Xeon D-2146NT vs i7-6700K

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Aggregate performance score

Core i7-6700K
2015
4 cores / 8 threads, 91 Watt
5.79
Xeon D-2146NT
2018
8 cores / 16 threads, 80 Watt
7.61
+31.4%

Xeon D-2146NT outperforms i7-6700K by a substantial 31% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6700K and Xeon D-2146NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1114952
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.138.90
Market segmentDesktop processorServer
SeriesIntel Core i7 (Desktop)Intel Xeon D
Architecture codenameSkylake (2015−2016)Skylake (server) (2017−2019)
Release date1 August 2015 (9 years ago)7 February 2018 (6 years ago)
Launch price (MSRP)$339$641

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon D-2146NT has 688% better value for money than i7-6700K.

Detailed specifications

Core i7-6700K and Xeon D-2146NT 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)8 (Octa-Core)
Threads816
Base clock speed4 GHz2.3 GHz
Boost clock speed4.2 GHz3 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier4023
L1 cache64K (per core)512 KB
L2 cache256K (per core)8 MB
L3 cache8 MB (shared)11 MB
Chip lithography14 nm14 nm
Die size122 mm2no data
Maximum case temperature (TCase)72 °Cno data
Number of transistors1750 Millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-6700K and Xeon D-2146NT 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 (Uniprocessor)
SocketFCLGA1151FCBGA2518
Power consumption (TDP)91 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6700K and Xeon D-2146NT. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
QuickAssistno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
Turbo Boost Max 3.0no data-
StatusDiscontinuedLaunched

Security technologies

Core i7-6700K and Xeon D-2146NT technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX++
Identity Protection+-
SGXYes with Intel® ME-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6700K and Xeon D-2146NT 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 D-2146NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4
Maximum memory size64 GB512 GB
Max memory channels24
Maximum memory bandwidth34.134 GB/s85.33 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6700K and Xeon D-2146NT integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6700K and Xeon D-2146NT integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i7-6700K and Xeon D-2146NT integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6700K and Xeon D-2146NT.

PCIe version3.03.0
PCI Express lanes1632

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 5.79
Xeon D-2146NT 7.61
+31.4%

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 8927
Xeon D-2146NT 11736
+31.5%

Gaming performance

Pros & cons summary


Performance score 5.79 7.61
Recency 1 August 2015 7 February 2018
Physical cores 4 8
Threads 8 16
Power consumption (TDP) 91 Watt 80 Watt

Xeon D-2146NT has a 31.4% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, and 13.8% lower power consumption.

The Xeon D-2146NT is our recommended choice as it beats the Core i7-6700K in performance tests.

Note that Core i7-6700K is a desktop processor while Xeon D-2146NT is a server/workstation one.


Should you still have questions on choice between Core i7-6700K and Xeon D-2146NT, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-6700K
Core i7-6700K
Intel Xeon D-2146NT
Xeon D-2146NT

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Community ratings

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Questions & comments

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