NVIDIA B300 vs NVIDIA GeForce RTX 3080 — GPU Comparison (Jul 2026)
NVIDIA B300 (288GB HBM3e, 2,250 TFLOPS FP16, Blackwell Ultra) vs NVIDIA GeForce RTX 3080 (10GB GDDR6X, 29.8 TFLOPS FP16, Ampere)
Bottom Line: NVIDIA B300 vs NVIDIA GeForce RTX 3080
NVIDIA B300 comes out ahead overall, leading in 5 of 6 compared categories.
Where NVIDIA B300 leads
- FP16 (2,250 TFLOPS vs 29.8 TFLOPS)
- VRAM (288 GB vs 10 GB)
- Memory Bandwidth (8,000 GB/s vs 760 GB/s)
- FP32 (75 TFLOPS vs 14.9 TFLOPS)
- Release Year (2025 vs 2020)
Where NVIDIA GeForce RTX 3080 leads
- TDP (320W vs 1400W)
Choose NVIDIA B300 for Frontier AI training, largest model workloads. Choose NVIDIA GeForce RTX 3080 for Gaming, inference.
Frequently Asked Questions
Is NVIDIA B300 or NVIDIA GeForce RTX 3080 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 3080?
NVIDIA B300 (2,250 TFLOPS vs 29.8 TFLOPS).
Which has a better VRAM, NVIDIA B300 or NVIDIA GeForce RTX 3080?
NVIDIA B300 (288 GB vs 10 GB).
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NVIDIA B300
288GB HBM3e · Blackwell Ultra
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NVIDIA GeForce RTX 3080
10GB GDDR6X · Ampere
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|---|---|---|---|
| Specifications | |||
| Manufacturer | NVIDIA | NVIDIA | |
| Architecture | Blackwell Ultra | Ampere | |
| VRAM | 288 GB HBM3e | 10 GB GDDR6X | |
| Memory Bandwidth | 8,000 GB/s | 760 GB/s | |
| FP16 (Tensor) | 2250.0 TFLOPS | 29.8 TFLOPS | |
| FP32 | 75.0 TFLOPS | 14.9 TFLOPS | |
| TDP | 1400W | 320W | |
| Release Year | 2025 | 2020 | |
| Segment | Data center | Consumer | |
| Best For | Frontier AI training largest model workloads | Gaming inference | |
| Cloud Pricing | |||
| Cheapest On-Demand | — | — | |
| Cheapest Spot | — | — | |
| Providers | 1 | 0 | |
NVIDIA B300
NVIDIA GeForce RTX 3080