Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
XFX Radeon RX 6900 XT Speedster MERC319 16GB GDDR6
What Buyers Say
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
The Sapphire Nitro+ RX 7900 XTX earns strong praise for its blistering 4K performance, quiet operation, and reliable cooling. Most verified buyers highlight its compact size relative to competing high-end cards, the generous 24GB VRAM, and the absence of coil whine as major pluses. A few reviewers note that coil whine can occasionally occur, and the card demands a robust 850W+ PSU, but overall sentiment is overwhelmingly positive.
Pros
- Excellent 4K gaming performance
- Very quiet operation
- Efficient cooling with low temperatures
- Compact size for a high-end card
- 24GB VRAM for longevity
Cons
- High power consumption
- Occasional coil whine
- Requires 850W+ PSU minimum
- Large 4-slot design
XFX Radeon RX 6900 XT Speedster MERC319 16GB GDDR6
The XFX Speedster MERC319 Radeon RX 6900 XT is a powerful GPU that delivers excellent 1440p and 4k gaming performance, often outperforming the RTX 3090 in rasterization. Users praise its raw power, cool temperatures with adequate airflow, and minimalist design, but note it is large, heavy, and requires a support bracket. Common complaints include noticeable coil whine under load and loud fans, though many find these acceptable given the performance and value, especially when purchased under $900.
Pros
- Excellent 1440p and 4k gaming performance
- Runs cool with good airflow
- Minimalist and sleek design
- Great value for money under $900
- 16GB VRAM handles ultra textures
Cons
- Noticeable coil whine under load
- Loud fans under demanding games
- Large and heavy, requires support bracket
- Needs tweaking out of the box for optimal performance
- Runs warm without adequate airflow
Scores
Specifications
| Sapphire Radeon RX 7900 XTX NITRO+ | XFX Radeon RX 6900 XT Speedster MERC319 | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | Radeon RX 6900 XT |
| Brand | AMD | AMD |
| Architecture | RDNA 3 | RDNA 2 |
| Class | consumer | consumer |
| Process | 5★ | 14 |
| Memory | ||
| VRAM | 24 GB★ | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| Stream Processors | No data | |
| Tensor Cores | No data | |
| RT Cores | 96★ | 80 |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 61.38999938964844★ | 2.6110000610351562 |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339 | 300★ |
| Recommended PSU | 800★ | 850 |
| Power Connectors | 3 x 8-Pin | — |
| Cooler | Triple Fan★ | Fan |
| Fans | 3 | 3 |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | PCI Express 4.0 |
| DisplayPort | 2 | 3★ |
| HDMI | 2★ | 1 |
| USB-C | 1★ | — |
| Max Displays | 4 | 4 |
| Max Resolution | 7680 x 4320 | 3840x2160 |
| Physical | ||
| Length | 320★ | 340 |
| Slot Width | 4 | 1★ |
| Form Factor | ATX | — |
| Weight | 1.00 kg★ | 2.30 kg |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | FSR 3.1 | AMD FidelityFX |
| AV1 Encode | ✓★ | — |
| VR Ready | — | ✓★ |
| DirectX | 12 Ultimate | 12 Ultimate |
| RGB | ✓★ | — |
Pros & Cons
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
- Strong compute (99th percentile)99th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong ai (95th percentile)95th %ile
- Strong rt (92nd percentile)92nd %ile
XFX Radeon RX 6900 XT Speedster MERC319 16GB GDDR6
- Strong rt (87th percentile)87th %ile
- Strong social proof (82nd percentile)82nd %ile
- Strong user sentiment (72nd percentile)
- Strong raster (72nd percentile)
- Below average compute (31st percentile)
Verdict
Scores 93 overall, wins 8 of 8 usage categories and 21 of 39 specs.