Xeon Silver 4108 vs Silver 4109T

Primary details

Comparing Xeon Silver 4109T and Xeon Silver 4108 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1010	1106
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	17.88	17.16
Market segment	Server	Server
Series	Intel Xeon Silver	Intel Xeon Silver
Architecture codename	Skylake (server) (2017−2019)	Skylake (server) (2017−2019)
Release date	11 July 2017 (7 years ago)	11 July 2017 (7 years ago)
Launch price (MSRP)	$501	$417

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Silver 4109T has 4% better value for money than Xeon Silver 4108.

Detailed specifications

Xeon Silver 4109T and Xeon Silver 4108 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 GHz	1.8 GHz
Boost clock speed	3 GHz	3 GHz
Multiplier	20	18
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	90 °C	77 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Silver 4109T and Xeon Silver 4108 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)	70 Watt	85 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4109T and Xeon Silver 4108. 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	-	-
Status	Launched	Discontinued

Security technologies

Xeon Silver 4109T and Xeon Silver 4108 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4109T and Xeon Silver 4108 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4109T and Xeon Silver 4108. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-2400
Maximum memory size	768 GB	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 4109T and Xeon Silver 4108.

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.

Pros & cons summary

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Performance score	6.69	5.76
Power consumption (TDP)	70 Watt	85 Watt

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Should you still have questions on choice between Xeon Silver 4109T and Xeon Silver 4108, ask them in Comments section, and we shall answer.

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