Intel Xeon E5-2667 vs Intel Xeon E5606

Comparative analysis of Intel Xeon E5-2667 and Intel Xeon E5606 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-2667

Intel Xeon E5606

Differences

Reasons to consider the Intel Xeon E5-2667

CPU is newer: launch date 1 year(s) 0 month(s) later
2 more cores, run more applications at once: 6 vs 4
8 more threads: 12 vs 4
Around 64% higher clock speed: 3.50 GHz vs 2.13 GHz
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 88% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 33% higher maximum memory size: 384 GB vs 288 GB
Around 78% better performance in PassMark - Single thread mark: 1566 vs 882
3x better performance in PassMark - CPU mark: 12829 vs 4258

Specifications (specs)
Launch date	March 2012 vs February 2011
Number of cores	6 vs 4
Number of threads	12 vs 4
Maximum frequency	3.50 GHz vs 2.13 GHz
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	15360 KB (shared) vs 8192 KB (shared)
Maximum memory size	384 GB vs 288 GB
Benchmarks
PassMark - Single thread mark	1566 vs 882
PassMark - CPU mark	12829 vs 4258

Reasons to consider the Intel Xeon E5606

Around 63% lower typical power consumption: 80 Watt vs 130 Watt
2.4x better performance in Geekbench 4 - Single Core: 1615 vs 672
Around 19% better performance in Geekbench 4 - Multi-Core: 4812 vs 4039

Specifications (specs)
Thermal Design Power (TDP)	80 Watt vs 130 Watt
Benchmarks
Geekbench 4 - Single Core	1615 vs 672
Geekbench 4 - Multi-Core	4812 vs 4039

Compare benchmarks

CPU 1: Intel Xeon E5-2667
CPU 2: Intel Xeon E5606

PassMark - Single thread mark

CPU 1

CPU 2

1566

882

PassMark - CPU mark

CPU 1

CPU 2

12829

4258

Geekbench 4 - Single Core

CPU 1

CPU 2

672

1615

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4039

4812

Name	Intel Xeon E5-2667	Intel Xeon E5606
PassMark - Single thread mark	1566	882
PassMark - CPU mark	12829	4258
Geekbench 4 - Single Core	672	1615
Geekbench 4 - Multi-Core	4039	4812

Compare specifications (specs)

	Intel Xeon E5-2667	Intel Xeon E5606
Essentials
Architecture codename	Sandy Bridge EP	Westmere EP
Launch date	March 2012	February 2011
Launch price (MSRP)	$714	$46
Place in performance rating	1728	1720
Price now	$226	$219
Processor Number	E5-2667	E5606
Series	Intel® Xeon® Processor E5 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	13.51	4.10
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.90 GHz	2.13 GHz
Bus Speed	8 GT/s QPI	4.8 GT/s QPI
Die size	435 mm	239 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	15360 KB (shared)	8192 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	85.0°C
Maximum frequency	3.50 GHz	2.13 GHz
Number of cores	6	4
Number of QPI Links	2	2
Number of threads	12	4
Transistor count	2270 million	1170 million
VID voltage range	0.60V-1.35V	0.750V-1.350V
Memory
ECC memory support
Max memory channels	4	3
Maximum memory bandwidth	51.2 GB/s	25.6 GB/s
Maximum memory size	384 GB	288 GB
Supported memory types	DDR3 800/1066/1333/1600	DDR3 800/1066
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45.0mm	42.5mm X 45mm
Sockets supported	FCLGA2011	FCLGA1366
Thermal Design Power (TDP)	130 Watt	80 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
Scalability	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)