Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
PowerColor Radeon RX 6600 XT Red Devil 8GB 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
PowerColor Radeon RX 6600 XT Red Devil 8GB GDDR6
The PowerColor Red Devil RX 6600 XT is praised for its strong 1080p and 1440p gaming performance, quiet operation, and attractive design with RGB. However, many reviewers warn that it is overpriced at current or original MSRP, and some have experienced driver issues, flickering, or boot problems. It is best recommended for those who can find it under $300 or for mining purposes.
Pros
- Strong 1080p and 1440p gaming performance
- Quiet operation
- Attractive design with RGB
- Good cooling system
- Great for mining
Cons
- Overpriced at current MSRP
- Driver issues and crashes
- Flickering on alt-tab
- Boot/post problems with some systems
- Coil whine occasionally
Scores
Specifications
| Sapphire Radeon RX 7900 XTX NITRO+ | PowerColor Radeon RX 6600 XT Red Devil | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | Radeon RX 6600 XT |
| Brand | AMD | AMD |
| Architecture | RDNA 3 | RDNA 2 |
| Class | consumer | consumer |
| Process | 5★ | 7 |
| Memory | ||
| VRAM | 24 GB★ | 8 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| Stream Processors | ||
| Tensor Cores | No data | |
| RT Cores | 96★ | 32 |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 61.38999938964844★ | 10.600000381469727 |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339 | 160★ |
| Recommended PSU | 800 | 450★ |
| Power Connectors | 3 x 8-Pin | — |
| Cooler | Triple Fan★ | Dual Fan |
| Fans | 3★ | 2 |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | — |
| DisplayPort | 2★ | — |
| HDMI | 2★ | 1 |
| USB-C | 1★ | — |
| Max Displays | 4★ | — |
| Max Resolution | 7680 x 4320 | 7680x4320 |
| Physical | ||
| Length | 320★ | — |
| Slot Width | 4★ | — |
| Form Factor | ATX | — |
| Weight | 1.00 kg★ | 1.00 kg |
| Features | ||
| Ray Tracing | ✓★ | — |
| Upscaling | FSR 3.1 | — |
| AV1 Encode | ✓★ | — |
| DirectX | 12 Ultimate | — |
| RGB | ✓ | ✓ |
Pros & Cons
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
- 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 (15th percentile)15th %ile
PowerColor Radeon RX 6600 XT Red Devil 8GB GDDR6
- Strong social proof (78th percentile)
- Strong efficiency (67th percentile)
- Below average connectivity (20th percentile)20th %ile
- Below average feature (24th percentile)
- Below average user sentiment (28th percentile)
- Below average vram (32nd percentile)
Pricing
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
PowerColor Radeon RX 6600 XT Red Devil 8GB GDDR6
No current pricing available
Verdict
Scores 96 overall, wins 8 of 8 usage categories and 24 of 38 specs.
