Intel Xeon E3-1285 v6 processor review

Xeon E3-1285 v6 processor released by Intel; release date: August 2017. 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 - 4.50 GHz. Manufacturing process technology - 14 nm. Cache size: L1 - 64 KB (per core), L2 - 256 KB (per core), L3 - 8192 KB (shared).

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): 79 Watt.

The processor has integrated graphics Intel® HD Graphics P630 with the following parameters: maximum video memory size - 64 GB.


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Top 1 CPU
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Geekbench 4
Single Core
Top 1 CPU
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Geekbench 4
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Name Value
PassMark - Single thread mark 2692
PassMark - CPU mark 9276
Geekbench 4 - Single Core 5311
Geekbench 4 - Multi-Core 18224

Integrated graphics – Intel HD Graphics P630

Technical info

Boost clock speed 1150 MHz
Core clock speed 300 MHz
Manufacturing process technology 14 nm
Pipelines 24
Thermal Design Power (TDP) 15 Watt
Transistor count 189 million

Specifications (specs)


Architecture codename Kaby Lake
Launch date August 2017
Place in performance rating 72
Price now $450
Processor Number E3-1285V6
Series Intel® Xeon® Processor E3 v6 Family
Status Launched
Value for money (0-100) 7.82
Vertical segment Server


64 bit support
Base frequency 4.10 GHz
Bus Speed 8 GT/s DMI3
Die size 160 mm
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 8192 KB (shared)
Manufacturing process technology 14 nm
Maximum frequency 4.50 GHz
Number of cores 4
Number of threads 8
Transistor count 1400 million
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


Device ID 0x191D
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

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


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) 79 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® Advanced Vector Extensions (AVX)
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)