Sapphire Nitro+ Radeon RX 7800 XT
RDNA 3 · 16 GB GDDR6 · 263 W · Nitro+
Sapphire Nitro+ Radeon RX 7900 XT
RDNA 3 · 20 GB GDDR6 · 315 W · Nitro+
Sapphire Nitro+ Radeon RX 7900 XT takes it — here’s why.
In our weighted Specdex score, Sapphire Nitro+ Radeon RX 7800 XT lands at 84 and Sapphire Nitro+ Radeon RX 7900 XT at 88. That puts Sapphire Nitro+ Radeon RX 7900 XT ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Sapphire Nitro+ Radeon RX 7800 XT if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Pick Sapphire Nitro+ Radeon RX 7900 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
Sapphire Nitro+ Radeon RX 7900 XTTraditional rendering throughput at high resolution
Sapphire Nitro+ Radeon RX 7900 XT leads on raster (88 vs 84).
Ray tracing
Sapphire Nitro+ Radeon RX 7900 XTRT-heavy titles with path-traced lighting
Sapphire Nitro+ Radeon RX 7900 XT leads on rt (78 vs 74).
AI workloads
Sapphire Nitro+ Radeon RX 7900 XTLocal inference, upscaling, generative tools
Sapphire Nitro+ Radeon RX 7900 XT leads on ai (73 vs 69).
Power efficiency
TieFrames per watt — heat, noise, and PSU sizing
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
Sapphire Nitro+ Radeon RX 7800 XTSpecdex score per dollar at MSRP
Sapphire Nitro+ Radeon RX 7800 XT more score per dollar ($588 vs $1,020).
Score breakdown
Specs side-by-side
| Spec | Sapphire Nitro+ Radeon RX 7800 XT | Sapphire Nitro+ Radeon RX 7900 XT |
|---|---|---|
| Architecture | RDNA 3 | RDNA 3 |
| VRAM | 16 GB GDDR6 | ▲ 20 GB GDDR6 |
| TBP | 263 W | 315 W |
| Release year | 2023 | 2022 |
Sapphire Nitro+ Radeon RX 7800 XT
- +More VRAM at price tier
- +FSR support
- +Driver open-source on Linux
- −RT trails NVIDIA
- −AI ecosystem smaller
- −Driver day-0 bugs
Sapphire Nitro+ Radeon RX 7900 XT
- +More VRAM at price tier
- +FSR support
- +Driver open-source on Linux
- −RT trails NVIDIA
- −AI ecosystem smaller
- −Driver day-0 bugs
FAQ: Sapphire Nitro+ Radeon RX 7800 XT vs Sapphire Nitro+ Radeon RX 7900 XT
Which is better, Sapphire Nitro+ Radeon RX 7800 XT or Sapphire Nitro+ Radeon RX 7900 XT? +
Sapphire Nitro+ Radeon RX 7900 XT scores 88 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.
Is Sapphire Nitro+ Radeon RX 7800 XT worth the price? +
At $588, Sapphire Nitro+ Radeon RX 7800 XT delivers a Specdex score of 84 — strongest in raster.
Is Sapphire Nitro+ Radeon RX 7900 XT worth the price? +
At $1,020, Sapphire Nitro+ Radeon RX 7900 XT delivers a Specdex score of 88 — strongest in raster.
Does Sapphire Nitro+ Radeon RX 7800 XT or Sapphire Nitro+ Radeon RX 7900 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, Sapphire Nitro+ Radeon RX 7800 XT or Sapphire Nitro+ Radeon RX 7900 XT? +
Sapphire Nitro+ Radeon RX 7900 XT — leads on raster (88 vs 84). Traditional rendering throughput at high resolution.
Which is better for ray tracing, Sapphire Nitro+ Radeon RX 7800 XT or Sapphire Nitro+ Radeon RX 7900 XT? +
Sapphire Nitro+ Radeon RX 7900 XT — leads on rt (78 vs 74). RT-heavy titles with path-traced lighting.