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GPU Comparison

AMD Instinct MI300X vs AMD Instinct MI325X

How the AMD Instinct MI300X and AMD Instinct MI325X compare across memory, compute, power and form factor, with the stronger figure highlighted on each row.

Specification CDNA 3 AMD Instinct MI300X NVIDIA alternative: NVIDIA H100 SXM → CDNA 3 AMD Instinct MI325X NVIDIA alternative: NVIDIA H200 SXM →
Pricing
Price Not sold by NVNexus Not sold by NVNexus
Overview
Architecture AMD CDNA 3 AMD CDNA 3
Memory
Memory 192 GB HBM3 256 GB HBM3E
Memory Bandwidth 5.3 TB/s 6 TB/s
Memory Interface 8192-bit 8192-bit
Compute
Stream Processors (AMD) 19,456 (304 CUs) 19,456 (304 CUs)
Matrix Cores / AI Accelerators (AMD) 1,216 1,216
FP32 163.4 TFLOPS (matrix) 163.4 TFLOPS (matrix)
FP64 Tensor 163.4 TFLOPS (matrix) 163.4 TFLOPS (matrix)
TF32 Tensor 653.7 TFLOPS / 1,307 (sparse) 653.7 TFLOPS / 1,307 (sparse)
FP16/BF16 Tensor 1,307 TFLOPS / 2,615 (sparse) 1,307 TFLOPS / 2,615 (sparse)
FP8 Tensor 2,615 TFLOPS / 5,230 (sparse) 2,615 TFLOPS / 5,230 (sparse)
INT8 Tensor 2,615 TOPS / 5,230 (sparse) 2,615 TOPS / 5,230 (sparse)
Platform
Interface PCIe Gen5 x16 PCIe Gen5 x16
NVLink / Infinity Fabric Infinity Fabric, 896 GB/s aggregate Infinity Fabric, 896 GB/s aggregate
TDP 750W 1000W
Form Factor OAM module (8-GPU platform) OAM module (8-GPU platform)
Cooling Passive (chassis airflow) Passive (chassis airflow)
Transistors 153 billion 153 billion
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