Xeon W-2191B vs i7-6900K

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Aggregate performance score

Core i7-6900K
2016
8 cores / 16 threads, 140 Watt
9.11
Xeon W-2191B
2017
18 cores / 36 threads, 140 Watt
17.65
+93.7%

Xeon W-2191B outperforms Core i7-6900K by an impressive 94% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6900K and Xeon W-2191B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking842353
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.04no data
Market segmentDesktop processorServer
Seriesno dataIntel Xeon W
Power efficiency6.1611.93
Architecture codenameBroadwell-E (2016)Skylake (server) (2017−2018)
Release date31 May 2016 (8 years ago)21 December 2017 (7 years ago)
Launch price (MSRP)$1,020no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6900K and Xeon W-2191B 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 cores8 (Octa-Core)18 (Octadeca-Core)
Threads1636
Base clock speed3.2 GHz2.3 GHz
Boost clock speed4 GHz4.3 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data23
L1 cache32 KB (per core)64K (per core)
L2 cache256 KB (per core)1 MB (per core)
L3 cache20 MB (shared)24.75 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data484 mm2
Maximum case temperature (TCase)72 °C66 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-6900K and Xeon W-2191B 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 configuration11 (Uniprocessor)
SocketFCLGA20112066
Power consumption (TDP)140 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and Xeon W-2191B. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX-+
Idle States+no data
Smart Response+no data
Turbo Boost Max 3.0+no data

Security technologies

Core i7-6900K and Xeon W-2191B technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and Xeon W-2191B are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and Xeon W-2191B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2666
Maximum memory size128 GB512 GB
Max memory channels44
Maximum memory bandwidthno data85.33 GB/s
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and Xeon W-2191B.

PCIe version3.03.0
PCI Express lanes4048

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.

i7-6900K 9.11
Xeon W-2191B 17.65
+93.7%

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.

i7-6900K 14470
Xeon W-2191B 28034
+93.7%

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.

i7-6900K 1286
+6.9%
Xeon W-2191B 1203

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.

i7-6900K 7200
Xeon W-2191B 9572
+32.9%

Gaming performance

Pros & cons summary


Performance score 9.11 17.65
Recency 31 May 2016 21 December 2017
Physical cores 8 18
Threads 16 36

Xeon W-2191B has a 93.7% higher aggregate performance score, an age advantage of 1 year, and 125% more physical cores and 125% more threads.

The Xeon W-2191B is our recommended choice as it beats the Core i7-6900K in performance tests.

Note that Core i7-6900K is a desktop processor while Xeon W-2191B is a server/workstation one.


Should you still have questions on choice between Core i7-6900K and Xeon W-2191B, 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 i7-6900K
Core i7-6900K
Intel Xeon W-2191B
Xeon W-2191B

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Community ratings

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Questions & comments

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