Intel Xeon E3-1280 v6 processor review

Xeon E3-1280 v6 processor released by Intel; release date: Q1'17. The processor is designed for server-computers and based on Kaby Lake microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 4.20 GHz. Manufacturing process technology - 14 nm.

Supported memory types: DDR4-2400, DDR3L-1866. Maximum memory size: 64 GB.

Supported socket types: FCLGA1151. Maximum number of processors in a configuration - 1. Power consumption (TDP): 72 Watt.


Single thread mark
Top 1 CPU
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CPU mark
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Geekbench 4
Single Core
Top 1 CPU
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Geekbench 4
Top 1 CPU
This CPU
Name Value
PassMark - Single thread mark 2576
PassMark - CPU mark 9076
Geekbench 4 - Single Core 1049
Geekbench 4 - Multi-Core 4274

Specifications (specs)


Architecture codename Kaby Lake
Launch date Q1'17
Place in performance rating 364
Processor Number E3-1280V6
Series Intel® Xeon® Processor E3 v6 Family
Status Launched
Vertical segment Server


64 bit support
Base frequency 3.90 GHz
Bus Speed 8 GT/s DMI3
Manufacturing process technology 14 nm
Maximum frequency 4.20 GHz
Number of cores 4
Number of threads 8
VID voltage range 0.55V-1.52V


Max memory channels 2
Maximum memory bandwidth 37.5 GB/s
Maximum memory size 64 GB
Supported memory types DDR4-2400, DDR3L-1866


Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video

Graphics interfaces

Number of displays supported 0

Graphics image quality

4K resolution support


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) 72 Watt


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® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring


Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)