Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
ASRock Radeon RX 6600 XT Challenger D 8GB 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
ASRock Radeon RX 6600 XT Challenger D 8GB GDDR6
The ASRock Challenger D Radeon RX 6600 XT is overwhelmingly praised as a beast for 1080p gaming, delivering high frame rates at ultra settings with ease. While most users report smooth installation and great performance, a notable minority experienced driver conflicts and black screen issues when switching from Nvidia to AMD, though some resolved these with workarounds. The card is also valued for its quiet operation, efficient cooling, and good value for money compared to competitors like the RTX 3060.
Pros
- Excellent 1080p gaming performance
- Good price-to-performance ratio
- Quiet operation
- Efficient cooling
- Plug-and-play on Linux
Cons
- Driver issues with Nvidia-to-AMD switch
- Black screen problems during driver install
- No RGB lighting on side logo
- 128-bit memory bus
Scores
Specifications
| Sapphire Radeon RX 7900 XTX NITRO+ | ASRock Radeon RX 6600 XT Challenger D | |
|---|---|---|
| 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 | 500★ |
| Power Connectors | 3 x 8-Pin | 1 x 8-pin |
| Cooler | Triple Fan★ | Dual Fan |
| Fans | 3★ | 2 |
| 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 | 269★ |
| Slot Width | 4 | 2★ |
| Form Factor | ATX | Full Height |
| Weight | 1.00 kg | 0.64 kg★ |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | FSR 3.1 | FSR |
| AV1 Encode | ✓★ | — |
| 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
ASRock Radeon RX 6600 XT Challenger D 8GB GDDR6
- Strong efficiency (67th percentile)
- Below average vram (32nd percentile)
- Below average compute (33rd percentile)
Verdict
Scores 96 overall, wins 8 of 8 usage categories and 19 of 38 specs.