Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
PNY Quadro K420 2GB GDDR5 workstation
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
PNY Quadro K420 2GB GDDR5 workstation
The NVIDIA Quadro P400 is well-regarded as a reliable, low-cost multi-monitor solution for office work and professional applications. Users praise its ability to drive three displays simultaneously with no lag, its quiet operation, and its low power consumption. However, some have encountered issues such as intermittent monitor flickering, compatibility problems on older PCs, and warranty concerns when buying from unauthorized vendors. Verified buyers are generally very satisfied, valuing it as a solid budget card for productivity tasks rather than high-end gaming.
Pros
- Drives three monitors simultaneously
- Low power consumption, no extra power cable needed
- Quiet operation
- Good value for price
- Mini DP to DP adapters included
Cons
- Intermittent monitor flickering on some units
- Compatibility issues with older motherboards
- Warranty problems with unauthorized sellers
- Mini DP connectors require adapters
- Not suitable for high-end gaming
Scores
Specifications
| Sapphire Radeon RX 7900 XTX NITRO+ | PNY Quadro K420 | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | Quadro K420 |
| Brand | AMD | NVIDIA |
| Architecture | RDNA 3 | Pascal |
| Class | consumer | workstation |
| Process | 5★ | — |
| Memory | ||
| VRAM | 24 GB★ | 2 GB |
| Memory Type | GDDR6★ | GDDR5 |
| Memory Bus | ||
| Bandwidth | No data | |
| Compute | ||
| CUDA Cores | No data | |
| Stream Processors | No data | |
| Tensor Cores | No data | |
| RT Cores | 96★ | — |
| Base Clock | ||
| Boost Clock | No data | |
| FP16 TFLOPS | No data | |
| FP32 TFLOPS | 61.38999938964844★ | — |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339 | 41★ |
| Recommended PSU | 800★ | — |
| Power Connectors | 3 x 8-Pin | — |
| Cooler | Triple Fan★ | Single Fan |
| Fans | 3★ | — |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | PCI Express 3.0 x16 |
| DisplayPort | 2 | 3★ |
| HDMI | 2★ | 0 |
| USB-C | 1★ | — |
| Max Displays | 4★ | 3 |
| Max Resolution | 7680 x 4320 | 5120 x 2880 |
| Physical | ||
| Length | 320★ | — |
| Slot Width | 4 | 1★ |
| Form Factor | ATX | Low Profile |
| Weight | 1.00 kg | 0.13 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
PNY Quadro K420 2GB GDDR5 workstation
- Strong user sentiment (79th percentile)
- Strong social proof (78th percentile)
- Below average ai (7th percentile)7th %ile
- Below average vram (7th percentile)7th %ile
- Below average rt (9th percentile)9th %ile
- Below average raster (10th percentile)10th %ile
Pricing
PNY Quadro K420 2GB GDDR5 workstation offers 4.2x better value for money
Verdict
Scores 92 overall, wins 8 of 8 usage categories and 24 of 39 specs.
