NVIDIA RTX 4090vsNVIDIA RTX 4080
NVIDIA RTX 4090 vs NVIDIA RTX 4080: Specs, Benchmarks & Cloud Pricing
Full technical comparison of NVIDIA RTX 4090 and NVIDIA RTX 4080 — VRAM, memory bandwidth, FP16 TFLOPS, TDP, and live cloud pricing across all providers. Updated July 2026.
Technical Specifications
Spec
NVIDIA RTX 4090
NVIDIA RTX 4080
Architecture
Ada Lovelace
Ada Lovelace
VRAM
24 GB GDDR6X
16 GB GDDR6X
Memory bandwidth
1,008 GB/s
717 GB/s
FP16 performance
165 TFLOPS
97 TFLOPS
TDP
450 W
320 W
NVLink support
No
No
Release year
2022
2022
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 4080
The RTX 4080 offers 16GB GDDR6X and Ada Lovelace efficiency at a lower price than the RTX 4090.
Best For
- Budget fine-tuning
- Small model inference
- Consumer AI