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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

0 of 27 fields comparable

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SpecAMD Instinct MI300XAlibaba Qwen3-72B-Instruct (Q4 quant)
Bf16 Matrix Tflops Dense1,307.4
Compute Units304
Context Window Tokens K128
Dual Card Count2
Dual Card Vram GB24
Form factorOAM
Fp16 Matrix Tflops Dense1,307.4
Fp32 Vector Tflops163.4
Fp64 Matrix Tflops163.4
Fp64 Vector Tflops81.7
FP8 Matrix Tflops Dense2,614.9
FP8 Matrix Tflops Sparse5,229.8
GPT Version5
HBM (GB)192
HBM TypeHBM3
INT8 TOPS (dense)2,614.9
Matrix Cores1,216
Memory bandwidth (TB/s)5.3
Parameter Count B72
Pcie GEN5
Process Node NM5
Qwen Version3
RTX 5090 Pairing Vram GB32
TBP Watts750
Tf32 Matrix Tflops Dense653.7
Tf32 Matrix Tflops Sparse1,307.4
Vram Required GB44
Compare · AMD Instinct MI300X vs Alibaba Qwen3-72B-Instruct (Q4 quant) · MadCoolStuff