Intel Xeon E3-1281 v3 processor review

Xeon E3-1281 v3 processor released by Intel; release date: Q2'14. The processor is designed for server-computers and based on Haswell microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 4.10 GHz. Manufacturing process technology - 22 nm.

Supported memory types: DDR3 and DDR3L 1333/1600 at 1.5V. Maximum memory size: 32 GB.

Supported socket types: FCLGA1150. Maximum number of processors in a configuration - 1. Power consumption (TDP): 82 Watt.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4870

2331

PassMark
CPU mark

Top 1 CPU

This CPU

156834

7463

Geekbench 4
Single Core

Top 1 CPU

This CPU

5311

1005

Geekbench 4
Multi-Core

Top 1 CPU

This CPU

36691

3597

Name	Value
PassMark - Single thread mark	2331
PassMark - CPU mark	7463
Geekbench 4 - Single Core	1005
Geekbench 4 - Multi-Core	3597

Specifications (specs)

Essentials
Architecture codename	Haswell
Launch date	Q2'14
Place in performance rating	1386
Processor Number	E3-1281V3
Series	Intel® Xeon® Processor E3 v3 Family
Status	Launched
Vertical segment	Server
Performance
64 bit support
Base frequency	3.70 GHz
Bus Speed	5 GT/s DMI2
Manufacturing process technology	22 nm
Maximum frequency	4.10 GHz
Number of cores	4
Number of QPI Links	0
Number of threads	8

Memory
Max memory channels	2
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1150
Thermal Design Power (TDP)	82 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4
Scalability	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)
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® 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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)