MI355X vs A100 40GB

Detailed comparison of specifications, performance, and pricing between AMD Instinct MI355X and A100 40GB

🏆
Overall Winner
MI355X
Wins 3 of 7 categories
Performance Leader
MI355X
- TFLOPS (+0%)

Difference Analysis

Metric
MI355X
Difference
A100 40GB
Tensor TFLOPS
-
=
-
VRAM
288GB
-11%
320GB
Memory Bandwidth
8.0 TB/s
=
-
Hardware Price
$$25k
=
-
Cloud Price/hr
-
=
$3.40

Full Specifications

Specification MI355X A100 40GB
Brand AMD NVIDIA
Series Data Center -
Architecture CDNA4 -
VRAM 288GB 320GB
VRAM Type HBM3e -
Memory Bandwidth 8.0 TB/s -
FP16 TFLOPS - -
Tensor TFLOPS - -
TDP 500W -
Form Factor OAM -
Hardware Price $$25k -
Cloud Price (min) - $3.40/hr

Which Should You Choose?

🧠

For AI Training

Large model training needs maximum VRAM and memory bandwidth.

Recommended: A100 40GB
320GB VRAM · -

For AI Inference

Inference prioritizes throughput and cost efficiency.

Recommended: MI355X
Best performance per dollar

MI355X vs A100 40GB FAQ

It depends on your use case. The MI355X offers 0% better performance (- vs - TFLOPS). For raw performance, choose MI355X. For value, consider your budget and workload requirements.

The A100 40GB has more VRAM with 320GB compared to 288GB (11% more). More VRAM is crucial for training large models and running inference on bigger batch sizes.

For AI training, the A100 40GB is generally better due to its larger VRAM (320GB). 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 MI355X would give you 0% more performance and similar VRAM. Consider if your workloads are bottlenecked by current GPU capabilities.