context.
Bandwidth & Speed Profile
With 672 GB/s aggregate bandwidth, batch size 1 inference operates in a memory-bandwidth bound regime. Generates approximately 149 tok/s on an 8B Q4 model and 18 tok/s on a 70B Q4 model.
Assistant
Online