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NVIDIA RTX 4090 24GB

Perfect for running Llama 4 70B (Q4), Qwen 2.5 32B, DeepSeek V3 (Q4) and Flux 2 (Q4), SD 3.5 Large locally.

NVIDIA
VRAM

24GB GDDR6X

Bandwidth

1,008 GB/s

Power

450W

Price

$650-850 (used)

Best AI Models for NVIDIA RTX 4090 24GB

GLM-4.7-flash
Zhipu AI • 30B (MoE)
16GB (Q4) required

Advantages

  • Great value used
  • 24GB sufficient for most
  • Proven reliability
  • Good performance

Limitations

  • Previous generation
  • High power draw
  • Used market risks
  • Lower bandwidth than 5090

Alternatives to NVIDIA RTX 4090 24GB

RTX 5090 32GB
Alternative
RTX 4080 Super
Alternative
Dual RTX 3090
Alternative

Where to Buy

Newegg
PC parts specialist
Amazon
Wide selection
eBay
Used GPUs

Best Use Cases

70B models (Q4)
Image generation
Fine-tuning
Professional

Specifications

VRAM:24GB GDDR6X
CUDA Cores:16,384
Memory Bandwidth:1,008 GB/s
Power:450W
Release Date:2022-10

Compare GPUs

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