Intel Core i5-660 vs AMD Athlon 64 X2 6400+ BE

Comparative analysis of Intel Core i5-660 and AMD Athlon 64 X2 6400+ BE 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

AMD Athlon 64 X2 6400+ BE

Differences

Reasons to consider the Intel Core i5-660

CPU is newer: launch date 2 year(s) 5 month(s) later
Around 13% higher clock speed: 3.60 GHz vs 3.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 90 nm
Around 71% lower typical power consumption: 73 Watt vs 125 Watt
Around 27% better performance in PassMark - Single thread mark: 1433 vs 1131
2.5x better performance in PassMark - CPU mark: 2418 vs 982

Specifications (specs)
Launch date	January 2010 vs August 2007
Maximum frequency	3.60 GHz vs 3.2 GHz
Manufacturing process technology	32 nm vs 90 nm
Thermal Design Power (TDP)	73 Watt vs 125 Watt
Benchmarks
PassMark - Single thread mark	1433 vs 1131
PassMark - CPU mark	2418 vs 982

Reasons to consider the AMD Athlon 64 X2 6400+ BE

2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.9x better performance in Geekbench 4 - Single Core: 1531 vs 524
2.1x better performance in Geekbench 4 - Multi-Core: 2453 vs 1157

Specifications (specs)
L1 cache	256 KB vs 64 KB (per core)
L2 cache	1024 KB vs 256 KB (per core)
Benchmarks
Geekbench 4 - Single Core	1531 vs 524
Geekbench 4 - Multi-Core	2453 vs 1157

Compare benchmarks

CPU 1: Intel Core i5-660
CPU 2: AMD Athlon 64 X2 6400+ BE

PassMark - Single thread mark

CPU 1

CPU 2

1433

1131

PassMark - CPU mark

CPU 1

CPU 2

2418

982

Geekbench 4 - Single Core

CPU 1

CPU 2

524

1531

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1157

2453

Name	Intel Core i5-660	AMD Athlon 64 X2 6400+ BE
PassMark - Single thread mark	1433	1131
PassMark - CPU mark	2418	982
Geekbench 4 - Single Core	524	1531
Geekbench 4 - Multi-Core	1157	2453
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.226
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	13.08
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.068
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.306
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.375

Compare specifications (specs)

	Intel Core i5-660	AMD Athlon 64 X2 6400+ BE
Essentials
Architecture codename	Clarkdale	Windsor
Launch date	January 2010	August 2007
Launch price (MSRP)	$70
Place in performance rating	2974	1854
Price now	$49
Processor Number	i5-660
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	19.54
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.33 GHz
Bus Speed	2.5 GT/s DMI
Die size	81 mm2	230 mm
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	1024 KB
L3 cache	4096 KB (shared)
Manufacturing process technology	32 nm	90 nm
Maximum core temperature	72.6°C
Maximum frequency	3.60 GHz	3.2 GHz
Number of cores	2	2
Number of threads	4
Transistor count	382 million	227 million
VID voltage range	0.6500V-1.4000V
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	16.38 GB
Supported memory types	DDR3 1066/1333
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
Sockets supported	FCLGA1156	AM2
Thermal Design Power (TDP)	73 Watt	125 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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)