AMD Opteron 252 vs Intel Xeon 2.66

Comparative analysis of AMD Opteron 252 and Intel Xeon 2.66 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Opteron 252

Intel Xeon 2.66

Differences

Reasons to consider the AMD Opteron 252

CPU is newer: launch date 2 year(s) 3 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 90 nm vs 130 nm
8x 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
Around 75% better performance in PassMark - CPU mark: 760 vs 435

Specifications (specs)
Launch date	February 2005 vs November 2002
Manufacturing process technology	90 nm vs 130 nm
L1 cache	128 KB vs 16 KB
L2 cache	1024 KB vs 512 KB
Benchmarks
PassMark - CPU mark	760 vs 435

Reasons to consider the Intel Xeon 2.66

Around 2% higher clock speed: 2.66 GHz vs 2.6 GHz
Around 3% lower typical power consumption: 89 Watt vs 92 Watt

Maximum frequency	2.66 GHz vs 2.6 GHz
Thermal Design Power (TDP)	89 Watt vs 92 Watt

Compare benchmarks

CPU 1: AMD Opteron 252
CPU 2: Intel Xeon 2.66

PassMark - CPU mark

CPU 1

CPU 2

760

435

Name	AMD Opteron 252	Intel Xeon 2.66
PassMark - Single thread mark	0	0
PassMark - CPU mark	760	435

Compare specifications (specs)

	AMD Opteron 252	Intel Xeon 2.66
Essentials
Architecture codename	Troy	Prestonia
Launch date	February 2005	November 2002
Launch price (MSRP)	$63
Place in performance rating	3245	3266
Price now	$63.36
Value for money (0-100)	3.54
Vertical segment	Server	Server
Performance
64 bit support
L1 cache	128 KB	16 KB
L2 cache	1024 KB	512 KB
Manufacturing process technology	90 nm	130 nm
Maximum frequency	2.6 GHz	2.66 GHz
Number of cores	1	1
Transistor count	106 million	55 million
Die size		217 mm
Compatibility
Max number of CPUs in a configuration	2	2
Sockets supported	940	604
Thermal Design Power (TDP)	92 Watt	89 Watt