Xeon E7-4820 vs Silver 4208

Primary details

Comparing Xeon Silver 4208 and Xeon E7-4820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	993	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.48	no data
Market segment	Server	Server
Series	Intel Xeon Silver	Intel Xeon E7
Power efficiency	7.88	no data
Architecture codename	Cascade Lake (2019−2020)	Westmere (2010−2011)
Release date	2 April 2019 (5 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	$417	$1,446

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Silver 4208 and Xeon E7-4820 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	2.27 GHz
Bus type	no data	QPI
Bus rate	no data	5.86 GT/s
Multiplier	21	15
L1 cache	512 KB	512 KB
L2 cache	8 MB	2 MB
L3 cache	11 MB	18 MB
Chip lithography	14 nm	32 nm
Die size	no data	513 mm2
Maximum core temperature	78 °C	64 °C
Number of transistors	no data	2600 Million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon Silver 4208 and Xeon E7-4820 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)	4 (Multiprocessor)
Socket	FCLGA3647	LGA1567
Power consumption (TDP)	85 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 and Xeon E7-4820. 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® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	+	+
TSX	+	-
Thermal Monitoring	-	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	-

Security technologies

Xeon Silver 4208 and Xeon E7-4820 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 E7-4820 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 E7-4820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066
Maximum memory size	1 TB	2 TB
Max memory channels	6	4
Maximum memory bandwidth	115.212 GB/s	34.113 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and Xeon E7-4820.

PCIe version	3.0	no data
PCI Express lanes	48	no data

Pros & cons summary

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Recency	2 April 2019	5 April 2011
Chip lithography	14 nm	32 nm
Power consumption (TDP)	85 Watt	105 Watt

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Should you still have questions on choice between Xeon Silver 4208 and Xeon E7-4820, ask them in Comments section, and we shall answer.

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