NVIDIA B300 vs NVIDIA RTX 4000 Ada — GPU Comparison (Jul 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.
Bottom Line: NVIDIA B300 vs NVIDIA RTX 4000 Ada
NVIDIA B300 comes out ahead overall, leading in 5 of 6 compared categories.
Where NVIDIA B300 leads
- FP16 (2,250 TFLOPS vs 107 TFLOPS)
- VRAM (288 GB vs 20 GB)
- Memory Bandwidth (8,000 GB/s vs 360 GB/s)
- FP32 (75 TFLOPS vs 26.7 TFLOPS)
- Release Year (2025 vs 2023)
Where NVIDIA RTX 4000 Ada leads
- TDP (130W vs 1400W)
Choose NVIDIA B300 for Frontier AI training, largest model workloads. Choose NVIDIA RTX 4000 Ada for Entry professional AI, CAD, visualization.
Frequently Asked Questions
Is NVIDIA B300 or NVIDIA RTX 4000 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 4000 Ada?
NVIDIA B300 (2,250 TFLOPS vs 107 TFLOPS).
Which has a better VRAM, NVIDIA B300 or NVIDIA RTX 4000 Ada?
NVIDIA B300 (288 GB vs 20 GB).
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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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|---|---|---|---|
| Specifications | |||
| Manufacturer | NVIDIA | NVIDIA | |
| Architecture | Blackwell Ultra | Ada Lovelace | |
| VRAM | 288 GB HBM3e | 20 GB GDDR6 | |
| Memory Bandwidth | 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 | |
| Release Year | 2025 | 2023 | |
| Segment | Data center | Professional | |
| Best For | Frontier AI training largest model workloads | Entry professional AI CAD visualization | |
| Cloud Pricing | |||
| Cheapest On-Demand | — | $0.76/hr | |
| Cheapest Spot | — | — | |
| Providers | 1 | 1 | |
| Provider Pricing (On-Demand) | |||
|
N/A | $0.76/hr | |
NVIDIA B300
NVIDIA RTX 4000 Ada