Intel Xeon E5607 vs Intel Xeon L5638

Comparative analysis of Intel Xeon E5607 and Intel Xeon L5638 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.

Intel Xeon E5607

Intel Xeon L5638

Differences

Reasons to consider the Intel Xeon E5607

CPU is newer: launch date 11 month(s) later
Around 7% better performance in PassMark - Single thread mark: 1009 vs 944

Specifications (specs)
Launch date	February 2011 vs March 2010
Benchmarks
PassMark - Single thread mark	1009 vs 944

Reasons to consider the Intel Xeon L5638

2 more cores, run more applications at once: 6 vs 4
8 more threads: 12 vs 4
Around 6% higher clock speed: 2.40 GHz vs 2.26 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 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 33% lower typical power consumption: 60 Watt vs 80 Watt
Around 45% better performance in PassMark - CPU mark: 7217 vs 4969

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 4
Maximum frequency	2.40 GHz vs 2.26 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	12288 KB (shared) vs 8192 KB (shared)
Thermal Design Power (TDP)	60 Watt vs 80 Watt
Benchmarks
PassMark - CPU mark	7217 vs 4969

Compare benchmarks

CPU 1: Intel Xeon E5607
CPU 2: Intel Xeon L5638

PassMark - Single thread mark

CPU 1

CPU 2

1009

944

PassMark - CPU mark

CPU 1

CPU 2

4969

7217

Name	Intel Xeon E5607	Intel Xeon L5638
PassMark - Single thread mark	1009	944
PassMark - CPU mark	4969	7217

Compare specifications (specs)

	Intel Xeon E5607	Intel Xeon L5638
Essentials
Architecture codename	Westmere EP	Westmere EP
Launch date	February 2011	March 2010
Launch price (MSRP)	$135	$90
Place in performance rating	2060	2061
Price now	$310	$69.90
Processor Number	E5607	L5638
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Value for money (0-100)	3.23	23.41
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.26 GHz	2.00 GHz
Bus Speed	4.8 GT/s QPI	5.86 GT/s QPI
Die size	239 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	8192 KB (shared)	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum frequency	2.26 GHz	2.40 GHz
Number of cores	4	6
Number of QPI Links	2	2
Number of threads	4	12
Transistor count	1170 million	1170 million
VID voltage range	0.750V-1.350V	1.0 - 1.5V
Maximum core temperature		85°C
Memory
ECC memory support
Max memory channels	3
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	288 GB
Supported memory types	DDR3 800/1066	DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	42.5mm X 45mm
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	80 Watt	60 Watt
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)