AMD Opteron 6344 vs Intel Xeon X5672

Comparative analysis of AMD Opteron 6344 and Intel Xeon X5672 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, 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).

AMD Opteron 6344

Intel Xeon X5672

Differences

Reasons to consider the AMD Opteron 6344

8 more cores, run more applications at once: 12 vs 4
4 more threads: 12 vs 8
2.3x 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 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 2% better performance in PassMark - CPU mark: 9023 vs 8848

Specifications (specs)
Number of cores	12 vs 4
Number of threads	12 vs 8
L1 cache	576 KB vs 64 KB (per core)
L2 cache	12 MB vs 256 KB (per core)
L3 cache	16 MB vs 12288 KB (shared)
Benchmarks
PassMark - CPU mark	9023 vs 8848

Reasons to consider the Intel Xeon X5672

Around 80% higher clock speed: 3.60 GHz vs 2 GHz
Around 18% higher maximum core temperature: 82.9°C vs 70.40°C
Around 21% lower typical power consumption: 95 Watt vs 115 Watt
2.2x better performance in PassMark - Single thread mark: 1507 vs 672

Specifications (specs)
Maximum frequency	3.60 GHz vs 2 GHz
Maximum core temperature	82.9°C vs 70.40°C
Thermal Design Power (TDP)	95 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1507 vs 672

Compare benchmarks

CPU 1: AMD Opteron 6344
CPU 2: Intel Xeon X5672

PassMark - Single thread mark

CPU 1

CPU 2

672

1507

PassMark - CPU mark

CPU 1

CPU 2

9023

8848

Name	AMD Opteron 6344	Intel Xeon X5672
PassMark - Single thread mark	672	1507
PassMark - CPU mark	9023	8848
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.321
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		71.955
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.639
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.315
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		10.253

Compare specifications (specs)

	AMD Opteron 6344	Intel Xeon X5672
Essentials
Family	AMD Opteron
OPN Tray	OS6344WKTCGHK
Place in performance rating	2442	2311
Series	AMD Opteron 6300 Series Processor	Legacy Intel® Xeon® Processors
Vertical segment	Server	Server
Architecture codename		Westmere EP
Launch date		February 2011
Launch price (MSRP)		$115
Price now		$283.72
Processor Number		X5672
Status		Discontinued
Value for money (0-100)		6.66
Performance
Base frequency	2.6 GHz	3.20 GHz
L1 cache	576 KB	64 KB (per core)
L2 cache	12 MB	256 KB (per core)
L3 cache	16 MB	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	70.40°C	82.9°C
Maximum frequency	2 GHz	3.60 GHz
Number of cores	12	4
Number of threads	12	8
Unlocked
64 bit support
Bus Speed		6.4 GT/s QPI
Die size		239 mm
Number of QPI Links		2
Transistor count		1170 million
VID voltage range		0.750V-1.350V
Memory
Supported memory frequency	2000 MHz
Supported memory types	DDR3	DDR3 800/1066/1333
ECC memory support
Max memory channels		3
Maximum memory bandwidth		32 GB/s
Maximum memory size		288 GB
Compatibility
Sockets supported	G34	FCLGA1366
Thermal Design Power (TDP)	115 Watt	95 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
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)