AMD Instinct MI300X vs NVIDIA B200
Side-by-side comparison of specifications, performance, and efficiency.
AMD Instinct MI300X
Architecture
CDNA 3
Year
2023
VRAM
192 GB
TDP
750 W
NVIDIA B200
Architecture
Blackwell
Year
2025
VRAM
180 GB
TDP
1.0 kW
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
| Spec | AMD Instinct MI300X | NVIDIA B200 |
|---|---|---|
| Architecture | CDNA 3 | Blackwell |
| Launch Year | 2023 | 2025 |
| Form Factor | OAM | SXM |
| VRAM | 192 GB | 180 GB |
| Memory Bandwidth | 5.3 TB/s | 7.7 TB/s |
| TDP | 750 W | 1.0 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
| Precision | AMD Instinct MI300X | NVIDIA B200 |
|---|---|---|
| FP64 | 81.7 TFlops | 37.0 TFlops |
| FP32 | 163.4 TFlops | 75.0 TFlops |
| FP16 | 1307.4 TFlops | 2250.0 TFlops |
| BF16 | 1307.4 TFlops | 2250.0 TFlops |
| FP8 | 2614.9 TFlops | 4500.0 TFlops |
| INT8 | 2614.9 TFlops | 4500.0 TFlops |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
AMD
Instinct MI300X
0.22 TFLOPS/W
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