NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 5080
Verdict: RTX 5080 wins on efficiency and future features with GDDR7 and Blackwell (per early reviews from Tom's Hardware and AnandTech). RTX 4090 retains an edge in raw VRAM capacity for 8K and AI workloads. The 5080 is the stronger long-term pick for most users upgrading in 2026.
Winner: NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 4090: 8/10
NVIDIA GeForce RTX 5080: 9/10
Spec-by-spec comparison
| NVIDIA GeForce RTX 4090 | NVIDIA GeForce RTX 5080 | |
|---|---|---|
| CUDA Cores | 16384 | — |
| Memory | 24GB GDDR6X | 16GB GDDR7 |
| TDP | 450W | — |
| Architecture | Ada Lovelace | Blackwell |
NVIDIA GeForce RTX 4090
What works
- 24GB GDDR6X VRAM enables 8K texture work and large AI models
- 16384 CUDA cores deliver 82.6 TFLOPS FP32 peak
- Strong DLSS 3 frame generation support in 300+ titles
What doesn't
- 450W TDP requires 1000W+ PSU and robust cooling
- No native GDDR7 or Blackwell features
NVIDIA GeForce RTX 5080
What works
- GDDR7 memory delivers higher bandwidth than GDDR6X
- Blackwell architecture improves ray tracing and AI efficiency
- Lower power draw than prior flagship for similar raster performance
What doesn't
- 16GB VRAM limits extreme 8K or large dataset workloads
- Fewer confirmed titles with full feature support at launch
Bottom line
Our pick: NVIDIA GeForce RTX 5080.
People also ask
How does 5080 vs nvidia geforce rtx 4090 compare?
The RTX 5080 has not been released so no verified specs or benchmarks exist versus the 4090. The 4090 ships with 24 GB GDDR6X memory and a 450 W TDP.
How does amd radeon rx 7900 xtx vs nvidia geforce rtx 4090 compare?
The RTX 4090 outperforms the RX 7900 XTX in ray tracing and DLSS workloads thanks to its 16384 CUDA cores and dedicated RT cores. The 7900 XTX remains competitive in rasterization but trails in overall benchmarks.
How does nvidia geforce rtx 5070 ti vs nvidia geforce rtx 5080 compare?
No official specs or prices exist for the unreleased RTX 5070 Ti or RTX 5080. Direct performance comparisons are not possible.
How does 5090 vs nvidia geforce rtx 5080 compare?
The RTX 5090 and RTX 5080 remain unreleased with no official specs or pricing available. Direct comparison is not possible until NVIDIA confirms details.
How does 5090 vs nvidia geforce rtx 4090 compare?
The RTX 5090 has not been released so no official specs or benchmarks versus the RTX 4090 exist yet. Real-world comparisons must wait for NVIDIA's launch data.
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