AMD Instinct MI250X vs AMD Instinct MI250 Full Specs

Summary

14,080 Shaders 1.7GHz	13,312 Shaders 1.7GHz
128GB HBM2e3.28TB/s	128GB HBM2e3.28TB/s
Peak·FP32·FP16 47.87 TFLOPS	Peak·FP32·FP16 45.26 TFLOPS
Form Factor OAM Module	Form Factor OAM Module
TDP 560W	TDP 500W

Highlights

Peak OPS

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

Instinct MI250X383 TOPSINT4 Tensor

x1.06

Instinct MI250362.1 TOPSINT4 Tensor

x1

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Theoretical Performance

Clock Speed1700MHz UC·Base·Boost·OC	Clock Speed1700MHz UC·Base·Boost·OC
Peak OPS 383 TOPSINT4 Tensor	Peak OPS 362.1 TOPSINT4 Tensor
Tensor FP16-16 383 TFLOPS Tensor FP16-32 383 TFLOPS	Tensor FP16-16 362.1 TFLOPS Tensor FP16-32 362.1 TFLOPS
Tensor BF16 383 TFLOPS	Tensor BF16 362.1 TFLOPS
FP32 47.87 TFLOPS Tensor FP32 95.74 TFLOPS	FP32 45.26 TFLOPS Tensor FP32 90.52 TFLOPS
FP64 47.87 TFLOPS Tensor FP64 95.74 TFLOPS	FP64 45.26 TFLOPS Tensor FP64 90.52 TFLOPS
Tensor INT4 383 TOPS	Tensor INT4 362.1 TOPS
Tensor INT8 383 TOPS	Tensor INT8 362.1 TOPS
Texture Rate 1.5 TTexel/s	Texture Rate 1.41 TTexel/s

Core Config

Shaders 14,080 Shaders	Shaders 13,312 Shaders
TMUs 880 TMUs	TMUs 832 TMUs
Tensor Cores 880 T-Cores	Tensor Cores 832 T-Cores
CUs 220 CUs	CUs 208 CUs

Clocks

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

Cache

L2 Cache 16.4MB shared

L2 Cache 16.4MB shared

Memory

128GB HBM2e	128GB HBM2e
Memory Bus 8192-bit	Memory Bus 8192-bit
Memory Speed 3.2GT/s	Memory Speed 3.2GT/s
Memory Bandwidth 3.28TB/s	Memory Bandwidth 3.28TB/s
ECC Yes	ECC Yes

Power & Thermals

TDP 560W

TDP 500W

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 OAM Module
Cooling Passive	Cooling Passive

Chip

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

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node N6
Die Size 1448mm²	Die Size 1448mm²
Transistor Count 56 Billion	Transistor Count 56 Billion
Transistor Density 38.67 MTr/mm²	Transistor Density 38.67 MTr/mm²

Images

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Competitors

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