Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
PowerColor Radeon RX 6900 XT Red Devil 16GB GDDR6
What Buyers Say
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
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
PowerColor Radeon RX 6900 XT Red Devil 16GB GDDR6
The PowerColor Red Devil RX 6900 XT Ultimate is widely praised for its exceptional performance, often matching or exceeding the RTX 3090 in 4K gaming. Users highlight its quiet operation, excellent thermals, and high-quality build, though a small number report issues with one card being defective or underperforming. Overall, it is seen as a top-tier air-cooled GPU for enthusiasts.
Pros
- Exceptional 4K gaming performance
- Quiet operation under load
- Excellent thermal management
- High-quality build and construction
- Attractive RGB lighting design
Cons
- Potential for defective units
- Large physical size
- High power consumption
- Limited availability of software updates
Scores
Specifications
| Sapphire Radeon RX 7900 XTX NITRO+ | PowerColor Radeon RX 6900 XT Red Devil | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | Radeon RX 6900 XT |
| Brand | AMD | AMD |
| Architecture | RDNA 3 | RDNA 2 |
| Class | consumer | consumer |
| Process | 5★ | 7 |
| Memory | ||
| VRAM | 24 GB★ | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| Stream Processors | ||
| Tensor Cores | No data | |
| RT Cores | 96★ | 80 |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 61.38999938964844★ | 23.040000915527344 |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339 | 300★ |
| Recommended PSU | 800★ | 900 |
| Power Connectors | 3 x 8-Pin | 3 x 8-Pin |
| Cooler | Triple Fan | Triple 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 | 7680 x 4320 |
| Physical | ||
| Length | 320 | 320 |
| Slot Width | 4 | 3★ |
| Form Factor | ATX | ATX |
| Weight | 1.00 kg★ | 2.00 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 Silver
- Strong connectivity (99th percentile)99th %ile
- Strong rt (96th percentile)96th %ile
- Strong compute (95th percentile)95th %ile
- Strong ai (95th percentile)95th %ile
- Below average affordability (16th percentile)16th %ile
PowerColor Radeon RX 6900 XT Red Devil 16GB GDDR6
- Strong thermal (92nd percentile)92nd %ile
- Strong rt (87th percentile)87th %ile
- Strong feature (79th percentile)
- Strong ai (74th percentile)
- Below average affordability (27th percentile)
Pricing
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver offers 2.7x better value for money
Verdict
Scores 96 overall, wins 8 of 8 usage categories and 18 of 39 specs.
