Intel Xeon E5-4657L v2 vs Intel Xeon D-2123IT

Comparative analysis of Intel Xeon E5-4657L v2 and Intel Xeon D-2123IT 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.

Intel Xeon E5-4657L v2

Intel Xeon D-2123IT

Differences

Reasons to consider the Intel Xeon E5-4657L v2

8 more cores, run more applications at once: 12 vs 4
16 more threads: 24 vs 8
Around 50% higher maximum memory size: 768 GB vs 512 GB
3.2x better performance in PassMark - CPU mark: 21548 vs 6676

Specifications (specs)
Number of cores	12 vs 4
Number of threads	24 vs 8
Maximum memory size	768 GB vs 512 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	21548 vs 6676

Reasons to consider the Intel Xeon D-2123IT

Around 3% higher clock speed: 3.00 GHz vs 2.90 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 92% lower typical power consumption: 60 Watt vs 115 Watt
Around 34% better performance in PassMark - Single thread mark: 1725 vs 1291

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.90 GHz
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	60 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1725 vs 1291

Compare benchmarks

CPU 1: Intel Xeon E5-4657L v2
CPU 2: Intel Xeon D-2123IT

PassMark - Single thread mark

CPU 1

CPU 2

1291

1725

PassMark - CPU mark

CPU 1

CPU 2

21548

6676

Name	Intel Xeon E5-4657L v2	Intel Xeon D-2123IT
PassMark - Single thread mark	1291	1725
PassMark - CPU mark	21548	6676

Compare specifications (specs)

	Intel Xeon E5-4657L v2	Intel Xeon D-2123IT
Essentials
Architecture codename	Ivy Bridge EP	Skylake
Launch date	Q1'14	Q1'18
Place in performance rating	1304	1325
Processor Number	E5-4657LV2	D-2123IT
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.40 GHz	2.20 GHz
Bus Speed	8 GT/s QPI
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	81°C
Maximum frequency	2.90 GHz	3.00 GHz
Number of cores	12	4
Number of QPI Links	2
Number of threads	24	8
VID voltage range	0.65-1.30V
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	4	4
Maximum memory bandwidth	59.7 GB/s
Maximum memory size	768 GB	512 GB
Supported memory types	DDR3 800/1066/1333/1600/1866	DDR4
Supported memory frequency		2400 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	52.5 mm x 51 mm
Sockets supported	FCLGA2011	FCBGA2518
Thermal Design Power (TDP)	115 Watt	60 Watt
Peripherals
Max number of PCIe lanes	40	32
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	>
Scalability	4S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
Integrated Intel® QuickAssist Technology
Intel® Optane™ Memory Supported
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units		1
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)