Intel Core 2 Duo E4400 vs Intel Celeron 2.40

Comparative analysis of Intel Core 2 Duo E4400 and Intel Celeron 2.40 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 Celeron 2.40

Differences

Reasons to consider the Intel Core 2 Duo E4400

CPU is newer: launch date 4 year(s) 4 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
16x 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 540
3.3x better performance in PassMark - CPU mark: 710 vs 217

Specifications (specs)
Launch date	July 2007 vs March 2003
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 128 KB
Benchmarks
PassMark - Single thread mark	781 vs 540
PassMark - CPU mark	710 vs 217

Reasons to consider the Intel Celeron 2.40

Around 20% higher clock speed: 2.4 GHz vs 2 GHz
Around 8% lower typical power consumption: 59.8 Watt vs 65 Watt

Maximum frequency	2.4 GHz vs 2 GHz
Thermal Design Power (TDP)	59.8 Watt vs 65 Watt

Compare benchmarks

CPU 1: Intel Core 2 Duo E4400
CPU 2: Intel Celeron 2.40

PassMark - Single thread mark

CPU 1

CPU 2

781

540

PassMark - CPU mark

CPU 1

CPU 2

710

217

Name	Intel Core 2 Duo E4400	Intel Celeron 2.40
PassMark - Single thread mark	781	540
PassMark - CPU mark	710	217
Geekbench 4 - Single Core	255
Geekbench 4 - Multi-Core	440

Compare specifications (specs)

	Intel Core 2 Duo E4400	Intel Celeron 2.40
Essentials
Architecture codename	Conroe	Northwood
Launch date	July 2007	March 2003
Place in performance rating	2938	2942
Price now	$49.99
Processor Number	E4400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Celeron® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	6.81
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.00 GHz	2.40 GHz
Bus Speed	800 MHz FSB	400 MHz FSB
Die size	111 mm2	131 mm2
L1 cache	64 KB	8 KB
L2 cache	2048 KB	128 KB
Manufacturing process technology	65 nm	130 nm
Maximum core temperature	L2=61.4°C, M0=73.3°C	71°C
Maximum frequency	2 GHz	2.4 GHz
Number of cores	2	1
Transistor count	167 million	55 million
VID voltage range	0.8500V-1.5V	1.315V-1.525V
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	59.8 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
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)