Intel Core 2 Duo E4400 vs Intel Pentium 4 2.26

Comparative analysis of Intel Core 2 Duo E4400 and Intel Pentium 4 2.26 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core 2 Duo E4400

Intel Pentium 4 2.26

Differences

Reasons to consider the Intel Core 2 Duo E4400

CPU is newer: launch date 5 year(s) 5 month(s) later
1 more cores, run more applications at once: 2 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 130 nm
8x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 45% better performance in PassMark - Single thread mark: 781 vs 537
3.2x better performance in PassMark - CPU mark: 710 vs 221

Specifications (specs)
Launch date	July 2007 vs January 2002
Number of cores	2 vs 1
Manufacturing process technology	65 nm vs 130 nm
L1 cache	64 KB vs 8 KB
L2 cache	2048 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	781 vs 537
PassMark - CPU mark	710 vs 221

Reasons to consider the Intel Pentium 4 2.26

Around 13% higher clock speed: 2.26 GHz vs 2 GHz
Around 12% lower typical power consumption: 58 Watt vs 65 Watt

Maximum frequency	2.26 GHz vs 2 GHz
Thermal Design Power (TDP)	58 Watt vs 65 Watt

Compare benchmarks

CPU 1: Intel Core 2 Duo E4400
CPU 2: Intel Pentium 4 2.26

PassMark - Single thread mark

CPU 1

CPU 2

781

537

PassMark - CPU mark

CPU 1

CPU 2

710

221

Name	Intel Core 2 Duo E4400	Intel Pentium 4 2.26
PassMark - Single thread mark	781	537
PassMark - CPU mark	710	221
Geekbench 4 - Single Core	255
Geekbench 4 - Multi-Core	440

Compare specifications (specs)

	Intel Core 2 Duo E4400	Intel Pentium 4 2.26
Essentials
Architecture codename	Conroe	Northwood
Launch date	July 2007	January 2002
Place in performance rating	2938	2944
Price now	$49.99
Processor Number	E4400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	6.81
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.00 GHz	2.26 GHz
Bus Speed	800 MHz FSB	533 MHz FSB
Die size	111 mm2	131 mm2
L1 cache	64 KB	8 KB
L2 cache	2048 KB	512 KB
Manufacturing process technology	65 nm	130 nm
Maximum core temperature	L2=61.4°C, M0=73.3°C	70°C
Maximum frequency	2 GHz	2.26 GHz
Number of cores	2	1
Transistor count	167 million	55 million
VID voltage range	0.8500V-1.5V	1.355V-1.435V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	35mm x 35mm
Sockets supported	LGA775	PPGA478
Thermal Design Power (TDP)	65 Watt	58 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)