GeForce RTX 5090
Blackwell · 32 GB GDDR7 · 575 W
Sapphire Nitro+ Radeon RX 6800 XT
RDNA 2 · 16 GB GDDR6 · 300 W · Nitro+
GeForce RTX 5090 takes it — here’s why.
In our weighted Specdex score, GeForce RTX 5090 lands at 98 and Sapphire Nitro+ Radeon RX 6800 XT at 81. That puts GeForce RTX 5090 ahead by 17 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 Sapphire Nitro+ Radeon RX 6800 XT if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
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 81).
Ray tracing
GeForce RTX 5090RT-heavy titles with path-traced lighting
GeForce RTX 5090 leads on rt (100 vs 71).
AI workloads
GeForce RTX 5090Local inference, upscaling, generative tools
GeForce RTX 5090 leads on ai (100 vs 66).
Power efficiency
GeForce RTX 5090Frames per watt — heat, noise, and PSU sizing
GeForce RTX 5090 leads on efficiency (78 vs 76).
Value for money
Sapphire Nitro+ Radeon RX 6800 XTSpecdex score per dollar at MSRP
Sapphire Nitro+ Radeon RX 6800 XT more score per dollar ($750 vs $1,999).
Score breakdown
Specs side-by-side
| Spec | GeForce RTX 5090 | Sapphire Nitro+ Radeon RX 6800 XT |
|---|---|---|
| Architecture | Blackwell | RDNA 2 |
| CUDA cores | 21,760 | — |
| Tensor cores | 680 (5th gen) | — |
| RT cores | 170 (4th gen) | — |
| VRAM | ▲ 32 GB GDDR7 | 16 GB GDDR6 |
| Memory bus | 512-bit | — |
| Bandwidth | 1792 GB/s | — |
| TBP | 575 W | 300 W |
| PCIe | PCIe 5.0 x16 | — |
| Release year | — | 2020 |
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
Sapphire Nitro+ Radeon RX 6800 XT
- +More VRAM at price tier
- +FSR support
- +Driver open-source on Linux
- −RT trails NVIDIA
- −AI ecosystem smaller
- −Driver day-0 bugs
FAQ: GeForce RTX 5090 vs Sapphire Nitro+ Radeon RX 6800 XT
Which is better, GeForce RTX 5090 or Sapphire Nitro+ Radeon RX 6800 XT? +
GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 17. 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 Sapphire Nitro+ Radeon RX 6800 XT worth the price? +
At $750, Sapphire Nitro+ Radeon RX 6800 XT delivers a Specdex score of 81 — strongest in raster.
Does GeForce RTX 5090 or Sapphire Nitro+ Radeon RX 6800 XT 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 Sapphire Nitro+ Radeon RX 6800 XT? +
GeForce RTX 5090 — leads on raster (100 vs 81). Traditional rendering throughput at high resolution.
Which is better for ray tracing, GeForce RTX 5090 or Sapphire Nitro+ Radeon RX 6800 XT? +
GeForce RTX 5090 — leads on rt (100 vs 71). RT-heavy titles with path-traced lighting.