Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
Cuifati Radeon HD 6450 2GB DDR3
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
Cuifati Radeon HD 6450 2GB DDR3
The Radeon HD6450 graphics card receives mixed feedback. Some users praise its performance and professional service, but several verified buyers report it is not 4K as advertised, only supporting 1080p. There are also concerns about potential shipping damage and missing DisplayPort. Overall, the card may work for basic needs but fails to deliver on key advertised features.
Pros
- Professional service
- Good performance for basic needs
- Multiple outputs (HDMI, DVI, VGA)
Cons
- Not 4K as advertised
- Only 1080p support
- Missing DisplayPort
- Potential shipping damage
- Possible open box resealed product
Scores
Specifications
| Sapphire Radeon RX 7900 XTX NITRO+ | Cuifati Radeon HD 6450 | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | Radeon HD 6450 |
| Brand | AMD | AMD |
| Architecture | RDNA 3 | RDNA 3.0 |
| Class | consumer | consumer |
| Process | 5★ | 40 |
| Memory | ||
| VRAM | 24 GB★ | 2 GB |
| Memory Type | GDDR6★ | DDR3 |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| CUDA Cores | No data | |
| Stream Processors | No data | |
| Tensor Cores | No data | |
| RT Cores | 96★ | 54 |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 61.38999938964844★ | 27.649999618530273 |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | No data | |
| Power & Cooling | ||
| TDP | 339 | 295★ |
| Recommended PSU | 800 | 450★ |
| Power Connectors | 3 x 8-Pin | — |
| Cooler | Triple Fan★ | — |
| Fans | 3★ | — |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | PCI Express x16 2.1 |
| DisplayPort | 2★ | 0 |
| HDMI | 2★ | 1 |
| USB-C | 1★ | — |
| Max Displays | 4★ | 3 |
| Max Resolution | 7680 x 4320 | 4K |
| Physical | ||
| Length | 320★ | — |
| Slot Width | 4★ | — |
| Form Factor | ATX | — |
| Weight | 1.00 kg | 0.25 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 compute (99th percentile)99th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong ai (95th percentile)95th %ile
- Strong rt (92nd percentile)92nd %ile
Cuifati Radeon HD 6450 2GB DDR3
- Strong compute (75th percentile)
- Below average user sentiment (3rd percentile)3rd %ile
- Below average social proof (4th percentile)4th %ile
- Below average efficiency (7th percentile)7th %ile
- Below average thermal (7th percentile)7th %ile
Pricing
Verdict
Scores 93 overall, wins 8 of 8 usage categories and 25 of 39 specs.
