Radeon RX 7900 XT
RDNA 3 · 20 GB GDDR6 · 315 W
Radeon RX 7800 XT
RDNA 3 · 16 GB GDDR6 · 263 W
Radeon RX 7900 XT takes it — here’s why.
In our weighted Specdex score, Radeon RX 7900 XT lands at 88 and Radeon RX 7800 XT at 84. That puts Radeon RX 7900 XT ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Radeon RX 7900 XT if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Pick Radeon RX 7800 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
Radeon RX 7900 XTTraditional rendering throughput at high resolution
Radeon RX 7900 XT leads on raster (88 vs 84).
Ray tracing
Radeon RX 7900 XTRT-heavy titles with path-traced lighting
Radeon RX 7900 XT leads on rt (78 vs 74).
AI workloads
Radeon RX 7900 XTLocal inference, upscaling, generative tools
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
Radeon RX 7800 XTSpecdex score per dollar at MSRP
Radeon RX 7800 XT more score per dollar ($499 vs $899).
Score breakdown
Specs side-by-side
| Spec | Radeon RX 7900 XT | Radeon RX 7800 XT |
|---|---|---|
| Architecture | RDNA 3 | RDNA 3 |
| VRAM | ▲ 20 GB GDDR6 | 16 GB GDDR6 |
| TBP | 315 W | 263 W |
| Release year | 2022 | 2023 |
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
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
FAQ: Radeon RX 7900 XT vs Radeon RX 7800 XT
Which is better, Radeon RX 7900 XT or Radeon RX 7800 XT? +
Radeon RX 7900 XT scores 88 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.
Is Radeon RX 7900 XT worth the price? +
At $899, Radeon RX 7900 XT delivers a Specdex score of 88 — strongest in raster.
Is Radeon RX 7800 XT worth the price? +
At $499, Radeon RX 7800 XT delivers a Specdex score of 84 — strongest in raster.
Does Radeon RX 7900 XT or Radeon RX 7800 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, Radeon RX 7900 XT or Radeon RX 7800 XT? +
Radeon RX 7900 XT — leads on raster (88 vs 84). Traditional rendering throughput at high resolution.
Which is better for ray tracing, Radeon RX 7900 XT or Radeon RX 7800 XT? +
Radeon RX 7900 XT — leads on rt (78 vs 74). RT-heavy titles with path-traced lighting.