NVIDIA RTX 4090vsNVIDIA RTX 3090
NVIDIA RTX 4090 vs NVIDIA RTX 3090: Specs, Benchmarks & Cloud Pricing
Full technical comparison of NVIDIA RTX 4090 and NVIDIA RTX 3090 — VRAM, memory bandwidth, FP16 TFLOPS, TDP, and live cloud pricing across all providers. Updated July 2026.
Technical Specifications
Spec
NVIDIA RTX 4090
NVIDIA RTX 3090
Architecture
Ada Lovelace
Ampere
VRAM
24 GB GDDR6X
24 GB GDDR6X
Memory bandwidth
1,008 GB/s
936 GB/s
FP16 performance
165 TFLOPS
71 TFLOPS
TDP
450 W
350 W
NVLink support
No
No
Release year
2022
2020
Green = better value for that metric.
NVIDIA RTX 4090
The RTX 4090 is the most cost-effective consumer GPU for AI workloads. At $0.40–$0.80/hr on GPU clouds, it's ideal for fine-tuning and small-model inference.
Best For
- Fine-tuning
- Small model inference
- Cost-effective compute
NVIDIA RTX 3090
The RTX 3090 remains a popular budget option for AI workloads with 24GB GDDR6X.
Best For
- Budget fine-tuning
- Small model inference
- Hobbyist AI