i7-6700K vs Xeon E5-2678 v3

VS

Aggregate performance score

Xeon E5-2678 v3
2015
12 cores / 24 threads, 120 Watt
9.27
+64.7%
Core i7-6700K
2015
4 cores / 8 threads, 91 Watt
5.63

Xeon E5-2678 v3 outperforms Core i7-6700K by an impressive 65% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2678 v3 and Core i7-6700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8271149
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data1.19
Market segmentServerDesktop processor
SeriesXeonIntel Core i7 (Desktop)
Power efficiency7.315.86
Architecture codenameHaswell (2013−2015)Skylake (2015−2016)
Release date2015 (9 years ago)1 September 2015 (9 years ago)
Launch price (MSRP)no data$339

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2678 v3 and Core i7-6700K 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 cores12 (Dodeca-Core)4 (Quad-Core)
Threads248
Base clock speed2.5 GHz4 GHz
Boost clock speed3.3 GHz4.2 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data40
L1 cache384 KB256 KB
L2 cache3072 KB1 MB
L3 cache30 MB8 MB (shared)
Chip lithography22 nm14 nm
Die size356 mm2122 mm2
Maximum case temperature (TCase)84 °C64 °C
Number of transistors5,560 million1750 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Xeon E5-2678 v3 and Core i7-6700K 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 configuration21 (Uniprocessor)
SocketLGA2011-3FCLGA1151
Power consumption (TDP)120 Watt91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2678 v3 and Core i7-6700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX++
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Xeon E5-2678 v3 and Core i7-6700K technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2678 v3 and Core i7-6700K are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2678 v3 and Core i7-6700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3, DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 530
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.15 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon E5-2678 v3 and Core i7-6700K integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Xeon E5-2678 v3 and Core i7-6700K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Xeon E5-2678 v3 and Core i7-6700K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2678 v3 and Core i7-6700K.

PCIe version3.03.0
PCI Express lanes4016

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.

Xeon E5-2678 v3 9.27
+64.7%
i7-6700K 5.63

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.

Xeon E5-2678 v3 14726
+64.8%
i7-6700K 8936

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E5-2678 v3 1015
i7-6700K 1506
+48.4%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E5-2678 v3 6753
+36.7%
i7-6700K 4941

Gaming performance

Pros & cons summary


Performance score 9.27 5.63
Physical cores 12 4
Threads 24 8
Chip lithography 22 nm 14 nm
Power consumption (TDP) 120 Watt 91 Watt

Xeon E5-2678 v3 has a 64.7% higher aggregate performance score, and 200% more physical cores and 200% more threads.

i7-6700K, on the other hand, has a 57.1% more advanced lithography process, and 31.9% lower power consumption.

The Xeon E5-2678 v3 is our recommended choice as it beats the Core i7-6700K in performance tests.

Be aware that Xeon E5-2678 v3 is a server/workstation processor while Core i7-6700K is a desktop one.


Should you still have questions on choice between Xeon E5-2678 v3 and Core i7-6700K, 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 Xeon E5-2678 v3
Xeon E5-2678 v3
Intel Core i7-6700K
Core i7-6700K

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.4 2414 votes

Rate Xeon E5-2678 v3 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 1671 vote

Rate Core i7-6700K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon E5-2678 v3 or Core i7-6700K, agree or disagree with our judgements, or report an error or mismatch.