NVIDIA B300 vs NVIDIA RTX 4500 Ada — GPU Comparison (Jul 2026)
NVIDIA B300 (288GB HBM3e, 2,250 TFLOPS FP16, Blackwell Ultra) vs NVIDIA RTX 4500 Ada (24GB GDDR6, 31.7 TFLOPS FP16, Ada Lovelace)
Bottom Line: NVIDIA B300 vs NVIDIA RTX 4500 Ada
NVIDIA B300 comes out ahead overall, leading in 5 of 6 compared categories.
Where NVIDIA B300 leads
- FP16 (2,250 TFLOPS vs 31.7 TFLOPS)
- VRAM (288 GB vs 24 GB)
- Memory Bandwidth (8,000 GB/s vs 432 GB/s)
- FP32 (75 TFLOPS vs 23.8 TFLOPS)
- Release Year (2025 vs 2024)
Where NVIDIA RTX 4500 Ada leads
- TDP (210W vs 1400W)
Choose NVIDIA B300 for Frontier AI training, largest model workloads. Choose NVIDIA RTX 4500 Ada for CAD, visualization, light AI.
Frequently Asked Questions
Is NVIDIA B300 or NVIDIA RTX 4500 Ada better?
NVIDIA B300 leads in 5 of 6 compared categories. The right choice still depends on the factors that matter most to you.
Which has a better FP16, NVIDIA B300 or NVIDIA RTX 4500 Ada?
NVIDIA B300 (2,250 TFLOPS vs 31.7 TFLOPS).
Which has a better VRAM, NVIDIA B300 or NVIDIA RTX 4500 Ada?
NVIDIA B300 (288 GB vs 24 GB).
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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