Intel Xeon E5-2640 v4 vs Intel Xeon L5520

Comparative analysis of Intel Xeon E5-2640 v4 and Intel Xeon L5520 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 E5-2640 v4

Intel Xeon L5520

Differences

Reasons to consider the Intel Xeon E5-2640 v4

6 more cores, run more applications at once: 10 vs 4
12 more threads: 20 vs 8
Around 37% higher clock speed: 3.40 GHz vs 2.48 GHz
Around 9% higher maximum core temperature: 76°C vs 70°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
10.7x more maximum memory size: 1.5 TB vs 144 GB
Around 91% better performance in PassMark - Single thread mark: 1850 vs 969
4.6x better performance in PassMark - CPU mark: 20863 vs 4561

Specifications (specs)
Number of cores	10 vs 4
Number of threads	20 vs 8
Maximum frequency	3.40 GHz vs 2.48 GHz
Maximum core temperature	76°C vs 70°C
Manufacturing process technology	14 nm vs 45 nm
Maximum memory size	1.5 TB vs 144 GB
Benchmarks
PassMark - Single thread mark	1850 vs 969
PassMark - CPU mark	20863 vs 4561

Reasons to consider the Intel Xeon L5520

Around 50% lower typical power consumption: 60 Watt vs 90 Watt
2.9x better performance in Geekbench 4 - Single Core: 2032 vs 695
Around 21% better performance in Geekbench 4 - Multi-Core: 6619 vs 5464

Specifications (specs)
Thermal Design Power (TDP)	60 Watt vs 90 Watt
Benchmarks
Geekbench 4 - Single Core	2032 vs 695
Geekbench 4 - Multi-Core	6619 vs 5464

Compare benchmarks

CPU 1: Intel Xeon E5-2640 v4
CPU 2: Intel Xeon L5520

PassMark - Single thread mark

CPU 1

CPU 2

1850

969

PassMark - CPU mark

CPU 1

CPU 2

20863

4561

Geekbench 4 - Single Core

CPU 1

CPU 2

695

2032

Geekbench 4 - Multi-Core

CPU 1

CPU 2

5464

6619

Name	Intel Xeon E5-2640 v4	Intel Xeon L5520
PassMark - Single thread mark	1850	969
PassMark - CPU mark	20863	4561
Geekbench 4 - Single Core	695	2032
Geekbench 4 - Multi-Core	5464	6619

Compare specifications (specs)

	Intel Xeon E5-2640 v4	Intel Xeon L5520
Essentials
Architecture codename	Broadwell	Nehalem EP
Launch date	Q1'16	March 2009
Place in performance rating	1426	1432
Processor Number	E5-2640V4	L5520
Series	Intel® Xeon® Processor E5 v4 Family	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$100
Price now		$12.92
Value for money (0-100)		100.00
Performance
64 bit support
Base frequency	2.40 GHz	2.26 GHz
Bus Speed	8 GT/s QPI	5.86 GT/s QPI
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	76°C	70°C
Maximum frequency	3.40 GHz	2.48 GHz
Number of cores	10	4
Number of QPI Links	2	2
Number of threads	20	8
VID voltage range	0	0.75V -1.35V
Die size		263 mm2
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Transistor count		731 million
Memory
Max memory channels	4	3
Maximum memory bandwidth	68.3 GB/s	25.6 GB/s
Maximum memory size	1.5 TB	144 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 800/1066
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	45mm x 52.5mm	42.5mm x 45mm
Sockets supported	FCLGA2011-3	FCLGA1366
Thermal Design Power (TDP)	90 Watt	60 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
PCIe configurations	x4, x8, x16
Scalability	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	46-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)