Intel Xeon E3-1271 v3 vs Intel Xeon D-2143IT

Comparative analysis of Intel Xeon E3-1271 v3 and Intel Xeon D-2143IT 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 E3-1271 v3

Intel Xeon D-2143IT

Differences

Reasons to consider the Intel Xeon E3-1271 v3

Around 33% higher clock speed: 4.00 GHz vs 3.00 GHz
Around 46% better performance in PassMark - Single thread mark: 2275 vs 1558

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.00 GHz
Benchmarks
PassMark - Single thread mark	2275 vs 1558

Reasons to consider the Intel Xeon D-2143IT

4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
16x more maximum memory size: 512 GB vs 32 GB
Around 23% lower typical power consumption: 65 Watt vs 80 Watt
Around 63% better performance in PassMark - CPU mark: 12207 vs 7510

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	512 GB vs 32 GB
Thermal Design Power (TDP)	65 Watt vs 80 Watt
Benchmarks
PassMark - CPU mark	12207 vs 7510

Compare benchmarks

CPU 1: Intel Xeon E3-1271 v3
CPU 2: Intel Xeon D-2143IT

PassMark - Single thread mark

CPU 1

CPU 2

2275

1558

PassMark - CPU mark

CPU 1

CPU 2

7510

12207

Name	Intel Xeon E3-1271 v3	Intel Xeon D-2143IT
PassMark - Single thread mark	2275	1558
PassMark - CPU mark	7510	12207
Geekbench 4 - Single Core	965
Geekbench 4 - Multi-Core	3597

Compare specifications (specs)

	Intel Xeon E3-1271 v3	Intel Xeon D-2143IT
Essentials
Architecture codename	Haswell	Skylake
Launch date	Q2'14	Q1'18
Place in performance rating	1416	1417
Processor Number	E3-1271V3	D-2143IT
Series	Intel® Xeon® Processor E3 v3 Family	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.60 GHz	2.20 GHz
Bus Speed	5 GT/s DMI2
Manufacturing process technology	22 nm	14 nm
Maximum frequency	4.00 GHz	3.00 GHz
Number of cores	4	8
Number of QPI Links	0
Number of threads	8	16
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	32 GB	512 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V	DDR4
Supported memory frequency		2133 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1150	FCBGA2518
Thermal Design Power (TDP)	80 Watt	65 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16	32
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4	>
Scalability	1S Only	1S Only
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
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® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
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)