Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
Sapphire
96 综合评分
vs
ASUS GeForce RTX 5080 ROG Astral 16GB GDDR7 Black
ASUS
83 综合评分
选择Sapphire Radeon RX，如果...
Buy the Sapphire if you want proven 4K gaming performance, a massive 24GB VRAM buffer for longevity, and a card that owners consistently praise for quiet, cool operation.
选择ASUS GeForce RTX，如果...
The ASUS ROG Astral might appeal to someone chasing the newest architecture and GDDR7, but with zero real-world validation from buyers, you're essentially beta testing a $2,000+ card.
主要区别
- VRAM is the headline: 24GB GDDR6 on the Sapphire versus 16GB GDDR7 on the ASUS. The ASUS has faster memory, but 16GB is already tight for 4K textures in some titles, and that gap will only widen.
- Raw compute favors the Sapphire hard. FP16 comes in at 122.8 TFLOPS versus 56.3 on the ASUS, and FP32 is 61.4 versus 56.3. The Sapphire's 96 RT cores also beat the ASUS's 84.
- The ASUS wins on PassMark G3D (35,666 vs 31,427) and GPU Compute (19,602 vs 17,736), so it's not a total wash. But synthetic benchmarks don't tell the whole story when the card has a single 1-star review.
- Power draw is 339W on the Sapphire versus 360W on the ASUS. Neither is efficient, but the Sapphire gives you more performance per watt while still demanding a solid 850W+ PSU.
- Customer sentiment is the real kicker. The Sapphire sits at 4.4/5 from 688 reviews with owners raving about quiet operation and cool temps. The ASUS has one review and it's a 1.0. That's not a sample size, that's a warning sign.
买家怎么说
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
88 满分 100 置信度高 43 条评价
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
Performance 4k 12
Noise level 15
Cooling efficiency 14
Build quality 8
Coil whine 7
Power consumption 6
ASUS GeForce RTX 5080 ROG Astral 16GB GDDR7 Black
暂无用户反馈
评分
Ray Tracing
Gaming 4k
Gaming 1440p
Content Creation
Gaming 1080p
Ai Llm
Workstation
Budget
规格
| Sapphire Radeon RX 7900 XTX NITRO+ | ASUS GeForce RTX 5080 ROG Astral | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | GeForce RTX 5080 |
| Brand | AMD | NVIDIA |
| Architecture | RDNA 3 | Blackwell |
| Class | consumer | consumer |
| Process | 5 | 5 |
| Memory | ||
| VRAM | 24 GB★ | 16 GB |
| Memory Type | GDDR6 | GDDR7★ |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| CUDA Cores | 无数据 | |
| Stream Processors | 无数据 | |
| Tensor Cores | ||
| RT Cores | 96★ | 84 |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 61.38999938964844★ | 56.279998779296875 |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339★ | 360 |
| Recommended PSU | 800★ | 850 |
| Power Connectors | 3 x 8-Pin | 1 x 16-pin |
| Cooler | Triple Fan | Triple Fan |
| Fans | 3 | 4★ |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | PCI Express 5.0 x16 |
| DisplayPort | 2 | 3★ |
| HDMI | 2 | 2 |
| USB-C | 1★ | — |
| Max Displays | 4 | 4 |
| Max Resolution | 7680 x 4320 | 8K |
| Physical | ||
| Length | 320 | 300★ |
| Slot Width | 4 | 4 |
| Form Factor | ATX | Full Height |
| Weight | 1.00 kg★ | 4.88 kg |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | FSR 3.1 | DLSS 4 |
| AV1 Encode | ✓★ | ✗ |
| VR Ready | — | ✓★ |
| DirectX | 12 Ultimate | 12 |
| RGB | ✓ | ✓ |
优缺点
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 (18th percentile)18th %ile
ASUS GeForce RTX 5080 ROG Astral 16GB GDDR7 Black
- Strong rt (95th percentile)95th %ile
- Strong raster (94th percentile)94th %ile
- Strong compute (93rd percentile)93rd %ile
- Strong connectivity (89th percentile)89th %ile
- Below average social proof (0th percentile)0th %ile
- Below average affordability (4th percentile)4th %ile
价格
结论
胜出: Sapphire Radeon RX 7900 XTX NITRO+
Scores 96 overall, wins 8 of 8 usage categories and 12 of 40 specs.
