AMD MI355X

Data center GPU · CDNA4

Summary

The AMD MI355X is a powerful GPU. With similar VRAM and memory bandwidth to NVIDIA's flagship B300 GPU at lower cost, this GPU can be a capable alternative to NVIDIA options – though beware that software support is less mature in some cases than for NVIDIA's GPUs.

Launched
Q3 2025
VRAM
288 GB
Mem. bandwidth
8,000 GB/s
On-demand from
Compare prices from 2 providers →

Tech specs

VRAM 288 GB HBM3e
Memory bandwidth 8,000 GB/s
Interface PCIe
TDP 1400 W
Supported data types
MXFP4MXFP6MXFP8FP64FP32TF32FP16BF16FP8INT8

Cloud rental prices

2 providers · lowest price per GPU, per hour

Prices updated

On-demand
$2.59 – $8.60 /GPU/h
Provider On-demand Reserved Spot
Oracle $8.60
Vultr $2.59
Compare all AMD MI355X cloud providers & configurations →

Additional providers who may offer AMD MI355X without public pricing: TensorWave, Crusoe, Hot Aisle

Models that fit in VRAM

Open-weights models that fit in VRAM. Estimated using 🤗 accelerate, plus approximation for up to 8K context.

Media

Peak theoretical performance

FP4 Matrix 10,066.3 TFLOPS
FP6 Matrix 10,066.3 TFLOPS
FP8 Matrix 5,033.2 TFLOPS
INT8 Matrix 5,033.2 TOPS
BF16 Matrix 2,516.6 TFLOPS
FP16 Matrix 2,516.6 TFLOPS
FP32 Vector 157.3 TFLOPS
FP32 Matrix 157.3 TFLOPS
FP64 Vector 78.6 TFLOPS
FP64 Matrix 78.6 TFLOPS

Performance figures assume no sparsity; in cases where only sparse performance figures are published by the manufacturer, these are halved to give approximate dense performance.

Resources

Detailed documentation from the manufacturer.

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