Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
QTHREE Radeon RX 550 4GB GDDR5
买家怎么说
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6
Sapphire Nitro+ RX 7900 XTX 凭借其出色的4K性能、安静运行和可靠的散热获得高度赞誉。大多数已验证买家强调其相比其他高端显卡更紧凑的尺寸、24GB大显存以及无电感啸叫的优点。部分评论提到偶尔会有电感啸叫和高功耗,但整体情绪非常积极。
优点
- 出色的4K游戏性能
- 运行非常安静
- 低温高效散热
- 高端显卡中紧凑的尺寸
- 24GB显存,使用寿命长
缺点
- 功耗较高
- 偶尔的电感啸叫
- 需要850W以上电源
- 大型4槽设计
QTHREE Radeon RX 550 4GB GDDR5
这款廉价显卡非常适合升级旧式小型台式机,多个已验证的5星评论赞扬其多显示器支持和在Linux上的即插即用安装。然而,也暴露出一些严重问题:一位已验证买家每次插入时都会出现BitLocker蓝屏死机,另一台风扇转速传感器无法工作,并且缺少驱动光盘迫使在线寻找更新。总体而言,这是一款适合轻度游戏和办公的入门级显卡,但可靠性和文档参差不齐。
优点
- 出色的多显示器支持(最多3台)
- 在i5-8500上顺畅运行Minecraft和Roblox
- Linux上即插即用安装简单
- 适合复活老旧小型台式机
- 适合轻度游戏和办公
缺点
- 在某些系统上引起BitLocker蓝屏死机
- 风扇转速传感器不工作
- 包装内不含驱动光盘
- 小机箱中VGA接口需要支架改造
- 不支持Meta VR头戴设备
评分
规格
| 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 | 无数据 | |
| Compute | ||
| Stream Processors | ||
| Tensor Cores | 无数据 | |
| RT Cores | 96★ | — |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | 无数据 | |
| 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 | ✓★ | — |
优缺点
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
价格
QTHREE Radeon RX 550 4GB GDDR5 性价比高 2.0 倍
结论
Scores 96 overall, wins 8 of 8 usage categories and 23 of 38 specs.