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Radeon Instinct MI250X

General
ManufacturerAMD
SeriesRadeon Instinct(MIx)
GPU NameAldebaran
ArchitectureCDNA 2.0
GenerationRadeon Instinct(MIx)
Release DateNov 2021
Bus InterfacePCIe 4.0 x16
Process & Die
FoundryTSMC
Process Size6 nm
Transistors58,200 M
Transistor Density80,400 K/mm²
Die Size724 mm²
Clock Speeds
Base Clock1,000 MHz
Boost Clock1,700 MHz
Memory
VRAM128 GB
Memory TypeHBM2e
Memory Clock1,600 MHz
Memory Bus8192-bit
Bandwidth3,280 GB/s
Processing Units
Shading Units14,080
TMUs880
ROPs0
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache16 MB
Power & Thermals
TDP500 W
Suggested PSU900 W
Power Connectors2x 8-pin
Dimensions
Board Length267 mm
Board Width111 mm
Outputs
API Support
OpenCL3.0
Theoretical Performance
Pixel Rate0 GP/s
Texture Rate1,496 GT/s
FP16 (Half)383,000 GFLOPS
FP32 (Single)47,870 GFLOPS
FP64 (Double)47,870 GFLOPS
External
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