Intel Xeon E3-1271 v3 vs Intel Xeon W-2123

Comparative analysis of Intel Xeon E3-1271 v3 and Intel Xeon W-2123 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 W-2123

Differences

Reasons to consider the Intel Xeon E3-1271 v3

Around 3% higher clock speed: 4.00 GHz vs 3.90 GHz
Around 50% lower typical power consumption: 80 Watt vs 120 Watt
Around 4% better performance in PassMark - Single thread mark: 2279 vs 2192
Around 1% better performance in Geekbench 4 - Single Core: 965 vs 952

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.90 GHz
Thermal Design Power (TDP)	80 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	2279 vs 2192
Geekbench 4 - Single Core	965 vs 952

Reasons to consider the Intel Xeon W-2123

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 12% better performance in PassMark - CPU mark: 8472 vs 7535
Around 13% better performance in Geekbench 4 - Multi-Core: 4082 vs 3597

Specifications (specs)
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	512 GB vs 32 GB
Benchmarks
PassMark - CPU mark	8472 vs 7535
Geekbench 4 - Multi-Core	4082 vs 3597

Compare benchmarks

CPU 1: Intel Xeon E3-1271 v3
CPU 2: Intel Xeon W-2123

PassMark - Single thread mark

CPU 1

CPU 2

2279

2192

PassMark - CPU mark

CPU 1

CPU 2

7535

8472

Geekbench 4 - Single Core

CPU 1

CPU 2

965

952

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3597

4082

Name	Intel Xeon E3-1271 v3	Intel Xeon W-2123
PassMark - Single thread mark	2279	2192
PassMark - CPU mark	7535	8472
Geekbench 4 - Single Core	965	952
Geekbench 4 - Multi-Core	3597	4082

Compare specifications (specs)

	Intel Xeon E3-1271 v3	Intel Xeon W-2123
Essentials
Architecture codename	Haswell	Skylake
Launch date	Q2'14	Q3'17
Place in performance rating	1418	1420
Processor Number	E3-1271V3	W-2123
Series	Intel® Xeon® Processor E3 v3 Family	Intel® Xeon® W Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.60 GHz	3.60 GHz
Bus Speed	5 GT/s DMI2	0 GT/s QPI
Manufacturing process technology	22 nm	14 nm
Maximum frequency	4.00 GHz	3.90 GHz
Number of cores	4	4
Number of QPI Links	0	0
Number of threads	8	8
Maximum core temperature		65
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	85.3 GB/s
Maximum memory size	32 GB	512 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V	DDR4 1600/1866/2133/2400/2666
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	45mm x 52.5mm
Sockets supported	FCLGA1150	FCLGA2066
Thermal Design Power (TDP)	80 Watt	120 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16	48
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4	x4, x8, x16
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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
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
Intel® Demand Based Switching
Intel® Optane™ Memory Supported
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units		2
Physical Address Extensions (PAE)		46-bit
Speed Shift technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)