Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
NVIDIA RTX A4000 16GB GDDR6 workstation
Buy the Sapphire NITRO+ RX 7900 XTX if you want top-tier 4K gaming performance, 24GB of VRAM for future-proofing, and a card that owners consistently praise for staying cool and quiet under load.
Buy the RTX A4000 if you need a low-power, ECC-equipped workstation card for modeling, rendering, or other precision tasks where 140W TDP and driver stability matter more than frame rates.
Diferencias clave
- Raw gaming performance isn't even close: the Sapphire scores 91 in 4K gaming and 89 in 1080p, while the A4000 manages 39 and 45 respectively. The Sapphire's 61.4 FP32 TFLOPS vs the A4000's 19.2 tells the whole story.
- VRAM and memory bandwidth heavily favor the Sapphire: 24GB on a 384-bit bus with 960 GB/s bandwidth vs the A4000's 16GB on a 256-bit bus with 448 GB/s. That's more than double the bandwidth for high-res textures and large datasets.
- Power draw is where the A4000 wins big: 140W TDP vs 339W for the Sapphire. The A4000 can run in a modest workstation without a PSU upgrade, while the Sapphire needs a solid 850W+ unit and a 4-slot clearance.
- Real-world sentiment backs the Sapphire: 688 reviews at 4.4/5 with owners raving about quiet operation, efficient cooling, and no coil whine. The A4000 only has 8 reviews and buyers are still asking basic questions about power requirements and warranty coverage.
- Price-to-performance is lopsided: the Sapphire scores 76 in budget vs the A4000's 38. You're paying workstation tax on the A4000 for ECC memory and pro drivers, not for speed.
Lo que dicen los compradores
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
La Sapphire Nitro+ RX 7900 XTX recibe grandes elogios por su rendimiento en 4K, su funcionamiento silencioso y su refrigeración fiable. La mayoría de los compradores verificados destacan su tamaño compacto en comparación con otras tarjetas de gama alta, los 24 GB de VRAM y la ausencia de ruido de bobina. Algunos reseñadores mencionan un ligero ruido de bobina ocasional y un alto consumo de energía, pero la opinión general es abrumadoramente positiva.
Ventajas
- Excelente rendimiento en juegos 4K
- Funcionamiento muy silencioso
- Refrigeración eficiente con bajas temperaturas
- Tamaño compacto para una tarjeta de gama alta
- 24 GB de VRAM para longevidad
Desventajas
- Alto consumo de energía
- Ruido de bobina ocasional
- Fuente de alimentación de 850W+ requerida
- Diseño grande de 4 ranuras
NVIDIA RTX A4000 16GB GDDR6 workstation
La NVIDIA RTX A4000 es una tarjeta gráfica profesional adecuada para tareas de modelado y renderizado, con memoria ECC que mejora la fiabilidad para trabajos de precisión. Los usuarios preguntan sobre sus requisitos de alimentación, cobertura de garantía y compatibilidad con placas base PCIe 3.0, indicando que funciona con PCIe 3.0 pero puede beneficiarse de PCIe 4.0. En general, la tarjeta se considera una solución de estación de trabajo capaz, aunque se buscan detalles sobre los requisitos del sistema y el soporte.
Ventajas
- Memoria ECC para fiabilidad
- Rendimiento de grado profesional
- Compatible con PCIe 3.0
Desventajas
- Detalles de garantía poco claros
- Especificaciones de fuente de alimentación no especificadas
- Requisitos del sistema no listados
Puntuaciones
Especificaciones
| Sapphire Radeon RX 7900 XTX NITRO+ | NVIDIA RTX A4000 | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | RTX A4000 |
| Brand | AMD | NVIDIA |
| Architecture | RDNA 3 | Ampere |
| Class | consumer | workstation |
| Process | 5★ | 8 |
| Memory | ||
| VRAM | 24 GB★ | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | ||
| Bandwidth | ||
| ECC | — | ✓★ |
| Compute | ||
| CUDA Cores | Sin datos | |
| Stream Processors | Sin datos | |
| Tensor Cores | ||
| RT Cores | 96★ | 48 |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 61.38999938964844★ | 19.170000076293945 |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339 | 140★ |
| Recommended PSU | 800★ | — |
| Power Connectors | 3 x 8-Pin | — |
| Cooler | Triple Fan★ | Single Fan |
| Fans | 3★ | 1 |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | PCI Express 4.0 x16 |
| DisplayPort | 2 | 4★ |
| HDMI | 2★ | 0 |
| USB-C | 1★ | 0 |
| Max Displays | 4 | 4 |
| Max Resolution | 7680 x 4320 | 7680 x 4320 |
| Physical | ||
| Length | 320 | 241★ |
| Slot Width | 4 | 1★ |
| Form Factor | ATX | Full Height |
| Weight | 1.00 kg | 0.60 kg★ |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | FSR 3.1 | DLSS |
| AV1 Encode | ✓★ | — |
| VR Ready | — | ✓★ |
| DirectX | 12 Ultimate | 12 Ultimate |
| RGB | ✓★ | — |
Pros y Contras
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
- Strong connectivity (99th percentile)99th %ile
- Strong rt (96th percentile)96th %ile
- Strong compute (96th percentile)96th %ile
- Strong ai (95th percentile)95th %ile
- Below average affordability (19th percentile)19th %ile
NVIDIA RTX A4000 16GB GDDR6 workstation
- Strong efficiency (92nd percentile)92nd %ile
- Strong feature (86th percentile)86th %ile
- Strong user sentiment (72nd percentile)
- Strong ai (70th percentile)
- Below average affordability (21st percentile)
- Below average thermal (27th percentile)
- Below average social proof (29th percentile)
Precios
Veredicto
Scores 96 overall, wins 8 of 8 usage categories and 19 of 41 specs.
