Xeon Gold 5403N vs i7-6900K

Primary details

Comparing Core i7-6900K and Xeon Gold 5403N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	834	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.96	no data
Market segment	Desktop processor	Server
Power efficiency	6.16	no data
Architecture codename	Broadwell-E (2016)	no data
Release date	31 May 2016 (8 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$1,020	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6900K and Xeon Gold 5403N 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)	12 (Dodeca-Core)
Threads	16	24
Base clock speed	3.2 GHz	2 GHz
Boost clock speed	4 GHz	3.9 GHz
L1 cache	32 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	20 MB (shared)	22.5 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	no data	85 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	-
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i7-6900K and Xeon Gold 5403N 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	no data
Socket	FCLGA2011	FCLGA4677
Power consumption (TDP)	140 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and Xeon Gold 5403N. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-6900K and Xeon Gold 5403N technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and Xeon Gold 5403N 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 Gold 5403N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4000
Maximum memory size	128 GB	4 TB
Max memory channels	4	8
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and Xeon Gold 5403N.

PCIe version	3.0	4
PCI Express lanes	40	48

Pros & cons summary

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Recency	31 May 2016	1 October 2023
Physical cores	8	12
Threads	16	24
Power consumption (TDP)	140 Watt	115 Watt

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Should you still have questions on choice between Core i7-6900K and Xeon Gold 5403N, ask them in Comments section, and we shall answer.

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