Intel Xeon X5460 vs Intel Xeon 2.66

Comparative analysis of Intel Xeon X5460 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: 3DMark Fire Strike - Physics Score, PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon X5460

Intel Xeon 2.66

Differences

Reasons to consider the Intel Xeon X5460

CPU is newer: launch date 5 year(s) 0 month(s) later
3 more cores, run more applications at once: 4 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
16x more L1 cache, more data can be stored in the L1 cache for quick access later
24x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	12 Nov 2007 vs November 2002
Number of cores	4 vs 1
Manufacturing process technology	45 nm vs 130 nm
L1 cache	256 KB vs 16 KB
L2 cache	12 MB vs 512 KB

Reasons to consider the Intel Xeon 2.66

Around 35% lower typical power consumption: 89 Watt vs 120 Watt

Thermal Design Power (TDP)	89 Watt vs 120 Watt

Compare benchmarks

CPU 1: Intel Xeon X5460
CPU 2: Intel Xeon 2.66

Name	Intel Xeon X5460	Intel Xeon 2.66
3DMark Fire Strike - Physics Score	0
PassMark - Single thread mark		0
PassMark - CPU mark		435

Compare specifications (specs)

	Intel Xeon X5460	Intel Xeon 2.66
Essentials
Architecture codename	Harpertown	Prestonia
Launch date	12 Nov 2007	November 2002
Launch price (MSRP)	$1172
Place in performance rating	3275	3266
Processor Number	X5460
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.16 GHz
Bus Speed	1333 MHz
L1 cache	256 KB	16 KB
L2 cache	12 MB	512 KB
Manufacturing process technology	45 nm	130 nm
Maximum case temperature (TCase)	63 °C
Number of cores	4	1
Number of threads	4
Transistor count	820 million	55 million
VID voltage range	0.85V - 1.35V
Die size		217 mm
Maximum frequency		2.66 GHz
Compatibility
Sockets supported	LGA771	604
Thermal Design Power (TDP)	120 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
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)