Best GPUs for 12GB VRAM ComfyUI Workflows

Looking to run SDXL or quantized FLUX.1 models? Compare the top budget and performance 12GB graphics cards for ComfyUI.

Hardware ComparisonProgrammatic RankingVRAM Requirements
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Introduction

12GB of VRAM is the current sweet spot for running Stable Diffusion XL (SDXL) and quantized FLUX.1 (FP8 or GGUF) pipelines locally. Here are the best-value options available right now.

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A GPU with 12GB VRAM runs 5,901 ComfyUI custom nodes (approx. 100% of the entire database) completely locally with zero OOM (Out Of Memory) limits on basic workflows.

GPU Specifications & Affiliate Comparison

This table lists prices, power draws, and custom links based on real-time hardware recommendations.

GPU ModelVRAM CapacityEst. PriceWattage DrawValue IndexAction
NVIDIA GeForce RTX 4070 Ti12 GB$795.07285W1.51Check Price 🛒
NVIDIA GeForce RTX 407012 GB$535.75200W2.24Check Price 🛒
NVIDIA GeForce RTX 306012 GB$284.15170W4.22Check Price 🛒

Detailed Hardware Analysis

NVIDIA GeForce RTX 4070 Ti

12GB VRAM
Est. Retail Cost:$795.07
Wattage Draw:285 Watts
Cloud Rental:$0.25/hr
Highly Recommended For:

Stable Diffusion XL (SDXL), Stable Diffusion 1.5, Pony Diffusion

Runs with Med-VRAM / Quantization:

FLUX.1 Schnell (FP8/NF4), Stable Diffusion 3.5 Medium

NVIDIA GeForce RTX 4070

12GB VRAM
Est. Retail Cost:$535.75
Wattage Draw:200 Watts
Cloud Rental:$0.22/hr
Highly Recommended For:

Stable Diffusion XL (SDXL), Stable Diffusion 1.5, Pony Diffusion

Runs with Med-VRAM / Quantization:

FLUX.1 Schnell (FP8/NF4), Stable Diffusion 3.5 Medium

NVIDIA GeForce RTX 3060

12GB VRAM
Est. Retail Cost:$284.15
Wattage Draw:170 Watts
Cloud Rental:$0.15/hr
Highly Recommended For:

Stable Diffusion XL (SDXL), Stable Diffusion 1.5, Pony Diffusion

Runs with Med-VRAM / Quantization:

FLUX.1 Schnell (FP8/NF4), Stable Diffusion 3.5 Medium