NVIDIA B300 对比 NVIDIA RTX 4000 Ada — GPU 比较 (Apr 2026)
NVIDIA B300 (288GB HBM3e, 2,250 TFLOPS FP16, Blackwell Ultra) vs NVIDIA RTX 4000 Ada (20GB GDDR6, 107 TFLOPS FP16, Ada Lovelace). Cloud pricing: NVIDIA RTX 4000 Ada from $0.76/hr. Compare specs, VRAM, performance, and pricing across 1 cloud providers to find the best GPU for your AI workload.
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NVIDIA B300
288GB HBM3e · Blackwell Ultra
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NVIDIA RTX 4000 Ada
20GB GDDR6 · Ada Lovelace
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| 规格 | |||
| 制造商 | NVIDIA | NVIDIA | |
| 架构 | Blackwell Ultra | Ada Lovelace | |
| VRAM | 288 GB HBM3e | 20 GB GDDR6 | |
| 带宽 | 8,000 GB/s | 360 GB/s | |
| FP16 (Tensor) | 2250.0 TFLOPS | 107.0 TFLOPS | |
| FP32 | 75.0 TFLOPS | 26.7 TFLOPS | |
| TDP | 1400W | 130W | |
| 发布年份 | 2025 | 2023 | |
| 细分市场 | Data center | Professional | |
| 适用场景 | Frontier AI training largest model workloads | Entry professional AI CAD visualization | |
| 云端价格 | |||
| 最便宜的按需 | — | $0.76/hr | |
| 最便宜的竞价 | — | — | |
| 供应商 | 1 | 1 | |
| 供应商价格（按需） | |||
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不适用 | $0.76/hr | |
NVIDIA B300
NVIDIA RTX 4000 Ada