Intel Pentium 4 HT 661 Drivers & Specs 2025

Pentium 4 HT 661 is a desktop processor from Intel released on 5 January 2006, and it is in end-of-life production status now. It belongs to Pentium 4 HT family and has a Cedar Mill architecture. This processor is built on Intel Socket 775, and uses Gen 2 PCI express connection. 65 nm process is used in production.

Processor has 1 cores and 2 threads, with the base frequency of 3.6 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: 5 January 2006
Production status: End-of-life
Generation: Pentium 4 HT
Codename: Cedar Mill
Socket: Intel Socket 775
Total Cores: 1

Total Threads: 2
Frequency: 3.6 GHz
Turbo clock: N/A
Cache L1: 28K
Cache L2: 2MB
TDP: 86 W

Physical Specifications

Socket: Intel Socket 775
Foundry: Intel
Process size: 65 nm

Transistors: 188 million
Die size: 81 mm²
Package: FC-LGA4

Performance

Frequency: 3.6 GHz
Turbo clock: N/A
Base clock: 200 MHz
Multiplier: 18.0x

Multiplier unlocked: No
Voltage: 1.325 V
TDP: 86 W

Architecture Details

Vertical Segment: Desktop
Production status: End-of-life
Release date: 5 January 2006
Codename: Cedar Mill
Generation: Pentium 4 HT

Part: SL94V
Memory support: DDR1, DDR2, DDR3 Dual-channel
ECC memory: No
PCI Express: Gen 2

Cores

Total Cores: 1
Total Threads: 2

SMP # CPUs: 1
Integrated graphics: N/A

Cache

Cache L1: 28K

Cache L2: 2MB

Features & Technologies

MMX
SSE
SSE2

SSE3
Intel 64
HTT

Drivers

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Benchmark & Performance

PassMark

51 2482 185062

Performance Comparing to Similar Processors

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Gaming

To see if Intel Pentium 4 HT 661 is good for gaming, we checked what popular, new, and upcoming PC games will run on it:

Intel Pentium 4 HT 661 Processor