Intel Xeon W-2123 vs Intel Xeon L5520

Comparative analysis of Intel Xeon W-2123 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 W-2123

Intel Xeon L5520

Differences

Reasons to consider the Intel Xeon W-2123

Around 57% higher clock speed: 3.90 GHz vs 2.48 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
3.6x more maximum memory size: 512 GB vs 144 GB
2.3x better performance in PassMark - Single thread mark: 2186 vs 969
Around 86% better performance in PassMark - CPU mark: 8496 vs 4561

Specifications (specs)
Maximum frequency	3.90 GHz vs 2.48 GHz
Manufacturing process technology	14 nm vs 45 nm
Maximum memory size	512 GB vs 144 GB
Benchmarks
PassMark - Single thread mark	2186 vs 969
PassMark - CPU mark	8496 vs 4561

Reasons to consider the Intel Xeon L5520

Around 8% higher maximum core temperature: 70°C vs 65
2x lower typical power consumption: 60 Watt vs 120 Watt
2.1x better performance in Geekbench 4 - Single Core: 2032 vs 952
Around 62% better performance in Geekbench 4 - Multi-Core: 6619 vs 4082

Specifications (specs)
Maximum core temperature	70°C vs 65
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	60 Watt vs 120 Watt
Benchmarks
Geekbench 4 - Single Core	2032 vs 952
Geekbench 4 - Multi-Core	6619 vs 4082

Compare benchmarks

CPU 1: Intel Xeon W-2123
CPU 2: Intel Xeon L5520

PassMark - Single thread mark

CPU 1

CPU 2

2186

969

PassMark - CPU mark

CPU 1

CPU 2

8496

4561

Geekbench 4 - Single Core

CPU 1

CPU 2

952

2032

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4082

6619

Name	Intel Xeon W-2123	Intel Xeon L5520
PassMark - Single thread mark	2186	969
PassMark - CPU mark	8496	4561
Geekbench 4 - Single Core	952	2032
Geekbench 4 - Multi-Core	4082	6619

Compare specifications (specs)

	Intel Xeon W-2123	Intel Xeon L5520
Essentials
Architecture codename	Skylake	Nehalem EP
Launch date	Q3'17	March 2009
Place in performance rating	1426	1432
Processor Number	W-2123	L5520
Series	Intel® Xeon® W Processor	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	3.60 GHz	2.26 GHz
Bus Speed	0 GT/s QPI	5.86 GT/s QPI
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	65	70°C
Maximum frequency	3.90 GHz	2.48 GHz
Number of cores	4	4
Number of QPI Links	0	2
Number of threads	8	8
Number of Ultra Path Interconnect (UPI) Links	0
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
VID voltage range		0.75V -1.35V
Memory
Max memory channels	4	3
Maximum memory bandwidth	85.3 GB/s	25.6 GB/s
Maximum memory size	512 GB	144 GB
Supported memory types	DDR4 1600/1866/2133/2400/2666	DDR3 800/1066
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	45mm x 52.5mm	42.5mm x 45mm
Sockets supported	FCLGA2066	FCLGA1366
Thermal Design Power (TDP)	120 Watt	60 Watt
Peripherals
Max number of PCIe lanes	48
PCI Express revision	3.0
PCIe configurations	x4, x8, x16
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units	2
Physical Address Extensions (PAE)	46-bit	40-bit
Speed Shift technology
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)