Intel Xeon E5640 vs Intel Xeon L5630

Comparative analysis of Intel Xeon E5640 and Intel Xeon L5630 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5640

Intel Xeon L5630

Differences

Reasons to consider the Intel Xeon E5640

Around 22% higher clock speed: 2.93 GHz vs 2.40 GHz
Around 23% higher maximum core temperature: 77.6°C vs 63.1°C
Around 30% better performance in PassMark - Single thread mark: 1252 vs 964
Around 42% better performance in PassMark - CPU mark: 7455 vs 5267

Specifications (specs)
Maximum frequency	2.93 GHz vs 2.40 GHz
Maximum core temperature	77.6°C vs 63.1°C
Benchmarks
PassMark - Single thread mark	1252 vs 964
PassMark - CPU mark	7455 vs 5267

Reasons to consider the Intel Xeon L5630

2x lower typical power consumption: 40 Watt vs 80 Watt

Thermal Design Power (TDP)	40 Watt vs 80 Watt

Compare benchmarks

CPU 1: Intel Xeon E5640
CPU 2: Intel Xeon L5630

PassMark - Single thread mark

CPU 1

CPU 2

1252

964

PassMark - CPU mark

CPU 1

CPU 2

7455

5267

Name	Intel Xeon E5640	Intel Xeon L5630
PassMark - Single thread mark	1252	964
PassMark - CPU mark	7455	5267
Geekbench 4 - Single Core	476
Geekbench 4 - Multi-Core	2185

Compare specifications (specs)

	Intel Xeon E5640	Intel Xeon L5630
Essentials
Architecture codename	Westmere EP	Westmere EP
Launch date	March 2010	March 2010
Launch price (MSRP)	$49	$1,100
Place in performance rating	2217	2185
Price now	$59.49	$17.33
Processor Number	E5640	L5630
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	26.06	74.27
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.66 GHz	2.13 GHz
Bus Speed	5.86 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	12288 KB (shared)	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	77.6°C	63.1°C
Maximum frequency	2.93 GHz	2.40 GHz
Number of cores	4	4
Number of QPI Links	2	2
Number of threads	8	8
Transistor count	1170 million	1170 million
VID voltage range	0.750V-1.350V	0.750V-1.350V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	288 GB	288 GB
Supported memory types	DDR3 800/1066	DDR3 800/1066
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	42.5mm X 45mm	42.5mm X 45mm
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	80 Watt	40 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® 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	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)