Intel Pentium D 820 Processor

Last updated: 28 December 2021

Pentium D 820 is a desktop processor from Intel released on 26 May 2005, and it is in end-of-life production status now. It belongs to Pentium D family and has a Smithfield architecture. This processor is built on Intel Socket 775, and uses Gen 2 PCI express connection. 90 nm process is used in production.

Processor has 2 cores and 2 threads, with the base frequency of 2.8 GHz. It has DDR1, DDR2, DDR3 Dual-channel memory support. As for the cache, it supports L1 28K and L2 2MB.

Specifications

Vertical Segment: Desktop
Release date: 26 May 2005
Production status: End-of-life
Generation: Pentium D
Codename: Smithfield
Socket: Intel Socket 775
Total Cores: 2

Total Threads: 2
Frequency: 2.8 GHz
Turbo clock: N/A
Cache L1: 28K
Cache L2: 2MB
TDP: 130 W

Physical Specifications

Socket: Intel Socket 775
Foundry: Intel
Process size: 90 nm

Transistors: 169 million
Die size: 206 mm²
Package: FC-LGA4

Performance

Frequency: 2.8 GHz
Turbo clock: N/A
Base clock: 200 MHz
Multiplier: 14.0x

Multiplier unlocked: No
Voltage: 1.4 V
TDP: 130 W

Architecture Details

Vertical Segment: Desktop
Production status: End-of-life
Release date: 26 May 2005
Codename: Smithfield
Generation: Pentium D

Part: SL8CP
Memory support: DDR1, DDR2, DDR3 Dual-channel
ECC memory: No
PCI Express: Gen 2

Cores

Total Cores: 2
Total Threads: 2

SMP # CPUs: 2
Integrated graphics: N/A

Cache

Cache L1: 28K

Cache L2: 2MB

Features & Technologies

MMX
SSE
SSE2

SSE3
EIST
Intel 64

Drivers

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