GeForce RTX 5090
Blackwell · 32 GB GDDR7 · 575 W
RTX A4000
Ampere · 16 GB GDDR6 ECC · 140 W
GeForce RTX 5090 takes it — here’s why.
In our weighted Specdex score, GeForce RTX 5090 lands at 98 and RTX A4000 at 82. That puts GeForce RTX 5090 ahead by 16 points — a decisive margin driven mostly by its strengths in the categories below.
Pick GeForce RTX 5090 if…
- ✓Unrivaled 4K and path-tracing
- ✓DLSS 4 Multi-Frame Gen
- ✓32 GB VRAM for AI
Pick RTX A4000 if…
- ✓ECC VRAM for professional workloads
- ✓ISV certifications
- ✓Huge framebuffer
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
GeForce RTX 5090Traditional rendering throughput at high resolution
GeForce RTX 5090 leads on raster (100 vs 77).
Ray tracing
GeForce RTX 5090RT-heavy titles with path-traced lighting
GeForce RTX 5090 leads on rt (100 vs 82).
AI workloads
GeForce RTX 5090Local inference, upscaling, generative tools
GeForce RTX 5090 leads on ai (100 vs 83).
Power efficiency
RTX A4000Frames per watt — heat, noise, and PSU sizing
RTX A4000 leads on efficiency (85 vs 78).
Value for money
RTX A4000Specdex score per dollar at MSRP
RTX A4000 more score per dollar ($1,000 vs $1,999).
Score breakdown
Specs side-by-side
| Spec | GeForce RTX 5090 | RTX A4000 |
|---|---|---|
| Architecture | Blackwell | Ampere |
| CUDA cores | 21,760 | — |
| Tensor cores | 680 (5th gen) | — |
| RT cores | 170 (4th gen) | — |
| VRAM | ▲ 32 GB GDDR7 | 16 GB GDDR6 ECC |
| Memory bus | 512-bit | — |
| Bandwidth | 1792 GB/s | — |
| TBP | 575 W | 140 W |
| PCIe | PCIe 5.0 x16 | — |
| Release year | — | 2021 |
GeForce RTX 5090
- +Unrivaled 4K and path-tracing
- +DLSS 4 Multi-Frame Gen
- +32 GB VRAM for AI
- −Enormous power draw
- −Two-slot+ cooler required
- −Scarce MSRP supply
RTX A4000
- +ECC VRAM for professional workloads
- +ISV certifications
- +Huge framebuffer
- −Expensive per-frame vs consumer
- −Lower gaming clocks
- −Driver optimized for CAD/DCC not games
FAQ: GeForce RTX 5090 vs RTX A4000
Which is better, GeForce RTX 5090 or RTX A4000? +
GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 16. Your best pick depends on the sub-scores above.
Is GeForce RTX 5090 worth the price? +
At $1,999, GeForce RTX 5090 delivers a Specdex score of 98 — strongest in raster.
Is RTX A4000 worth the price? +
At $1,000, RTX A4000 delivers a Specdex score of 82 — strongest in efficiency.
Does GeForce RTX 5090 or RTX A4000 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for 4K gaming, GeForce RTX 5090 or RTX A4000? +
GeForce RTX 5090 — leads on raster (100 vs 77). Traditional rendering throughput at high resolution.
Which is better for ray tracing, GeForce RTX 5090 or RTX A4000? +
GeForce RTX 5090 — leads on rt (100 vs 82). RT-heavy titles with path-traced lighting.