Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
QTHREE Radeon RX 550 4GB GDDR5
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
QTHREE Radeon RX 550 4GB GDDR5
This budget-friendly graphics card is a great fit for upgrading older small form factor PCs, with several verified 5-star reviews praising its multi-monitor support and plug-and-play ease on Linux. However, a few serious issues stand out: one verified buyer got repeated blue-screen lockups, the fan speed sensor is non-functional on another unit, and the lack of a driver disc forces users to hunt down updates online. Overall, it is a capable low-end card for light gaming and office work, but reliability and support documentation are hit-or-miss.
Pros
- Excellent multi-monitor support up to 3 displays
- Plays Minecraft and Roblox smoothly on i5-8500
- Easy plug-and-play installation on Linux
- Great for reviving older small form factor PCs
- Works well for light gaming and office tasks
Cons
- Causes BitLocker blue screen lockups on some systems
- Fan speed sensor does not work or show readings
- No driver disc included in package
- Requires bracket modification for VGA in small cases
- Does not support Meta VR headsets
Scores
Specifications
| Sapphire Radeon RX 7900 XTX NITRO+ | QTHREE Radeon RX 550 | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | Radeon RX 550 |
| Brand | AMD | AMD |
| Architecture | RDNA 3 | Polaris |
| Class | consumer | consumer |
| Process | 5★ | 14 |
| Memory | ||
| VRAM | 24 GB★ | 4 GB |
| Memory Type | GDDR6★ | GDDR5 |
| Memory Bus | ||
| Bandwidth | No data | |
| Compute | ||
| Stream Processors | ||
| Tensor Cores | No data | |
| RT Cores | 96★ | — |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | No data | |
| FP32 TFLOPS | 61.38999938964844★ | — |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339 | 50★ |
| Recommended PSU | 800 | 450★ |
| Power Connectors | 3 x 8-Pin | None |
| Cooler | Triple Fan★ | Single Fan |
| Fans | 3★ | 1 |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | PCI Express 3.0 X8 |
| DisplayPort | 2★ | 1 |
| HDMI | 2★ | 1 |
| USB-C | 1★ | 0 |
| Max Displays | 4★ | 3 |
| Max Resolution | 7680 x 4320 | 4096x2160 |
| Physical | ||
| Length | 320 | 170★ |
| Slot Width | 4 | 2★ |
| Form Factor | ATX | Low Profile |
| Weight | 1.00 kg | 0.33 kg★ |
| Features | ||
| Ray Tracing | ✓★ | ✗ |
| Upscaling | FSR 3.1 | — |
| AV1 Encode | ✓★ | — |
| DirectX | 12 Ultimate | 12 |
| RGB | ✓★ | — |
Pros & Cons
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
- 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 (15th percentile)15th %ile
QTHREE Radeon RX 550 4GB GDDR5
- Strong affordability (89th percentile)89th %ile
- Below average compute (4th percentile)4th %ile
- Below average feature (12th percentile)12th %ile
- Below average rt (12th percentile)12th %ile
- Below average ai (13th percentile)13th %ile
Pricing
Verdict
Scores 96 overall, wins 8 of 8 usage categories and 23 of 38 specs.
