Intel Core i5-660 vs Intel Core 2 Duo E8600

Comparative analysis of Intel Core i5-660 and Intel Core 2 Duo E8600 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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).

Intel Core i5-660

Intel Core 2 Duo E8600

Differences

Reasons to consider the Intel Core i5-660

CPU is newer: launch date 1 year(s) 5 month(s) later
Around 8% higher clock speed: 3.60 GHz vs 3.33 GHz
Around 0% higher maximum core temperature: 72.6°C vs 72.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 1426 vs 1401
Around 74% better performance in PassMark - CPU mark: 2400 vs 1378
Around 12% better performance in Geekbench 4 - Single Core: 524 vs 468
Around 45% better performance in Geekbench 4 - Multi-Core: 1157 vs 798

Specifications (specs)
Launch date	January 2010 vs August 2008
Maximum frequency	3.60 GHz vs 3.33 GHz
Maximum core temperature	72.6°C vs 72.4°C
Manufacturing process technology	32 nm vs 45 nm
L1 cache	64 KB (per core) vs 64 KB
Benchmarks
PassMark - Single thread mark	1426 vs 1401
PassMark - CPU mark	2400 vs 1378
Geekbench 4 - Single Core	524 vs 468
Geekbench 4 - Multi-Core	1157 vs 798

Reasons to consider the Intel Core 2 Duo E8600

12x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 12% lower typical power consumption: 65 Watt vs 73 Watt
Around 63% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.368 vs 0.226
2.1x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 27.856 vs 13.08
Around 60% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.109 vs 0.068
2.3x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.7 vs 0.306
Around 94% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2.67 vs 1.375

Specifications (specs)
L2 cache	6144 KB vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 73 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.368 vs 0.226
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	27.856 vs 13.08
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.109 vs 0.068
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.7 vs 0.306
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.67 vs 1.375

Compare benchmarks

CPU 1: Intel Core i5-660
CPU 2: Intel Core 2 Duo E8600

PassMark - Single thread mark

CPU 1

CPU 2

1426

1401

PassMark - CPU mark

CPU 1

CPU 2

2400

1378

Geekbench 4 - Single Core

CPU 1

CPU 2

524

468

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1157

798

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.226

0.368

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

13.08

27.856

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.068

0.109

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.306

0.7

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

1.375

2.67

Name	Intel Core i5-660	Intel Core 2 Duo E8600
PassMark - Single thread mark	1426	1401
PassMark - CPU mark	2400	1378
Geekbench 4 - Single Core	524	468
Geekbench 4 - Multi-Core	1157	798
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.226	0.368
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	13.08	27.856
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.068	0.109
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.306	0.7
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.375	2.67

Compare specifications (specs)

	Intel Core i5-660	Intel Core 2 Duo E8600
Essentials
Architecture codename	Clarkdale	Wolfdale
Launch date	January 2010	August 2008
Launch price (MSRP)	$70
Place in performance rating	2967	2950
Price now	$49	$49.99
Processor Number	i5-660	E8600
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	19.54	14.21
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.33 GHz	3.33 GHz
Bus Speed	2.5 GT/s DMI	1333 MHz FSB
Die size	81 mm2	107 mm2
L1 cache	64 KB (per core)	64 KB
L2 cache	256 KB (per core)	6144 KB
L3 cache	4096 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	72.6°C	72.4°C
Maximum frequency	3.60 GHz	3.33 GHz
Number of cores	2	2
Number of threads	4
Transistor count	382 million	410 million
VID voltage range	0.6500V-1.4000V	0.8500V-1.3625V
Maximum case temperature (TCase)		72 °C
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	16.38 GB
Supported memory types	DDR3 1066/1333	DDR1, DDR2, DDR3
Graphics
Graphics base frequency	733 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	2
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	FCLGA1156	LGA775
Thermal Design Power (TDP)	73 Watt	65 Watt
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
Flexible Display interface (FDI)
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)