Intel Xeon D-2143IT vs Intel Xeon E3-1275

Comparative analysis of Intel Xeon D-2143IT and Intel Xeon E3-1275 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon D-2143IT

Intel Xeon E3-1275

Differences

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 32 nm
16x more maximum memory size: 512 GB vs 32 GB
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
2.2x better performance in PassMark - CPU mark: 12207 vs 5516

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
Manufacturing process technology	14 nm vs 32 nm
Maximum memory size	512 GB vs 32 GB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - CPU mark	12207 vs 5516

Reasons to consider the Intel Xeon E3-1275

Around 27% higher clock speed: 3.80 GHz vs 3.00 GHz
Around 14% better performance in PassMark - Single thread mark: 1773 vs 1558

Specifications (specs)
Maximum frequency	3.80 GHz vs 3.00 GHz
Benchmarks
PassMark - Single thread mark	1773 vs 1558

Compare benchmarks

CPU 1: Intel Xeon D-2143IT
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark

CPU 1

CPU 2

1558

1773

PassMark - CPU mark

CPU 1

CPU 2

12207

5516

Name	Intel Xeon D-2143IT	Intel Xeon E3-1275
PassMark - Single thread mark	1558	1773
PassMark - CPU mark	12207	5516

Compare specifications (specs)

	Intel Xeon D-2143IT	Intel Xeon E3-1275
Essentials
Architecture codename	Skylake	Sandy Bridge
Launch date	Q1'18	April 2011
Place in performance rating	1417	1411
Processor Number	D-2143IT	E3-1275
Series	Intel® Xeon® D Processor	Intel® Xeon® Processor E3 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$450
Price now		$304
Value for money (0-100)		8.09
Performance
64 bit support
Base frequency	2.20 GHz	3.40 GHz
Manufacturing process technology	14 nm	32 nm
Maximum frequency	3.00 GHz	3.80 GHz
Number of cores	8	4
Number of threads	16	8
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		5 GT/s DMI
Die size		216 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Maximum core temperature		72.6°C
Transistor count		1160 million
Memory
Max memory channels	4	2
Maximum memory size	512 GB	32 GB
Supported memory frequency	2133 MHz
Supported memory types	DDR4	DDR3 1066/1333
ECC memory support
Maximum memory bandwidth		21 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	FCBGA2518	LGA1155
Thermal Design Power (TDP)	65 Watt	95 Watt
Package Size		37.5mm x 37.5mm
Peripherals
Max number of PCIe lanes	32	20
PCI Express revision	3.0	2.0
PCIe configurations	>
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
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
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Integrated Intel® QuickAssist Technology
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)
Number of AVX-512 FMA Units	1
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Graphics base frequency		850 MHz
Graphics max dynamic frequency		1.35 GHz
Graphics max frequency		1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel HD Graphics P3000
Graphics interfaces
Number of displays supported		2
Wireless Display (WiDi) support