NVIDIA GeForce RTX 5080 16GB GDDR7
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
The NVIDIA VCG5 makes sense if you're deep into AI workloads or CUDA-specific tasks where those extra tensor cores and GDDR7 bandwidth actually pay off.
Buy the Sapphire NITRO+ if you want max 4K gaming performance, tons of VRAM for longevity, and a card that runs quiet and cool without breaking the bank.
主な違い
- VRAM is 24GB on the Sapphire vs 16GB on the VCG5, and the Sapphire's 384-bit memory bus gives it way more bandwidth headroom for high-res textures.
- The Sapphire scores 96 overall vs 73 for the VCG5, with a 91 vs 81 gap in 4K gaming and 93 vs 79 in ray tracing, so it's not even close for gamers.
- Sapphire owners consistently report quiet operation and excellent cooling, while the VCG5 has zero verified reviews, so real-world reliability is a big unknown.
- The Sapphire pulls 339W vs 360W on the VCG5, so you get more performance with less power draw, though both cards will want a beefy PSU.
- The VCG5's GDDR7 memory is newer tech, but the Sapphire's raw FP32 throughput (61.4 vs 56.3 TFLOPS) means it still wins in most rasterized workloads.
購入者の声
NVIDIA GeForce RTX 5080 16GB GDDR7
まだレビューがありません
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
Sapphire Nitro+ RX 7900 XTXは、圧倒的な4K性能、静かな動作、そして信頼性の高い冷却機能で高く評価されています。検証済みの購入者の多くは、他のハイエンドカードと比較したコンパクトなサイズ、24GBのVRAM、コイル鳴きの少なさを高く評価しています。一部のレビューでは、時折コイル鳴きが発生することや、消費電力の高さが指摘されていますが、全体的な評価は非常に肯定的です。
長所
- 優れた4Kゲーミング性能
- 非常に静かな動作
- 低温度での効率的な冷却
- ハイエンドカードとしてはコンパクト
- 長寿命のための24GB VRAM
短所
- 高い消費電力
- 時折のコイル鳴き
- 850W以上の電源が必要
- 大型の4スロットデザイン
スコア
スペック
| NVIDIA GeForce RTX 5080 | Sapphire Radeon RX 7900 XTX NITRO+ | |
|---|---|---|
| Chipset | ||
| GPU Chipset | GeForce RTX 5080 | Radeon RX 7900 XTX |
| Brand | NVIDIA | AMD |
| Architecture | Blackwell | RDNA 3 |
| Class | consumer | consumer |
| Process | 5 | 5 |
| Memory | ||
| VRAM | 16 GB | 24 GB★ |
| Memory Type | GDDR7★ | GDDR6 |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| Stream Processors | データなし | |
| Tensor Cores | ||
| RT Cores | 84 | 96★ |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 56.279998779296875 | 61.38999938964844★ |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 360 | 339★ |
| Recommended PSU | 750★ | 800 |
| Power Connectors | — | 3 x 8-Pin |
| Cooler | Triple Fan | Triple Fan |
| Fans | 3 | 3 |
| Connectivity | ||
| Interface | PCI Express 5.0 | PCI Express 4.0 x16 |
| DisplayPort | 3★ | 2 |
| HDMI | 1 | 2★ |
| USB-C | — | 1★ |
| Max Displays | 4 | 4 |
| Max Resolution | 8K 165Hz | 7680 x 4320 |
| Physical | ||
| Length | — | 320★ |
| Slot Width | 3★ | 4 |
| Form Factor | — | ATX |
| Weight | 3.63 kg | 1.00 kg★ |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | DLSS 4 | FSR 3.1 |
| AV1 Encode | — | ✓★ |
| DirectX | — | 12 Ultimate |
| RGB | — | ✓★ |
長所と短所
NVIDIA GeForce RTX 5080 16GB GDDR7
- Strong rt (95th percentile)95th %ile
- Strong raster (94th percentile)94th %ile
- Strong vram (89th percentile)89th %ile
- Strong ai (85th percentile)85th %ile
- Below average affordability (0th percentile)0th %ile
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
価格
結論
Scores 96 overall, wins 8 of 8 usage categories and 15 of 38 specs.