Xeon Silver 4109T vs Silver 4208

Primary details

Comparing Xeon Silver 4208 and Xeon Silver 4109T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	993	1045
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.49	6.17
Market segment	Server	Server
Series	Intel Xeon Silver	Intel Xeon Silver
Power efficiency	7.88	8.80
Architecture codename	Cascade Lake (2019−2020)	Skylake (server) (2017−2018)
Release date	2 April 2019 (5 years ago)	11 July 2017 (7 years ago)
Launch price (MSRP)	$417	$501

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Silver 4208 has 200% better value for money than Xeon Silver 4109T.

Detailed specifications

Xeon Silver 4208 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	2.1 GHz	2 GHz
Boost clock speed	3.2 GHz	3 GHz
Multiplier	21	20
L1 cache	512 KB	512 KB
L2 cache	8 MB	8 MB
L3 cache	11 MB	11 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	78 °C	90 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Silver 4208 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	2 (Multiprocessor)	2 (Multiprocessor)
Socket	FCLGA3647	FCLGA3647
Power consumption (TDP)	85 Watt	70 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 and Xeon Silver 4109T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	-
Deep Learning Boost	+	-

Security technologies

Xeon Silver 4208 and Xeon Silver 4109T technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4208 and Xeon Silver 4109T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4208 and Xeon Silver 4109T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-2400
Maximum memory size	1 TB	768 GB
Max memory channels	6	6
Maximum memory bandwidth	115.212 GB/s	115.212 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and Xeon Silver 4109T.

PCIe version	3.0	3.0
PCI Express lanes	48	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.

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Pros & cons summary

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Performance score	7.08	6.51
Recency	2 April 2019	11 July 2017
Power consumption (TDP)	85 Watt	70 Watt

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Should you still have questions on choice between Xeon Silver 4208 and Xeon Silver 4109T, ask them in Comments section, and we shall answer.

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