Intel Core 2 Duo E6400 vs AMD Athlon 64 4000+

Comparative analysis of Intel Core 2 Duo E6400 and AMD Athlon 64 4000+ 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 E6400

AMD Athlon 64 4000+

Differences

Reasons to consider the Intel Core 2 Duo E6400

CPU is newer: launch date 1 year(s) 9 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 90 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 37% lower typical power consumption: 65 Watt vs 89 Watt
Around 22% better performance in PassMark - Single thread mark: 825 vs 677
Around 28% better performance in PassMark - CPU mark: 780 vs 608

Specifications (specs)
Launch date	July 2006 vs October 2004
Number of cores	2 vs 1
Manufacturing process technology	65 nm vs 90 nm
L2 cache	2048 KB vs 1024 KB
Thermal Design Power (TDP)	65 Watt vs 89 Watt
Benchmarks
PassMark - Single thread mark	825 vs 677
PassMark - CPU mark	780 vs 608

Reasons to consider the AMD Athlon 64 4000+

Around 13% higher clock speed: 2.4 GHz vs 2.13 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later

Maximum frequency	2.4 GHz vs 2.13 GHz
L1 cache	128 KB vs 64 KB

Compare benchmarks

CPU 1: Intel Core 2 Duo E6400
CPU 2: AMD Athlon 64 4000+

PassMark - Single thread mark

CPU 1

CPU 2

825

677

PassMark - CPU mark

CPU 1

CPU 2

780

608

Name	Intel Core 2 Duo E6400	AMD Athlon 64 4000+
PassMark - Single thread mark	825	677
PassMark - CPU mark	780	608
Geekbench 4 - Single Core	244
Geekbench 4 - Multi-Core	413

Compare specifications (specs)

	Intel Core 2 Duo E6400	AMD Athlon 64 4000+
Essentials
Architecture codename	Conroe	San Diego
Launch date	July 2006	October 2004
Place in performance rating	2913	2745
Price now	$19.95	$11.99
Processor Number	E6400
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	19.03	14.88
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$160
Performance
64 bit support
Base frequency	2.13 GHz
Bus Speed	1066 MHz FSB
Die size	111 mm2	115 mm
L1 cache	64 KB	128 KB
L2 cache	2048 KB	1024 KB
Manufacturing process technology	65 nm	90 nm
Maximum core temperature	61.4°C
Maximum frequency	2.13 GHz	2.4 GHz
Number of cores	2	1
Transistor count	167 million	105 million
VID voltage range	0.8500V-1.5V
Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Scenario Design Power (SDP)	0 W
Sockets supported	PLGA775, LGA775	939
Thermal Design Power (TDP)	65 Watt	89 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)