Blackwell
NVIDIA B300 192GB
wins
4
The NVIDIA B300 is the next step in the Blackwell lineup.
Volta
NVIDIA V100 32GB
wins
1
The V100 was NVIDIA's flagship AI GPU before the A100.
Performance comparison
Visual bars — winner highlighted
NVIDIA B300 192GB
Metric
NVIDIA V100 32GB
FP16 TFLOPS
Bandwidth
VRAM
TDP (lower=better)
TFLOPS/watt
GB/s per watt
Full specification table
| Spec | NVIDIA B300 192GB | NVIDIA V100 32GB |
|---|---|---|
| Architecture | Blackwell | Volta |
| VRAM | 192 GB HBM3e | 32 GB HBM2 |
| VRAM type | HBM3e | HBM2 |
| Memory bandwidth | 8,000 GB/s | 900 GB/s |
| FP16 TFLOPS | 5,000 TFLOPS | 125 TFLOPS |
| TDP | 1,000 W | 300 W |
| TFLOPS/watt | 5.00 T/W | 0.42 T/W |
| GB/s per watt | 8.00 GB/s/W | 3.00 GB/s/W |
| NVLink | Yes | Yes |
| Release year | 2025 | 2018 |
Live cloud pricing
On-demand pricing across providers — updated in real time
Power efficiency analysis
TFLOPS/watt and GB/s/watt — critical for data center TCO
NVIDIA B300 192GB
NVIDIA V100 32GB
TFLOPS/watt measures compute efficiency — how much AI throughput you get per watt of power consumed. For data centers with PUE of 1.2–1.5, a 10% improvement in TFLOPS/watt translates directly to lower electricity costs and cooling requirements. GB/s/watt measures memory bandwidth efficiency, which is the binding constraint for memory-bound LLM inference workloads.
When to choose each GPU
Choose NVIDIA B300 192GB for:
- Next-gen LLM training
- Agent inference at scale
- Memory-intensive AI
Weaknesses / Limitations
- Very limited availability — not yet widely deployed on cloud platforms
- 1,000W TDP requires specialized power and cooling
- Premium pricing over B200 with incremental gains
Choose NVIDIA V100 32GB for:
- Legacy ML training
- Budget HPC
- Mature framework support
Weaknesses / Limitations
- Volta architecture — significantly lower TFLOPS than A100 or H100
- 32 GB VRAM ceiling limits modern LLM workloads
- No BF16 support — less efficient for modern transformer training
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