Intel Xeon L5618 vs Intel Xeon L5640

Comparative analysis of Intel Xeon L5618 and Intel Xeon L5640 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, 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).

Intel Xeon L5618

Intel Xeon L5640

Differences

Reasons to consider the Intel Xeon L5618

Around 25% higher maximum core temperature: 87°C vs 69.4°C
Around 50% lower typical power consumption: 40 Watt vs 60 Watt

Maximum core temperature	87°C vs 69.4°C
Thermal Design Power (TDP)	40 Watt vs 60 Watt

Reasons to consider the Intel Xeon L5640

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 24% higher clock speed: 2.80 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

Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum frequency	2.80 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)

Compare benchmarks

CPU 1: Intel Xeon L5618
CPU 2: Intel Xeon L5640

Name	Intel Xeon L5618	Intel Xeon L5640
PassMark - Single thread mark		1155
PassMark - CPU mark		8525
Geekbench 4 - Single Core		455
Geekbench 4 - Multi-Core		2407
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.022
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		52.531
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.561
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.387

Compare specifications (specs)

	Intel Xeon L5618	Intel Xeon L5640
Essentials
Architecture codename	Westmere EP	Westmere EP
Launch date	March 2010	March 2010
Place in performance rating	not rated	2479
Processor Number	L5618	L5640
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$200
Price now		$34.75
Value for money (0-100)		54.30
Performance
64 bit support
Base frequency	1.87 GHz	2.26 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	87°C	69.4°C
Maximum frequency	2.26 GHz	2.80 GHz
Number of cores	4	6
Number of threads	8	12
Transistor count	1170 million	1170 million
VID voltage range	1.0 - 1.5V	0.750V-1.350V
Number of QPI Links		2
Memory
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
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	40 Watt	60 Watt
Package Size		42.5mm X 45mm
Security & Reliability
Intel® Trusted Execution technology (TXT)
Execute Disable Bit (EDB)
Advanced Technologies
Idle States
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Enhanced Intel SpeedStep® technology
Instruction set extensions		Intel® SSE4.2
Intel® Demand Based Switching
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)