Intel Core i7-860S vs Intel Core 2 Duo E6400

Comparative analysis of Intel Core i7-860S and Intel Core 2 Duo E6400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i7-860S

Intel Core 2 Duo E6400

Differences

Reasons to consider the Intel Core i7-860S

CPU is newer: launch date 3 year(s) 6 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 62% higher clock speed: 3.46 GHz vs 2.13 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
4x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 32% better performance in PassMark - Single thread mark: 1093 vs 825
2.9x better performance in PassMark - CPU mark: 2280 vs 780

Specifications (specs)
Launch date	January 2010 vs July 2006
Number of cores	4 vs 2
Maximum frequency	3.46 GHz vs 2.13 GHz
Manufacturing process technology	45 nm vs 65 nm
L1 cache	64 KB (per core) vs 64 KB
Benchmarks
PassMark - Single thread mark	1093 vs 825
PassMark - CPU mark	2280 vs 780

Reasons to consider the Intel Core 2 Duo E6400

2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 26% lower typical power consumption: 65 Watt vs 82 Watt

L2 cache	2048 KB vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 82 Watt

Compare benchmarks

CPU 1: Intel Core i7-860S
CPU 2: Intel Core 2 Duo E6400

PassMark - Single thread mark

CPU 1

CPU 2

1093

825

PassMark - CPU mark

CPU 1

CPU 2

2280

780

Name	Intel Core i7-860S	Intel Core 2 Duo E6400
PassMark - Single thread mark	1093	825
PassMark - CPU mark	2280	780
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.907
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	46.184
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.278
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.222
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.716
Geekbench 4 - Single Core		244
Geekbench 4 - Multi-Core		413

Compare specifications (specs)

	Intel Core i7-860S	Intel Core 2 Duo E6400
Essentials
Architecture codename	Lynnfield	Conroe
Launch date	January 2010	July 2006
Launch price (MSRP)	$422
Place in performance rating	2912	2914
Price now	$198.99	$19.95
Processor Number	i7-860S	E6400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	6.97	19.03
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.53 GHz	2.13 GHz
Bus Speed	2.5 GT/s DMI	1066 MHz FSB
Die size	296 mm2	111 mm2
L1 cache	64 KB (per core)	64 KB
L2 cache	256 KB (per core)	2048 KB
L3 cache	8192 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum frequency	3.46 GHz	2.13 GHz
Number of cores	4	2
Number of threads	8
Transistor count	774 million	167 million
VID voltage range	0.6500V-1.4000V	0.8500V-1.5V
Maximum core temperature		61.4°C
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	16 GB
Supported memory types	DDR3 1066/1333	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA1156	PLGA775, LGA775
Thermal Design Power (TDP)	82 Watt	65 Watt
Scenario Design Power (SDP)		0 W
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16, 2x8
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)