Intel Core i7-6900K vs Intel Xeon Gold 6142

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CPU comparison with benchmarks


Intel Core i7-6900K CPU1 vs CPU2 Intel Xeon Gold 6142
Intel Core i7-6900K Intel Xeon Gold 6142

CPU comparison

Intel Core i7-6900K or Intel Xeon Gold 6142 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i7-6900K has 8 cores with 16 threads and clocks with a maximum frequency of 3.70 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i7-6900K was released in Q2/2016.

The Intel Xeon Gold 6142 has 16 cores with 32 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 768 GB of memory in 6 memory channels. The Intel Xeon Gold 6142 was released in Q3/2017.
Intel Core i7 Extreme Edition (24) Family Intel Xeon Gold (163)
Intel Core i 6000 (24) CPU group Intel Xeon Gold 5100/6100 (34)
6 Generation 1
Skylake S Architecture Skylake
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-6900K has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i7-6900K is 3.20 GHz (3.70 GHz) while the Intel Xeon Gold 6142 has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6142 is at 2.60 GHz (3.70 GHz).

Intel Core i7-6900K Characteristic Intel Xeon Gold 6142
8 Cores 16
16 Threads 32
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
3.20 GHz Frequency 2.60 GHz
3.70 GHz Turbo Frequency (1 Core) 3.70 GHz
-- Turbo Frequency (All Cores) 2.90 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i7-6900K Characteristic Intel Xeon Gold 6142
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-6900K or Intel Xeon Gold 6142 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i7-6900K can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 76.8 GB/s. The Intel Xeon Gold 6142 supports up to 768 GB of memory in 6 memory channels and achieves a memory bandwidth of up to 128.1 GB/s.

Intel Core i7-6900K Characteristic Intel Xeon Gold 6142
DDR4-2400 Memory DDR4-2666
128 GB Max. Memory 768 GB
4 (Quad Channel) Memory channels 6 (Hexa Channel)
76.8 GB/s Max. Bandwidth 128.1 GB/s
No ECC Yes
-- L2 Cache --
20.00 MB L3 Cache 22.00 MB
3.0 PCIe version 3.0
40 PCIe lanes 48
39.4 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-6900K is 140 W, while the Intel Xeon Gold 6142 has a TDP of 150 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-6900K Characteristic Intel Xeon Gold 6142
140 W TDP (PL1 / PBP) 150 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i7-6900K is manufactured in 14 nm and has 20.00 MB cache. The Intel Xeon Gold 6142 is manufactured in 14 nm and has a 22.00 MB cache.

Intel Core i7-6900K Characteristic Intel Xeon Gold 6142
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 2011-3 Socket LGA 3647
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2016 Release date Q3/2017
-- Release price 5900 $
show more data show more data


Rate these processors

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Here you can rate the Intel Xeon Gold 6142 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i7-6900K (100%)
Intel Xeon Gold 6142 (96%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core i7-6900K (59%)
Intel Xeon Gold 6142 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
1086 (100%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 3.70 GHz
1057 (97%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
7651 (59%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 2.90 GHz
12876 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
1254 (100%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 3.70 GHz
1188 (95%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
1151 (100%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 3.70 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
11326 (100%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 2.90 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
7471 (100%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 2.90 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
14474 (100%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 2.90 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
4402 (100%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 2.60 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
0 (0%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 3.70 GHz
161 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
0 (0%)
Intel Xeon Gold 6142 Intel Xeon Gold 6142
16C 32T @ 2.90 GHz
2578 (100%)

Devices using this processor

Intel Core i7-6900K Intel Xeon Gold 6142
Unknown Unknown

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