NVIDIA B300 vs NVIDIA RTX 4500 Ada — GPU Comparison (Apr 2026)
NVIDIA B300 (288GB HBM3e, 2,250 TFLOPS FP16, Blackwell Ultra) vs NVIDIA RTX 4500 Ada (24GB GDDR6, 31.7 TFLOPS FP16, Ada Lovelace)
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NVIDIA B300
288GB HBM3e · Blackwell Ultra
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NVIDIA RTX 4500 Ada
24GB GDDR6 · Ada Lovelace
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| Specifications | |||
| Manufacturer | NVIDIA | NVIDIA | |
| Architecture | Blackwell Ultra | Ada Lovelace | |
| VRAM | 288 GB HBM3e | 24 GB GDDR6 | |
| Memory Bandwidth | 8,000 GB/s | 432 GB/s | |
| FP16 (Tensor) | 2250.0 TFLOPS | 31.7 TFLOPS | |
| FP32 | 75.0 TFLOPS | 23.8 TFLOPS | |
| TDP | 1400W | 210W | |
| Release Year | 2025 | 2024 | |
| Segment | Data center | Professional | |
| Best For | Frontier AI training largest model workloads | CAD visualization light AI | |
| Cloud Pricing | |||
| Cheapest On-Demand | — | — | |
| Cheapest Spot | — | — | |
| Providers | 1 | 0 | |
NVIDIA B300
NVIDIA RTX 4500 Ada