Intel Xeon E3-1275 v6 vs Intel Xeon W-2125

Comparative analysis of Intel Xeon E3-1275 v6 and Intel Xeon W-2125 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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 E3-1275 v6

Intel Xeon W-2125

Differences

Reasons to consider the Intel Xeon E3-1275 v6

Around 64% lower typical power consumption: 73 Watt vs 120 Watt
Around 4% better performance in Geekbench 4 - Single Core: 1103 vs 1056

Specifications (specs)
Thermal Design Power (TDP)	73 Watt vs 120 Watt
Benchmarks
Geekbench 4 - Single Core	1103 vs 1056

Reasons to consider the Intel Xeon W-2125

Around 7% higher clock speed: 4.50 GHz vs 4.20 GHz
8x more maximum memory size: 512 GB vs 64 GB
Around 8% better performance in PassMark - CPU mark: 10001 vs 9303
Around 9% better performance in Geekbench 4 - Multi-Core: 4624 vs 4237

Specifications (specs)
Maximum frequency	4.50 GHz vs 4.20 GHz
Maximum memory size	512 GB vs 64 GB
Benchmarks
PassMark - Single thread mark	2563 vs 2556
PassMark - CPU mark	10001 vs 9303
Geekbench 4 - Multi-Core	4624 vs 4237

Compare benchmarks

CPU 1: Intel Xeon E3-1275 v6
CPU 2: Intel Xeon W-2125

PassMark - Single thread mark

CPU 1

CPU 2

2556

2563

PassMark - CPU mark

CPU 1

CPU 2

9303

10001

Geekbench 4 - Single Core

CPU 1

CPU 2

1103

1056

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4237

4624

Name	Intel Xeon E3-1275 v6	Intel Xeon W-2125
PassMark - Single thread mark	2556	2563
PassMark - CPU mark	9303	10001
Geekbench 4 - Single Core	1103	1056
Geekbench 4 - Multi-Core	4237	4624

Compare specifications (specs)

	Intel Xeon E3-1275 v6	Intel Xeon W-2125
Essentials
Architecture codename	Kaby Lake	Skylake
Launch date	Q1'17	Q3'17
Place in performance rating	1144	1133
Processor Number	E3-1275V6	W-2125
Series	Intel® Xeon® Processor E3 v6 Family	Intel® Xeon® W Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.80 GHz	4.00 GHz
Bus Speed	8 GT/s DMI3	0 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum frequency	4.20 GHz	4.50 GHz
Number of cores	4	4
Number of threads	8	8
VID voltage range	0.55V-1.52V
Maximum core temperature		64
Number of QPI Links		0
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	2	4
Maximum memory bandwidth	37.5 GB/s	85.3 GB/s
Maximum memory size	64 GB	512 GB
Supported memory types	DDR4-2400, DDR3L-1866	DDR4 1600/1866/2133/2400/2666
Graphics
Device ID	0x591D
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB
Processor graphics	Intel® HD Graphics P630
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2160@24Hz
Graphics API support
DirectX	12
OpenGL	4.4
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	FCLGA1151	FCLGA2066
Thermal Design Power (TDP)	73 Watt	120 Watt
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
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® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Intel® Flex Memory Access
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)