Xeon E7-4809 v3 vs Silver 4208

Primary details

Comparing Xeon Silver 4208 and Xeon E7-4809 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1003	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.08	no data
Market segment	Server	Server
Series	Intel Xeon Silver	no data
Power efficiency	7.86	no data
Architecture codename	Cascade Lake (2019−2020)	Haswell-EX (2015)
Release date	2 April 2019 (5 years ago)	1 June 2015 (9 years ago)
Launch price (MSRP)	$417	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Silver 4208 and Xeon E7-4809 v3 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 GHz
Bus rate	no data	6.4 GT/s
Multiplier	21	no data
L1 cache	512 KB	64K (per core)
L2 cache	8 MB	256K (per core)
L3 cache	11 MB	20 MB (shared)
Chip lithography	14 nm	22 nm
Die size	no data	160 mm2
Maximum core temperature	78 °C	no data
Maximum case temperature (TCase)	no data	70 °C
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon Silver 4208 and Xeon E7-4809 v3 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
Socket	FCLGA3647	FCLGA2011
Power consumption (TDP)	85 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 and Xeon E7-4809 v3. 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® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
PAE	no data	46 Bit
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	-

Security technologies

Xeon Silver 4208 and Xeon E7-4809 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4208 and Xeon E7-4809 v3 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 E7-4809 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-1333/1600/1866, DDR3-1066/1333
Maximum memory size	1 TB	1.5 TB
Max memory channels	6	4
Maximum memory bandwidth	115.212 GB/s	85 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and Xeon E7-4809 v3.

PCIe version	3.0	3.0
PCI Express lanes	48	32

Pros & cons summary

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Recency	2 April 2019	1 June 2015
Chip lithography	14 nm	22 nm
Power consumption (TDP)	85 Watt	115 Watt

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Should you still have questions on choice between Xeon Silver 4208 and Xeon E7-4809 v3, ask them in Comments section, and we shall answer.

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