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NVIDIA GeForce RTX 4070 vs NVIDIA GeForce RTX 3060 12GB

Side-by-side comparison for AI and gaming. Which one should you buy in 2026?

Bottom Line

Same VRAM, but NVIDIA GeForce RTX 3060 12GB is cheaper. Go with NVIDIA GeForce RTX 3060 12GB unless you need NVIDIA GeForce RTX 4070's newer architecture features.

NVIDIA GeForce RTX 4070: 5 winsNVIDIA GeForce RTX 3060 12GB: 4 wins1 tied
SpecRTX 4070RTX 3060 12GB
Street Price$500$230
VRAM12GB GDDR6X12GB GDDR6
Memory Bandwidth504 GB/s360 GB/s
TDP200W170W
AI Rating5/104/10
Gaming Rating7/105/10
CUDA Cores5,8883,584
Boost Clock2475 MHz1777 MHz
$/GB VRAM$42$19
Length244mm242mm

AI Model Compatibility

How each GPU handles popular AI models. VRAM determines whether a model fits — green means it runs, red means it won't.

Model12GB12GB
Llama 3.1 70B 70BNoNo
Llama 3.1 8B 8BQ8Q8
Qwen 2.5 72B 72BNoNo
Qwen 2.5 32B 32BNoNo
Qwen 2.5 14B 14BQ4Q4
Mistral 7B 7BQ8Q8
DeepSeek R1 70B 70BNoNo
FLUX.1 Dev 12BQ4Q4
Stable Diffusion XL 6.6BQ8Q8
Stable Diffusion 3.5 Large 8BQ8Q8
HunyuanVideo 13BOffloadOffload
CogVideoX-5B 5BQ8Q8
Mochi 1 10BQ4Q4
LTX Video 2BFP16FP16
Stable Video Diffusion 1.5BFP16FP16
Wan Video 14B 14BQ4Q4
Codestral 22B 22BOffloadOffload
Qwen 2.5 Coder 32B 32BNoNo
LLaVA 1.6 34B 34BNoNo
AlphaFold 2 93MQ8Q8
ESMFold (ESM-2 15B) 15BQ4Q4
ESM-2 3B 3BFP16FP16
scGPT 50MFP16FP16
RFdiffusion 200MQ8Q8
Fine-tune Llama 8B 8BQ4Q4
Fine-tune Llama 70B 70BNoNo
Train SDXL LoRA 6.6BQ8Q8
Train FLUX LoRA 12BOffloadOffload

Estimated Performance (tok/s)

Bandwidth-based estimates, not hardware benchmarks. Methodology

ModelRTX 4070RTX 3060 12GB
Llama 3.1 8B 8B37-45Fast23-29Usable
Qwen 2.5 14B 14B34-42Fast22-27Usable

NVIDIA GeForce RTX 4070

The RTX 4070 offers solid 1440p gaming performance at a reasonable price point. With 12GB of GDDR6X and low 200W power consumption, it is efficient and capable. For AI use, the 12GB VRAM handles 7B-8B models at Q4-Q8 quantization. It is a popular choice for budget-conscious gamers, though the 4070 SUPER offers better value if you can stretch the budget.

Full specs →

NVIDIA GeForce RTX 3060 12GB

The NVIDIA GeForce RTX 3060 12GB has become a legend in the budget AI community. Despite its modest gaming performance, the 12GB of VRAM with full CUDA support makes it the cheapest entry point for running local LLMs. It handles 7B-8B models at Q4-Q8 and runs Stable Diffusion 1.5. Available used for around -230, it is the go-to recommendation for AI beginners on a tight budget.

Full specs →

Who Should Buy Which?

Buy the NVIDIA GeForce RTX 4070 if:

  • + AI workloads are your primary use case
  • + You want better gaming performance
  • + Budget 1440p gaming with basic local AI capability

Buy the NVIDIA GeForce RTX 3060 12GB if:

  • + You want to save $270
  • + You want lower power consumption (170W vs 200W)
  • + Cheapest possible entry into local AI with CUDA