Intel Xeon X5260 vs Intel Xeon 2.66

Comparative analysis of Intel Xeon X5260 and Intel Xeon 2.66 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: 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), PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon X5260

Intel Xeon 2.66

Differences

Reasons to consider the Intel Xeon X5260

CPU is newer: launch date 5 year(s) 0 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: 45 nm vs 130 nm
8x more L1 cache, more data can be stored in the L1 cache for quick access later
12x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 11% lower typical power consumption: 80 Watt vs 89 Watt

Launch date	11 Nov 2007 vs November 2002
Number of cores	2 vs 1
Manufacturing process technology	45 nm vs 130 nm
L1 cache	128 KB vs 16 KB
L2 cache	6 MB vs 512 KB
Thermal Design Power (TDP)	80 Watt vs 89 Watt

Compare benchmarks

CPU 1: Intel Xeon X5260
CPU 2: Intel Xeon 2.66

Name	Intel Xeon X5260	Intel Xeon 2.66
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.436
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	31.038
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.121
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.907
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.139
PassMark - Single thread mark		0
PassMark - CPU mark		435

Compare specifications (specs)

	Intel Xeon X5260	Intel Xeon 2.66
Essentials
Architecture codename	Wolfdale	Prestonia
Launch date	11 Nov 2007	November 2002
Launch price (MSRP)	$851
Place in performance rating	3207	3266
Processor Number	X5260
Series	Legacy Intel Xeon Processors
Status	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.33 GHz
Bus Speed	1333 MHz
Die size	107 mm2	217 mm
L1 cache	128 KB	16 KB
L2 cache	6 MB	512 KB
Manufacturing process technology	45 nm	130 nm
Maximum core temperature	66°C
Number of cores	2	1
Number of threads	2
Transistor count	410 million	55 million
VID voltage range	0.8500V-1.3500V
Maximum frequency		2.66 GHz
Compatibility
Package Size	37.5mm x 37.5mm
Sockets supported	LGA771	604
Thermal Design Power (TDP)	80 Watt	89 Watt
Max number of CPUs in a configuration		2
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)