Xeon Silver 4416+ vs i9-9940X

Primary details

Comparing Core i9-9940X and Xeon Silver 4416+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	355	151
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.31	72.16
Market segment	Desktop processor	Server
Series	Intel Core i9	no data
Power efficiency	10.05	16.60
Architecture codename	Skylake (server) (2017−2018)	Sapphire Rapids (2023−2024)
Release date	19 October 2018 (6 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$1,387	$1,186

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Silver 4416+ has 1259% better value for money than i9-9940X.

Detailed specifications

Core i9-9940X and Xeon Silver 4416+ 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	14 (Tetradeca-Core)	20 (Icosa-Core)
Threads	28	40
Base clock speed	3.3 GHz	2 GHz
Boost clock speed	4.5 GHz	3.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	no data
L1 cache	64 KB (per core)	80K (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	19.25 MB (shared)	37.5 MB
Chip lithography	14 nm	10 nm
Die size	484 mm2	no data
Maximum core temperature	88 °C	no data
Maximum case temperature (TCase)	no data	82 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9940X and Xeon Silver 4416+ 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 (Uniprocessor)	2
Socket	FCLGA2066	4677
Power consumption (TDP)	165 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9940X and Xeon Silver 4416+. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	+	no data

Security technologies

Core i9-9940X and Xeon Silver 4416+ technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9940X and Xeon Silver 4416+ are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9940X and Xeon Silver 4416+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-4000
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9940X and Xeon Silver 4416+.

PCIe version	3.0	5.0
PCI Express lanes	44	80

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.

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Pros & cons summary

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Performance score	17.62	29.09
Recency	19 October 2018	10 January 2023
Physical cores	14	20
Threads	28	40
Chip lithography	14 nm	10 nm

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Should you still have questions on choice between Core i9-9940X and Xeon Silver 4416+, ask them in Comments section, and we shall answer.

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