Intel Xeon E3-1275 v5 processor review

Xeon E3-1275 v5 processor released by Intel; release date: Q4'15. The processor is designed for server-computers and based on Skylake microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 4.00 GHz. Manufacturing process technology - 14 nm.

Supported memory types: DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V. Maximum memory size: 64 GB.

Supported socket types: FCLGA1151. Maximum number of processors in a configuration - 1. Power consumption (TDP): 80 Watt.

The processor has integrated graphics Intel® HD Graphics P530 with the following parameters: maximum video memory size - 64 GB.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4870

2320

PassMark
CPU mark

Top 1 CPU

This CPU

156834

8395

Geekbench 4
Single Core

Top 1 CPU

This CPU

5311

1072

Geekbench 4
Multi-Core

Top 1 CPU

This CPU

36691

3722

Name	Value
PassMark - Single thread mark	2320
PassMark - CPU mark	8395
Geekbench 4 - Single Core	1072
Geekbench 4 - Multi-Core	3722

Integrated graphics – Intel HD Graphics P530

Technical info
Boost clock speed	1000 MHz
Core clock speed	350 MHz
Manufacturing process technology	14 nm
Pipelines	24
Thermal Design Power (TDP)	15 Watt
Transistor count	189 million

Specifications (specs)

Essentials
Architecture codename	Skylake
Launch date	Q4'15
Place in performance rating	1343
Processor Number	E3-1275V5
Series	Intel® Xeon® Processor E3 v5 Family
Status	Launched
Vertical segment	Server
Performance
64 bit support
Base frequency	3.60 GHz
Bus Speed	8 GT/s DMI3
Manufacturing process technology	14 nm
Maximum frequency	4.00 GHz
Number of cores	4
Number of threads	8
VID voltage range	0.55V-1.52V

Memory
Max memory channels	2
Maximum memory bandwidth	34.1 GB/s
Maximum memory size	64 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Graphics
Device ID	0x191D
Graphics base frequency	400 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 P530
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	4096x2304@24Hz
Graphics API support
DirectX	12
OpenGL	4.4
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1151
Thermal Design Power (TDP)	80 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4
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
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)