B300 vs MI355X

Detailed comparison of specifications, performance, and pricing between B300 and AMD Instinct MI355X

Comparing:
VS VS
🏆
Overall Winner
B300
Wins 3 of 7 categories
Performance Leader
B300
- TFLOPS (+0%)

Difference Analysis

Metric
B300
Difference
MI355X
Tensor TFLOPS
-
=
-
VRAM
288GB
=
288GB
Memory Bandwidth
-
=
8.0 TB/s
Hardware Price
-
=
$$25k
Cloud Price/hr
$7.39
=
-

Full Specifications

Specification B300 MI355X H200
Brand NVIDIA AMD NVIDIA
Series - Data Center Data Center
Architecture - CDNA4 Hopper
VRAM 288GB 288GB 141GB
VRAM Type - HBM3e HBM3e
Memory Bandwidth - 8.0 TB/s 4.8 TB/s
FP16 TFLOPS - - 134.0
Tensor TFLOPS - - 2.0k
TDP - 500W 700W
Form Factor - OAM SXM
Hardware Price - $$25k $$38k
Cloud Price (min) $7.39/hr - $2.30/hr

Which Should You Choose?

🧠

For AI Training

Large model training needs maximum VRAM and memory bandwidth.

Recommended: B300
288GB VRAM · -

For AI Inference

Inference prioritizes throughput and cost efficiency.

Recommended: B300
Best performance per dollar

B300 vs MI355X FAQ

It depends on your use case. The B300 offers 0% better performance (- vs - TFLOPS). For raw performance, choose B300. For value, consider your budget and workload requirements.

The B300 has more VRAM with 288GB compared to 288GB (0% more). More VRAM is crucial for training large models and running inference on bigger batch sizes.

For AI training, the B300 is generally better due to its larger VRAM (288GB). Large language models and deep learning workloads benefit significantly from more memory. However, if your models fit in 288GB, the cheaper option may be more cost-effective.

Price comparison requires both GPUs to have available pricing data. Check individual GPU pages for current market prices.

Upgrading to B300 would give you 0% more performance and 0% more VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.

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