NVIDIA B300 vs NVIDIA GeForce RTX 3090 Ti — GPU Comparison (Jul 2026)
NVIDIA B300 (288GB HBM3e, 2,250 TFLOPS FP16, Blackwell Ultra) vs NVIDIA GeForce RTX 3090 Ti (24GB GDDR6X, 40 TFLOPS FP16, Ampere)
Bottom Line: NVIDIA B300 vs NVIDIA GeForce RTX 3090 Ti
NVIDIA B300 comes out ahead overall, leading in 5 of 6 compared categories.
Where NVIDIA B300 leads
- FP16 (2,250 TFLOPS vs 40 TFLOPS)
- VRAM (288 GB vs 24 GB)
- Memory Bandwidth (8,000 GB/s vs 1,008 GB/s)
- FP32 (75 TFLOPS vs 20 TFLOPS)
- Release Year (2025 vs 2022)
Where NVIDIA GeForce RTX 3090 Ti leads
- TDP (450W vs 1400W)
Choose NVIDIA B300 for Frontier AI training, largest model workloads. Choose NVIDIA GeForce RTX 3090 Ti for Training, fine-tuning, rendering.
Frequently Asked Questions
Is NVIDIA B300 or NVIDIA GeForce RTX 3090 Ti 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 GeForce RTX 3090 Ti?
NVIDIA B300 (2,250 TFLOPS vs 40 TFLOPS).
Which has a better VRAM, NVIDIA B300 or NVIDIA GeForce RTX 3090 Ti?
NVIDIA B300 (288 GB vs 24 GB).
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NVIDIA B300
288GB HBM3e · Blackwell Ultra
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NVIDIA GeForce RTX 3090 Ti
24GB GDDR6X · Ampere
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|---|---|---|---|
| Specifications | |||
| Manufacturer | NVIDIA | NVIDIA | |
| Architecture | Blackwell Ultra | Ampere | |
| VRAM | 288 GB HBM3e | 24 GB GDDR6X | |
| Memory Bandwidth | 8,000 GB/s | 1,008 GB/s | |
| FP16 (Tensor) | 2250.0 TFLOPS | 40.0 TFLOPS | |
| FP32 | 75.0 TFLOPS | 20.0 TFLOPS | |
| TDP | 1400W | 450W | |
| Release Year | 2025 | 2022 | |
| Segment | Data center | Consumer | |
| Best For | Frontier AI training largest model workloads | Training fine-tuning rendering | |
| Cloud Pricing | |||
| Cheapest On-Demand | — | — | |
| Cheapest Spot | — | — | |
| Providers | 1 | 0 | |
NVIDIA B300
NVIDIA GeForce RTX 3090 Ti