AMD Opteron 6168 vs Intel Xeon L5609

Comparative analysis of AMD Opteron 6168 and Intel Xeon L5609 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Opteron 6168

Intel Xeon L5609

Differences

Reasons to consider the AMD Opteron 6168

8 more cores, run more applications at once: 12 vs 4
Around 2% higher clock speed: 1.9 GHz vs 1.86 GHz
3x more L1 cache, more data can be stored in the L1 cache for quick access later
72x more L2 cache, more data can be stored in the L2 cache for quick access later
4.8x better performance in PassMark - CPU mark: 15745 vs 3298

Specifications (specs)
Number of cores	12 vs 4
Maximum frequency	1.9 GHz vs 1.86 GHz
L1 cache	768 KB (shared) vs 64 KB (per core)
L2 cache	6144 KB (per core) vs 256 KB (per core)
Benchmarks
PassMark - CPU mark	15745 vs 3298

Reasons to consider the Intel Xeon L5609

A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2.9x lower typical power consumption: 40 Watt vs 115 Watt
Around 37% better performance in PassMark - Single thread mark: 1160 vs 845

Specifications (specs)
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	40 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1160 vs 845

Compare benchmarks

CPU 1: AMD Opteron 6168
CPU 2: Intel Xeon L5609

PassMark - Single thread mark

CPU 1

CPU 2

845

1160

PassMark - CPU mark

CPU 1

CPU 2

15745

3298

Name	AMD Opteron 6168	Intel Xeon L5609
PassMark - Single thread mark	845	1160
PassMark - CPU mark	15745	3298

Compare specifications (specs)

	AMD Opteron 6168	Intel Xeon L5609
Essentials
Architecture codename	Magny-Cours	Westmere EP
Launch date	March 2010	March 2010
Place in performance rating	2039	2058
Vertical segment	Server	Server
Processor Number		L5609
Series		Legacy Intel® Xeon® Processors
Status		Discontinued
Performance
64 bit support
Die size	346 mm	239 mm
L1 cache	768 KB (shared)	64 KB (per core)
L2 cache	6144 KB (per core)	256 KB (per core)
L3 cache	12288 KB	12288 KB (shared)
Manufacturing process technology	45 nm	32 nm
Maximum case temperature (TCase)	69 °C
Maximum frequency	1.9 GHz	1.86 GHz
Number of cores	12	4
Transistor count	1800 million	1170 million
Base frequency		1.86 GHz
Bus Speed		4.8 GT/s QPI
Maximum core temperature		63.1°C
Number of QPI Links		2
Number of threads		4
VID voltage range		0.750V-1.350V
Memory
Supported memory types	DDR3	DDR3 800/1066
ECC memory support
Max memory channels		3
Maximum memory bandwidth		25.6 GB/s
Maximum memory size		288 GB
Compatibility
Max number of CPUs in a configuration	2	2
Sockets supported	G34	FCLGA1366
Thermal Design Power (TDP)	115 Watt	40 Watt
Low Halogen Options Available
Package Size		42.5mm x 45mm
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
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
Physical Address Extensions (PAE)		40-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)