Core i7-990X Extreme Edition vs Xeon Silver 4208

Primary details

Comparing Xeon Silver 4208 and Core i7-990X Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	920	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	23.52	no data
Market segment	Server	Desktop processor
Series	Intel Xeon Silver	Intel Core i7EE
Architecture codename	Cascade Lake (2019−2020)	Westmere (2010−2011)
Release date	2 April 2019 (5 years ago)	13 February 2011 (13 years ago)
Launch price (MSRP)	$417	no data
Current price	$254 (0.6x MSRP)	$151

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Silver 4208 and Core i7-990X Extreme Edition 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)	6 (Hexa-Core)
Threads	16	12
Base clock speed	2.1 GHz	no data
Boost clock speed	3.2 GHz	3.46 GHz
Bus support	no data	6.4 GT/s
L1 cache	512 KB	no data
L2 cache	8 MB	1.5 MB
L3 cache	11 MB	12 MB
Chip lithography	14 nm	32 nm
Die size	no data	239 mm2
Maximum core temperature	78 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon Silver 4208 and Core i7-990X Extreme Edition 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)	1 (Uniprocessor)
Socket	FCLGA3647	no data
Power consumption (TDP)	85 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 and Core i7-990X Extreme Edition. 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	no data
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Turbo Boost Max 3.0	-	no data
Status	Launched	no data

Security technologies

Xeon Silver 4208 and Core i7-990X Extreme Edition 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 Xeon Silver 4208 and Core i7-990X Extreme Edition are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4208 and Core i7-990X Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	no data
Maximum memory size	1 TB	24 GB
Max memory channels	6	no data
Maximum memory bandwidth	115.212 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and Core i7-990X Extreme Edition.

PCIe version	3.0	no data
PCI Express lanes	48	no data

Pros & cons summary

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Recency	2 April 2019	13 February 2011
Physical cores	8	6
Threads	16	12
Chip lithography	14 nm	32 nm
Power consumption (TDP)	85 Watt	130 Watt

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Should you still have questions on choice between Xeon Silver 4208 and Core i7-990X Extreme Edition, ask them in Comments section, and we shall answer.

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