AMD Instinct MI300X vs NVIDIA B200

Side-by-side comparison of specifications, performance, and efficiency.

Specifications

AMD Instinct MI300X NVIDIA B200
Architecture
CDNA 3 Blackwell
Launch Year
2023 2025
Form Factor
OAM SXM
VRAM
192 GB180 GB
Memory Bandwidth
5.3 TB/s7.7 TB/s
TDP
750 W1.0 kW
Process Node
5nm FinFET 4nm

Performance (TFLOPS)

AMD Instinct MI300X NVIDIA B200
FP64
81.7 TFlops37.0 TFlops
FP32
163.4 TFlops75.0 TFlops
FP16
1307.4 TFlops2250.0 TFlops
BF16
1307.4 TFlops2250.0 TFlops
FP8
2614.9 TFlops4500.0 TFlops
INT8
2614.9 TFlops4500.0 TFlops

FLOPS by Precision

Efficiency — TDP vs FP32 Performance

Analysis

Most Efficient
AMD Instinct MI300X
0.22 TFLOPS/W

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