Intel Xeon D-2123IT vs Intel Xeon E3-1275

Comparative analysis of Intel Xeon D-2123IT 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-2123IT

Intel Xeon E3-1275

Differences

Reasons to consider the Intel Xeon D-2123IT

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 58% lower typical power consumption: 60 Watt vs 95 Watt
Around 21% better performance in PassMark - CPU mark: 6673 vs 5503

Specifications (specs)
Manufacturing process technology	14 nm vs 32 nm
Maximum memory size	512 GB vs 32 GB
Thermal Design Power (TDP)	60 Watt vs 95 Watt
Benchmarks
PassMark - CPU mark	6673 vs 5503

Reasons to consider the Intel Xeon E3-1275

Around 27% higher clock speed: 3.80 GHz vs 3.00 GHz
Around 2% better performance in PassMark - Single thread mark: 1770 vs 1734

Specifications (specs)
Maximum frequency	3.80 GHz vs 3.00 GHz
Benchmarks
PassMark - Single thread mark	1770 vs 1734

Compare benchmarks

CPU 1: Intel Xeon D-2123IT
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark

CPU 1

CPU 2

1734

1770

PassMark - CPU mark

CPU 1

CPU 2

6673

5503

Name	Intel Xeon D-2123IT	Intel Xeon E3-1275
PassMark - Single thread mark	1734	1770
PassMark - CPU mark	6673	5503

Compare specifications (specs)

	Intel Xeon D-2123IT	Intel Xeon E3-1275
Essentials
Architecture codename	Skylake	Sandy Bridge
Launch date	Q1'18	April 2011
Place in performance rating	1311	1322
Processor Number	D-2123IT	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	4	4
Number of threads	8	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	2400 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)	60 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