AMD Instinct MI350X vs AMD Instinct MI300X
Side-by-side comparison of specifications, performance, and efficiency.
AMD Instinct MI350X
Architecture
CDNA 4
Year
2025
VRAM
288 GB
TDP
1.0 kW
AMD Instinct MI300X
Architecture
CDNA 3
Year
2023
VRAM
192 GB
TDP
750 W
Specifications
AMD Instinct MI350X AMD Instinct MI300X
Architecture
CDNA 4 CDNA 3
Launch Year
2025 2023
Form Factor
OAM OAM
VRAM
288 GB192 GB
Memory Bandwidth
8.0 TB/s5.3 TB/s
TDP
1.0 kW750 W
Process Node
3nm/6nm 5nm FinFET
| Spec | AMD Instinct MI350X | AMD Instinct MI300X |
|---|---|---|
| Architecture | CDNA 4 | CDNA 3 |
| Launch Year | 2025 | 2023 |
| Form Factor | OAM | OAM |
| VRAM | 288 GB | 192 GB |
| Memory Bandwidth | 8.0 TB/s | 5.3 TB/s |
| TDP | 1.0 kW | 750 W |
| Process Node | 3nm/6nm | 5nm FinFET |
Performance (TFLOPS)
AMD Instinct MI350X AMD Instinct MI300X
FP64
72.1 TFlops81.7 TFlops
FP32
144.2 TFlops163.4 TFlops
FP16
2306.9 TFlops1307.4 TFlops
BF16
2309.6 TFlops1307.4 TFlops
FP8
4614.0 TFlops2614.9 TFlops
INT8
4613.7 TFlops2614.9 TFlops
| Precision | AMD Instinct MI350X | AMD Instinct MI300X |
|---|---|---|
| FP64 | 72.1 TFlops | 81.7 TFlops |
| FP32 | 144.2 TFlops | 163.4 TFlops |
| FP16 | 2306.9 TFlops | 1307.4 TFlops |
| BF16 | 2309.6 TFlops | 1307.4 TFlops |
| FP8 | 4614.0 TFlops | 2614.9 TFlops |
| INT8 | 4613.7 TFlops | 2614.9 TFlops |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
AMD
Instinct MI300X
0.22 TFLOPS/W
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