AMD Instinct MI300X vs AMD Instinct MI300A Full Specs

Summary

19,456 Shaders 2.1GHz	14,592 Shaders 2.1GHz
192GB HBM35.33TB/s	128GB HBM35.33TB/s
Peak·FP32·FP16 163.4 TFLOPS	Peak·FP32·FP16 122.6 TFLOPS
Form Factor OAM Module	Form Factor APU SH5 Socket
TDP 560W	TDP 560W

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP8-16 FP8-16 Tensor Sparse Tensor FP8-32 FP8-32 Tensor Sparse Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse Tensor FP32 FP64 Tensor FP64 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Instinct MI300X5.23 POPSINT4 Tensor Sparse

x1.33

Instinct MI300A3.92 POPSINT4 Tensor Sparse

x1

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Theoretical Performance

Clock Speed2100MHz UC·Base·Boost·OC	Clock Speed2100MHz UC·Base·Boost·OC
Peak OPS 5.23 POPSINT4 Tensor Sparse	Peak OPS 3.92 POPSINT4 Tensor Sparse
Tensor FP8-16 2.62 PFLOPS FP8-16 Tensor Sparse 5.23 PFLOPS Tensor FP8-32 2.62 PFLOPS FP8-32 Tensor Sparse 5.23 PFLOPS	Tensor FP8-16 1.96 PFLOPS FP8-16 Tensor Sparse 3.92 PFLOPS Tensor FP8-32 1.96 PFLOPS FP8-32 Tensor Sparse 3.92 PFLOPS
Tensor FP16-16 1.31 PFLOPS FP16-16 Tensor Sparse 2.62 PFLOPS Tensor FP16-32 1.31 PFLOPS FP16-32 Tensor Sparse 2.62 PFLOPS	Tensor FP16-16 980.6 TFLOPS FP16-16 Tensor Sparse 1.96 PFLOPS Tensor FP16-32 980.6 TFLOPS FP16-32 Tensor Sparse 1.96 PFLOPS
Tensor BF16 1.31 PFLOPS BF16 Tensor Sparse 2.62 PFLOPS	Tensor BF16 980.6 TFLOPS BF16 Tensor Sparse 1.96 PFLOPS
Tensor TF32 653.7 TFLOPS	Tensor TF32 490.3 TFLOPS
FP32 163.4 TFLOPS Tensor FP32 163.4 TFLOPS	FP32 122.6 TFLOPS Tensor FP32 122.6 TFLOPS
FP64 81.72 TFLOPS Tensor FP64 163.4 TFLOPS	FP64 61.29 TFLOPS Tensor FP64 122.6 TFLOPS
Tensor INT4 2.62 POPS	Tensor INT4 1.96 POPS
Tensor INT8 2.62 POPS	Tensor INT8 1.96 POPS
Texture Rate 2.55 TTexel/s	Texture Rate 1.92 TTexel/s

Core Config

Shaders 19,456 Shaders	Shaders 14,592 Shaders
TMUs 1,216 TMUs	TMUs 912 TMUs
Tensor Cores 1,216 T-Cores	Tensor Cores 912 T-Cores
CUs 304 CUs	CUs 228 CUs

Clocks

Base Clock 1GHz	Base Clock 1GHz
Boost Clock 2.1GHz	Boost Clock 2.1GHz

Cache

L2 Cache 16.4MB shared	L2 Cache 16.4MB shared
L3 Cache 256MB shared	L3 Cache 192MB shared

Memory

192GB HBM3	128GB HBM3
Memory Bus 8192-bit	Memory Bus 8192-bit
Memory Speed 5.2GT/s	Memory Speed 5.2GT/s
Memory Bandwidth 5.33TB/s	Memory Bandwidth 5.33TB/s
ECC Yes	ECC Yes

Power & Thermals

TDP 560W

TDP 560W

Encoder

Encoder Model 2x VCN 2.6

Encoder Model 2x VCN 2.6

Decoder

Decoder Model 2x VCN 2.6

Decoder Model 2x VCN 2.6

Card

Form Factor OAM Module	Form Factor APU SH5 Socket
Cooling Passive	Cooling Passive

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture CDNA 3	Architecture CDNA 3
Family Instinct	Family Instinct
Branding	Branding
Codename Aqua Vanjaram	Codename Aqua Vanjaram
Chip Variant Aqua Vanjaram XTX	Chip Variant Aqua Vanjaram XT
Market Segment Server	Market Segment Server
Release Date Dec 6, 2023	Release Date Dec 6, 2023

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries TSMCActive Interposer	Other Foundries TSMCActive Interposer
Fabrication Node N5 N6Active Interposer	Fabrication Node N5 N6Active Interposer
Die Size 1480mm²	Die Size 1110mm²
Transistor Count 146 Billion	Transistor Count 109.5 Billion
Transistor Density 98.65 MTr/mm²	Transistor Density 98.65 MTr/mm²

Images

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Competitors

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