Xeon E3-1286L v3 vs i7-6700K

Aggregate performance score

Core i7-6700K
2015
4 cores / 8 threads, 91 Watt
5.62
+28.9%
Xeon E3-1286L v3
2014
4 cores / 8 threads, 65 Watt
4.36

Core i7-6700K outperforms Xeon E3-1286L v3 by a significant 29% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6700K and Xeon E3-1286L v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11511361
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.19no data
Market segmentDesktop processorServer
SeriesIntel Core i7 (Desktop)no data
Power efficiency5.846.35
Architecture codenameSkylake (2015−2016)no data
Release date5 August 2015 (9 years ago)1 April 2014 (10 years ago)
Launch price (MSRP)$339no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6700K and Xeon E3-1286L v3 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads88
Base clock speed4 GHz3.2 GHz
Boost clock speed4.2 GHz4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s5 GT/s
Multiplier40no data
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache8 MB (shared)8 MB Intel® Smart Cache
Chip lithography14 nm22 nm
Die size122 mm2no data
Maximum case temperature (TCase)64 °Cno data
Number of transistors1750 Millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-6700K and Xeon E3-1286L v3 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCLGA1151FCLGA1150
Power consumption (TDP)91 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6700K and Xeon E3-1286L v3. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-6700K and Xeon E3-1286L v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® MEno data
OS Guard++
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6700K and Xeon E3-1286L v3 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6700K and Xeon E3-1286L v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3L-1333, DDR3L-1600
Maximum memory size64 GB32 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s25.6 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530no data
Max video memory64 GB1.7 GB
Quick Sync Video++
Clear Video+no data
Clear Video HD++
Graphics max frequency1.15 GHz1.25 GHz
Execution Unitsno data20
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-6700K and Xeon E3-1286L v3 integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI+no data
VGAno data+

Graphics image quality

Maximum display resolutions supported by Core i7-6700K and Xeon E3-1286L v3 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hz3840x2160@60Hz
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hz3840x2160@60Hz
Max resolution over VGAN/A2880x1800@60Hz

Graphics API support

APIs supported by Core i7-6700K and Xeon E3-1286L v3 integrated GPUs, sometimes API versions are included.

DirectX1211.2
OpenGL4.54.3

Peripherals

Specifications and connection of peripherals supported by Core i7-6700K and Xeon E3-1286L v3.

PCIe version3.03.0
PCI Express lanes1616

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-6700K 5.62
+28.9%
Xeon E3-1286L v3 4.36

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-6700K 8935
+29%
Xeon E3-1286L v3 6929

Gaming performance

Pros & cons summary


Performance score 5.62 4.36
Recency 5 August 2015 1 April 2014
Chip lithography 14 nm 22 nm
Power consumption (TDP) 91 Watt 65 Watt

i7-6700K has a 28.9% higher aggregate performance score, an age advantage of 1 year, and a 57.1% more advanced lithography process.

Xeon E3-1286L v3, on the other hand, has 40% lower power consumption.

The Core i7-6700K is our recommended choice as it beats the Xeon E3-1286L v3 in performance tests.

Note that Core i7-6700K is a desktop processor while Xeon E3-1286L v3 is a server/workstation one.


Should you still have questions on choice between Core i7-6700K and Xeon E3-1286L v3, ask them in Comments section, and we shall answer.

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Intel Core i7-6700K
Core i7-6700K
Intel Xeon E3-1286L v3
Xeon E3-1286L v3

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Community ratings

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