Pentium 4 2.66
CPU·Budget

Pentium 4 2.66

Intel

PassMark

378

MSRP

$300

AVG Price

$300

2007-01-01
110 Watt
NetBurst (2000−2006)

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Pentium 4 2.66 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.66 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 378 points. Launch price was $69.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Pentium 4 2.66

#981
Phenom X3 8450
MSRP: $145|Avg: $147
660%
#982
Athlon II X4 638
MSRP: $300|Avg: $280
640%
#983
Ryzen Embedded R2314
MSRP: $300|Avg: $762
610%
#984
Core 2 Duo E7200
MSRP: $133|Avg: $133
598%
#985
Athlon XP 1800+
MSRP: $252|Avg: $30
595%
#986
Celeron E1200
MSRP: $53|Avg: $98
539%
#987
Athlon XP 2000+
MSRP: $339|Avg: $40
500%
#988
Pentium III 1133
MSRP: $990|Avg: $30
476%
#989
Celeron 2.10
MSRP: $49|Avg: $49
462%
#990
Pentium 4 1.80
MSRP: $562|Avg: $40
447%
#991
Athlon 64 FX-57
MSRP: $1031|Avg: $200
286%
#992
Phenom X4 9450e
MSRP: $450|Avg: $430
268%
#993
Core 2 Extreme QX9770
MSRP: $1399|Avg: $1399
262%
#994
Athlon 64 3300+
MSRP: $200|Avg: $200
207%
#995
Pentium 4 2.40
MSRP: $193|Avg: $193
133%
#996
Pentium 4 2.66
MSRP: $300|Avg: $300
100%
#997
Athlon 64 FX-60
MSRP: $1031|Avg: $1000
96%
#998
Pentium III 1400S
MSRP: $250|Avg: $250
72%
#999
Athlon 64 FX-51
MSRP: $733|Avg: $733
67%
Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Pentium 4 2.66 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Pentium 4 2.66 specifications and capabilities.

Processing Power

The Pentium 4 2.66 is a 1-core / 1-thread processor based on the NetBurst (2000−2006) architecture, manufactured on a 130 nm process node. It reaches a maximum boost clock of 2.66 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 512 kB of L2 cache and 8 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 378, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationPentium 4 2.66
Cores / ThreadsPhysical/logical processing units1C / 1T
Max Boost ClockPeak single-core speed under boost2.66 GHz
ArchitectureCPU microarchitecture designNetBurst (2000−2006)
Process NodeFabrication technology — smaller = more efficient130 nm
L3 CacheShared cache — reduces memory latency for all cores0 kB
L2 CachePer-core fast cache for frequently accessed data512 kB
L1 CacheUltra-fast per-core cache8 kB
Die SizePhysical silicon area of the processor146 mm2
Transistor CountMore transistors = more capabilities55 million
64-bit SupportNo
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score378
🧠

Memory & Platform

The Pentium 4 2.66 fits into the PGA478 socket and supports PCIe 1.1. It supports DDR1, DDR2 memory.

SpecificationPentium 4 2.66
TypeDesktop or Laptop processordesktop
SocketMotherboard socket requiredPGA478
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 1.1
RAM TypeSupported memory standardDDR1, DDR2
Max CPUs in ConfigMulti-socket support for servers1
🌡️

Power & Cooling

The Pentium 4 2.66 has a rated TDP (Thermal Design Power) of 110 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationPentium 4 2.66
TDPThermal Design Power — heat output under sustained workload110 Watt
💰

Value Analysis

At an average price of $300, the Pentium 4 2.66 delivers 1 PassMark points per dollar. Performance ranking position: #3667 out of all indexed processors.

SpecificationPentium 4 2.66
MSRPManufacturer's Suggested Retail Price$300
Avg Price (30d)Average market price over the last 30 days$300
Launch PriceOriginal retail price at launch$69
Performance RankPosition in overall performance ranking#3667
Release DateLaunch date2007-01-01
Release Year2002
DesignerArchitecture designer (e.g. Intel, AMD)Intel

Specifications Reference

Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.

4 categories

General Information

6 specs

Typedesktop
DesignerIntel
Launch Price$69
Release Date2007-01-01
Architecture CodenameNetBurst (2000−2006)
Performance Ranking Position3667

Technical Specifications

11 specs

Cores1
Threads1
Die Size146 mm2
L1 Cache8 kB
L2 Cache512 kB
L3 Cache0 kB
Max Frequency2.66 GHz
64-Bit Support-
Transistor Count55 million
Process Technology130 nm
Windows 11 Compatible-

Compatibility

4 specs

SocketPGA478
PCIe GenerationPCIe 1.1
Power Consumption (TDP)110 Watt
Max Processors In Config1

Memory

1 spec

RAM TypesDDR1, DDR2

Our Recommendation for Pentium 4 2.66

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