Intel Xeon Silver 4114 vs Intel Xeon D-1521

Comparative analysis of Intel Xeon Silver 4114 and Intel Xeon D-1521 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 Silver 4114

Intel Xeon D-1521

Differences

Reasons to consider the Intel Xeon Silver 4114

6 more cores, run more applications at once: 10 vs 4
12 more threads: 20 vs 8
Around 11% higher clock speed: 3.00 GHz vs 2.70 GHz
6x more maximum memory size: 768 GB vs 128 GB
3.7x better performance in PassMark - CPU mark: 20918 vs 5696

Specifications (specs)
Number of cores	10 vs 4
Number of threads	20 vs 8
Maximum frequency	3.00 GHz vs 2.70 GHz
Maximum memory size	768 GB vs 128 GB
Benchmarks
PassMark - CPU mark	20918 vs 5696

Reasons to consider the Intel Xeon D-1521

Around 89% lower typical power consumption: 45 Watt vs 85 Watt
Around 1% better performance in PassMark - Single thread mark: 1685 vs 1665

Specifications (specs)
Thermal Design Power (TDP)	45 Watt vs 85 Watt
Benchmarks
PassMark - Single thread mark	1685 vs 1665

Compare benchmarks

CPU 1: Intel Xeon Silver 4114
CPU 2: Intel Xeon D-1521

PassMark - Single thread mark

CPU 1

CPU 2

1665

1685

PassMark - CPU mark

CPU 1

CPU 2

20918

5696

Name	Intel Xeon Silver 4114	Intel Xeon D-1521
PassMark - Single thread mark	1665	1685
PassMark - CPU mark	20918	5696
Geekbench 4 - Single Core	675
Geekbench 4 - Multi-Core	5733

Compare specifications (specs)

	Intel Xeon Silver 4114	Intel Xeon D-1521
Essentials
Architecture codename	Skylake	Broadwell
Launch date	Q3'17	Q4'15
Place in performance rating	1476	1471
Processor Number	4114	D-1521
Series	Intel® Xeon® Scalable Processors	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
Base frequency	2.20 GHz	2.40 GHz
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	78°C
Maximum frequency	3.00 GHz	2.70 GHz
Number of cores	10	4
Number of threads	20	8
Number of Ultra Path Interconnect (UPI) Links	2
64 bit support
Memory
Max memory channels	6	2
Maximum memory size	768 GB	128 GB
Supported memory frequency	2400 MHz	2133 MHz
Supported memory types	DDR4-2400	DDR4, DDR3
Compatibility
Low Halogen Options Available
Package Size	76.0mm x 56.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA3647	FCBGA1667
Thermal Design Power (TDP)	85 Watt	45 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	48	32
PCI Express revision	3.0	2.0/3.0
Scalability	2S	1S Only
Integrated LAN
Number of USB ports		8
PCIe configurations		x4 x8 x16
Total number of SATA ports		6
UART
USB revision		2.0/3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Intel® OS Guard
Intel® Secure Key technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® AVX2
Intel 64
Intel® AES New Instructions
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	1
Speed Shift technology
General-Purpose Input/Output (GPIO)
Idle States
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)