Intel Xeon W-2123 vs Intel Xeon E3-1275

Comparative analysis of Intel Xeon W-2123 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon W-2123

Intel Xeon E3-1275

Differences

Reasons to consider the Intel Xeon W-2123

Around 3% higher clock speed: 3.90 GHz vs 3.80 GHz
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 24% better performance in PassMark - Single thread mark: 2191 vs 1773
Around 53% better performance in PassMark - CPU mark: 8467 vs 5516

Specifications (specs)
Maximum frequency	3.90 GHz vs 3.80 GHz
Manufacturing process technology	14 nm vs 32 nm
Maximum memory size	512 GB vs 32 GB
Benchmarks
PassMark - Single thread mark	2191 vs 1773
PassMark - CPU mark	8467 vs 5516

Reasons to consider the Intel Xeon E3-1275

Around 12% higher maximum core temperature: 72.6°C vs 65
Around 26% lower typical power consumption: 95 Watt vs 120 Watt

Maximum core temperature	72.6°C vs 65
Thermal Design Power (TDP)	95 Watt vs 120 Watt

Compare benchmarks

CPU 1: Intel Xeon W-2123
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark

CPU 1

CPU 2

2191

1773

PassMark - CPU mark

CPU 1

CPU 2

8467

5516

Name	Intel Xeon W-2123	Intel Xeon E3-1275
PassMark - Single thread mark	2191	1773
PassMark - CPU mark	8467	5516
Geekbench 4 - Single Core	952
Geekbench 4 - Multi-Core	4082

Compare specifications (specs)

	Intel Xeon W-2123	Intel Xeon E3-1275
Essentials
Architecture codename	Skylake	Sandy Bridge
Launch date	Q3'17	April 2011
Place in performance rating	1418	1410
Processor Number	W-2123	E3-1275
Series	Intel® Xeon® W 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	3.60 GHz	3.40 GHz
Bus Speed	0 GT/s QPI	5 GT/s DMI
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	65	72.6°C
Maximum frequency	3.90 GHz	3.80 GHz
Number of cores	4	4
Number of QPI Links	0
Number of threads	8	8
Number of Ultra Path Interconnect (UPI) Links	0
Die size		216 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Transistor count		1160 million
Memory
Max memory channels	4	2
Maximum memory bandwidth	85.3 GB/s	21 GB/s
Maximum memory size	512 GB	32 GB
Supported memory types	DDR4 1600/1866/2133/2400/2666	DDR3 1066/1333
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	45mm x 52.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA2066	LGA1155
Thermal Design Power (TDP)	120 Watt	95 Watt
Peripherals
Max number of PCIe lanes	48	20
PCI Express revision	3.0	2.0
PCIe configurations	x4, x8, x16
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
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
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
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	2
Physical Address Extensions (PAE)	46-bit
Speed Shift technology
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
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