Xeon Silver 4109T vs Core i9-9900X

Primary details

Comparing Core i9-9900X and Xeon Silver 4109T processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	487	970
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	13.73	8.19
Market segment	Desktop processor	Server
Series	Intel Core i9	Intel Xeon Silver
Architecture codename	Skylake (server) (2017−2019)	Skylake (server) (2017−2019)
Release date	8 October 2018 (5 years ago)	11 July 2017 (6 years ago)
Launch price (MSRP)	$989	$501
Current price	$468 (0.5x MSRP)	$334 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900X has 68% better value for money than Xeon Silver 4109T.

Detailed specifications

Core i9-9900X and Xeon Silver 4109T 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	10 (Deca-Core)	8 (Octa-Core)
Threads	20	16
Base clock speed	3.5 GHz	2 GHz
Boost clock speed	4.5 GHz	3 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	640 KB	512 KB
L2 cache	10 MB	8 MB
L3 cache	19.25 MB (shared)	11 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	92 °C	90 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	No

Compatibility

Information on Core i9-9900X and Xeon Silver 4109T 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	2 (Multiprocessor)
Socket	FCLGA2066	FCLGA3647
Power consumption (TDP)	165 Watt	70 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Xeon Silver 4109T. 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	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	+	+
Turbo Boost Max 3.0	+	-
Status	Discontinued	Launched

Security technologies

Core i9-9900X and Xeon Silver 4109T technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Xeon Silver 4109T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Xeon Silver 4109T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2400
Maximum memory size	128 GB	768 GB
Max memory channels	4	6
Maximum memory bandwidth	85 GB/s	115.212 GB/s
ECC memory support	-	+

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 i9-9900X and Xeon Silver 4109T.

PCIe version	3.0	3.0
PCI Express lanes	44	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.

Core i9-9900X outperforms Xeon Silver 4109T by 111% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	14.10	6.69
Recency	8 October 2018	11 July 2017
Physical cores	10	8
Threads	20	16
Cost	$989	$501
Power consumption (TDP)	165 Watt	70 Watt

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Should you still have questions on choice between Core i9-9900X and Xeon Silver 4109T, ask them in Comments section, and we shall answer.

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