PNY RTX A400 4GB GDDR6 workstation
Sapphire Radeon RX 7900 XTX PULSE 24GB GDDR6
What Buyers Say
PNY RTX A400 4GB GDDR6 workstation
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Sapphire Radeon RX 7900 XTX PULSE 24GB GDDR6
The Sapphire Pulse RX 7900 XTX is widely praised for its excellent price-to-performance ratio, offering massive 24GB VRAM and strong rasterization that rivals the RTX 4080 at a much lower cost. Users highlight its cool and quiet operation, though some note it runs hot in cases with poor airflow and requires a high-wattage PSU (800W minimum, 1000W recommended). A few negative reviews mention receiving a wrong item (keyboard instead of GPU) or driver issues that were resolved by upgrading other PC components. Overall, it's considered a beast for gaming and 3D work, but not ideal for eGPU setups.
Pros
- Excellent price-to-performance ratio
- Massive 24GB VRAM
- Cool and quiet operation
- Strong rasterization performance
- Great for gaming and 3D work
Cons
- Requires high-wattage PSU (800W min, 1000W recommended)
- Runs hot in cases with poor airflow
- Power spikes up to 400W
- Not ideal for eGPU setups
- Driver issues reported (resolved with system upgrades)
Scores
Specifications
| PNY RTX A400 | Sapphire Radeon RX 7900 XTX PULSE | |
|---|---|---|
| Chipset | ||
| GPU Chipset | RTX A400 | Radeon RX 7900 XTX |
| Brand | NVIDIA | AMD |
| Architecture | Ampere | RDNA 3 |
| Class | workstation | consumer |
| Process | 8 | 5★ |
| Memory | ||
| VRAM | 4 GB | 24 GB★ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | ||
| Bandwidth | ||
| ECC | — | ✗ |
| Compute | ||
| CUDA Cores | No data | |
| Stream Processors | No data | |
| Tensor Cores | ||
| RT Cores | 6 | 96★ |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 2.7060000896453857 | 61.38999938964844★ |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 50★ | 370 |
| Recommended PSU | 450★ | 800 |
| Power Connectors | No | 3 x 8-Pin |
| Cooler | Fan | Triple Fan★ |
| Fans | 1 | 3★ |
| Connectivity | ||
| Interface | PCI Express 4.0 x8 | PCI Express 4.0 x16 |
| DisplayPort | 4★ | 2 |
| HDMI | 0 | 2★ |
| USB-C | 0★ | — |
| Max Displays | 4 | 4 |
| Max Resolution | 4K (2160p) | 7680 x 4320 |
| Physical | ||
| Length | 163★ | 313 |
| Slot Width | 1★ | 3 |
| Form Factor | Full Height | ATX |
| Weight | 0.37 kg★ | 1.95 kg |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | DLSS 4 | FSR |
| AV1 Encode | ✓ | ✓ |
| VR Ready | — | ✓★ |
| DirectX | — | 12 Ultimate |
| RGB | — | ✓★ |
Pros & Cons
PNY RTX A400 4GB GDDR6 workstation
- Strong efficiency (78th percentile)
- Strong connectivity (74th percentile)
- Strong feature (73rd percentile)
- Below average social proof (9th percentile)9th %ile
- Below average ai (15th percentile)15th %ile
- Below average vram (17th percentile)17th %ile
- Below average raster (19th percentile)19th %ile
Sapphire Radeon RX 7900 XTX PULSE 24GB GDDR6
- Strong compute (99th percentile)99th %ile
- Strong feature (96th percentile)96th %ile
- Strong ai (95th percentile)95th %ile
- Strong rt (92nd percentile)92nd %ile
Pricing
Verdict
Scores 88 overall, wins 8 of 8 usage categories and 17 of 41 specs.