AMD Instinct MI300A vs AMD Instinct MI250X Full Specs

Summary

14,592 Shaders 2.1GHz	14,080 Shaders 1.7GHz
128GB HBM35.33TB/s	128GB HBM2e3.28TB/s
Peak·FP32·FP16 122.6 TFLOPS	Peak·FP32·FP16 47.87 TFLOPS
Form Factor APU SH5 Socket	Form Factor OAM Module
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 MI300A3.92 POPSINT4 Tensor Sparse

x10.24

Instinct MI250X383 TOPSINT4 Tensor

x1

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Theoretical Performance

Clock Speed2100MHz UC·Base·Boost·OC	Clock Speed1700MHz UC·Base·Boost·OC
Peak OPS 3.92 POPSINT4 Tensor Sparse	Peak OPS 383 TOPSINT4 Tensor
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 FP16-16 980.6 TFLOPS FP16-16 Tensor Sparse 1.96 PFLOPS Tensor FP16-32 980.6 TFLOPS FP16-32 Tensor Sparse 1.96 PFLOPS	Tensor FP16-16 383 TFLOPS FP16-16 Tensor Sparse - Tensor FP16-32 383 TFLOPS FP16-32 Tensor Sparse -
Tensor BF16 980.6 TFLOPS BF16 Tensor Sparse 1.96 PFLOPS	Tensor BF16 383 TFLOPS BF16 Tensor Sparse -
Tensor TF32 490.3 TFLOPS	Tensor TF32 -
FP32 122.6 TFLOPS Tensor FP32 122.6 TFLOPS	FP32 47.87 TFLOPS Tensor FP32 95.74 TFLOPS
FP64 61.29 TFLOPS Tensor FP64 122.6 TFLOPS	FP64 47.87 TFLOPS Tensor FP64 95.74 TFLOPS
Tensor INT4 1.96 POPS	Tensor INT4 383 TOPS
Tensor INT8 1.96 POPS	Tensor INT8 383 TOPS
Texture Rate 1.92 TTexel/s	Texture Rate 1.5 TTexel/s

Core Config

Shaders 14,592 Shaders	Shaders 14,080 Shaders
TMUs 912 TMUs	TMUs 880 TMUs
Tensor Cores 912 T-Cores	Tensor Cores 880 T-Cores
CUs 228 CUs	CUs 220 CUs

Clocks

Base Clock 1GHz	Base Clock 1GHz
Boost Clock 2.1GHz	Boost Clock 1.7GHz

Cache

L2 Cache 16.4MB shared	L2 Cache 16.4MB shared
L3 Cache 192MB shared	L3 Cache -

Memory

128GB HBM3	128GB HBM2e
Memory Bus 8192-bit	Memory Bus 8192-bit
Memory Speed 5.2GT/s	Memory Speed 3.2GT/s
Memory Bandwidth 5.33TB/s	Memory Bandwidth 3.28TB/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 APU SH5 Socket	Form Factor OAM Module
Cooling Passive	Cooling Passive

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture CDNA 3	Architecture CDNA 2
Family Instinct	Family Instinct
Branding	Branding
Codename Aqua Vanjaram	Codename Aldebaran
Chip Variant Aqua Vanjaram XT	Chip Variant Aldebaran XTX
Market Segment Server	Market Segment Server
Release Date Dec 6, 2023	Release Date Nov 8, 2021

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries TSMCActive Interposer	Other Foundries -
Fabrication Node N5 N6Active Interposer	Fabrication Node N6 -
Die Size 1110mm²	Die Size 1448mm²
Transistor Count 109.5 Billion	Transistor Count 56 Billion
Transistor Density 98.65 MTr/mm²	Transistor Density 38.67 MTr/mm²

Images

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