Intel Xeon E7340 vs Intel Xeon L5638

Comparative analysis of Intel Xeon E7340 and Intel Xeon L5638 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E7340

Intel Xeon L5638

Differences

Reasons to consider the Intel Xeon E7340

Around 2% better performance in PassMark - Single thread mark: 960 vs 944

Benchmarks
PassMark - Single thread mark	960 vs 944

Reasons to consider the Intel Xeon L5638

2 more cores, run more applications at once: 6 vs 4
Around 29% higher maximum core temperature: 85°C vs 66°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
1572864x 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 10% better performance in PassMark - CPU mark: 7217 vs 6544

Specifications (specs)
Number of cores	6 vs 4
Maximum core temperature	85°C vs 66°C
Manufacturing process technology	32 nm vs 65 nm
L3 cache	12288 KB (shared) vs 8 MB L2 Cache
Thermal Design Power (TDP)	60 Watt vs 80 Watt
Benchmarks
PassMark - CPU mark	7217 vs 6544

Compare benchmarks

CPU 1: Intel Xeon E7340
CPU 2: Intel Xeon L5638

PassMark - Single thread mark

CPU 1

CPU 2

960

944

PassMark - CPU mark

CPU 1

CPU 2

6544

7217

Name	Intel Xeon E7340	Intel Xeon L5638
PassMark - Single thread mark	960	944
PassMark - CPU mark	6544	7217

Compare specifications (specs)

	Intel Xeon E7340	Intel Xeon L5638
Essentials
Architecture codename	Tigerton	Westmere EP
Launch date	Q3'07	March 2010
Place in performance rating	2043	2061
Processor Number	E7340	L5638
Series	Legacy Intel Xeon Processors	Legacy Intel® Xeon® Processors
Vertical segment	Server	Server
Launch price (MSRP)		$90
Price now		$69.90
Status		Launched
Value for money (0-100)		23.41
Performance
64 bit support
Base frequency	2.40 GHz	2.00 GHz
Bus Speed	1066 MHz	5.86 GT/s QPI
Die size	286 mm2	239 mm
L3 cache	8 MB L2 Cache	12288 KB (shared)
Manufacturing process technology	65 nm	32 nm
Maximum core temperature	66°C	85°C
Number of cores	4	6
Transistor count	582 million	1170 million
VID voltage range	1.0V-1.5V	1.0 - 1.5V
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
Maximum frequency		2.40 GHz
Number of QPI Links		2
Number of threads		12
Compatibility
Package Size	53.3mm x 53.3mm
Sockets supported	PGA604, PPGA604	FCLGA1366
Thermal Design Power (TDP)	80 Watt	60 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Intel® AES New Instructions
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Memory
Supported memory types		DDR3