Xeon W-3175X vs Core i7-6900K

Primary details

Comparing Core i7-6900K and Xeon W-3175X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	771	191
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.34	19.74
Market segment	Desktop processor	Server
Series	no data	Intel Xeon W
Architecture codename	Broadwell-E (2016)	Skylake (server) (2017−2019)
Release date	31 May 2016 (8 years ago)	19 December 2018 (5 years ago)
Launch price (MSRP)	$1,020	$2,999
Current price	$186 (0.2x MSRP)	$1500 (0.5x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-3175X has 211% better value for money than i7-6900K.

Detailed specifications

Core i7-6900K and Xeon W-3175X 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 cores	8 (Octa-Core)	28 (Octacosa-Core)
Threads	16	56
Base clock speed	3.2 GHz	3.1 GHz
Boost clock speed	4 GHz	3.8 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	32 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	20 MB (shared)	38.5 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	67°	85 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	8,000 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-6900K and Xeon W-3175X 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 configuration	1	1
Socket	FCLGA2011	FCLGA3647
Power consumption (TDP)	140 Watt	255 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and Xeon W-3175X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	+
Idle States	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	+	-
Status	Discontinued	Discontinued

Security technologies

Core i7-6900K and Xeon W-3175X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and Xeon W-3175X are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and Xeon W-3175X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2666
Maximum memory size	128 GB	512 GB
Max memory channels	4	6
Maximum memory bandwidth	no data	128.001 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and Xeon W-3175X.

PCIe version	3.0	3.0
PCI Express lanes	40	48

Synthetic benchmark performance

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

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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 W-3175X outperforms Core i7-6900K by 158% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	9.33	24.03
Recency	31 May 2016	19 December 2018
Physical cores	8	28
Threads	16	56
Cost	$1020	$2999
Power consumption (TDP)	140 Watt	255 Watt

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Should you still have questions on choice between Core i7-6900K and Xeon W-3175X, ask them in Comments section, and we shall answer.

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