Intel Xeon E7-8870 vs Intel Xeon L5520

Comparative analysis of Intel Xeon E7-8870 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 E7-8870

Intel Xeon L5520

Differences

Reasons to consider the Intel Xeon E7-8870

CPU is newer: launch date 2 year(s) 1 month(s) later
6 more cores, run more applications at once: 10 vs 4
12 more threads: 20 vs 8
Around 13% higher clock speed: 2.80 GHz vs 2.48 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2.5x more L1 cache, more data can be stored in the L1 cache for quick access later
2.5x more L2 cache, more data can be stored in the L2 cache for quick access later
3.8x more L3 cache, more data can be stored in the L3 cache for quick access later
28.4x more maximum memory size: 4 TB vs 144 GB
Around 15% better performance in PassMark - Single thread mark: 1110 vs 969
5.7x better performance in PassMark - CPU mark: 25895 vs 4561

Specifications (specs)
Launch date	April 2011 vs March 2009
Number of cores	10 vs 4
Number of threads	20 vs 8
Maximum frequency	2.80 GHz vs 2.48 GHz
Manufacturing process technology	32 nm vs 45 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	30720 KB (shared) vs 8192 KB (shared)
Maximum memory size	4 TB vs 144 GB
Max number of CPUs in a configuration	8 vs 2
Benchmarks
PassMark - Single thread mark	1110 vs 969
PassMark - CPU mark	25895 vs 4561

Reasons to consider the Intel Xeon L5520

Around 1% higher maximum core temperature: 70°C vs 69°C
2.2x lower typical power consumption: 60 Watt vs 130 Watt

Maximum core temperature	70°C vs 69°C
Thermal Design Power (TDP)	60 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Xeon E7-8870
CPU 2: Intel Xeon L5520

PassMark - Single thread mark

CPU 1

CPU 2

1110

969

PassMark - CPU mark

CPU 1

CPU 2

25895

4561

Name	Intel Xeon E7-8870	Intel Xeon L5520
PassMark - Single thread mark	1110	969
PassMark - CPU mark	25895	4561
Geekbench 4 - Single Core		2032
Geekbench 4 - Multi-Core		6619

Compare specifications (specs)

	Intel Xeon E7-8870	Intel Xeon L5520
Essentials
Architecture codename	Westmere EX	Nehalem EP
Launch date	April 2011	March 2009
Place in performance rating	1439	1432
Processor Number	E7-8870	L5520
Series	Intel® Xeon® Processor E7 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	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	6.4 GT/s QPI	5.86 GT/s QPI
Die size	513 mm	263 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	30720 KB (shared)	8192 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	69°C	70°C
Maximum frequency	2.80 GHz	2.48 GHz
Number of cores	10	4
Number of threads	20	8
Transistor count	2600 million	731 million
Number of QPI Links		2
VID voltage range		0.75V -1.35V
Memory
ECC memory support
Max memory channels	4	3
Maximum memory size	4 TB	144 GB
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)	DDR3 800/1066
Maximum memory bandwidth		25.6 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	8	2
Package Size	49.17mm x 56.47mm	42.5mm x 45mm
Sockets supported	LGA1567	FCLGA1366
Thermal Design Power (TDP)	130 Watt	60 Watt
Peripherals
Scalability	S8S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Idle States
Intel® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)