Xeon E7-8855 v4 vs Silver 4314

Primary details

Comparing Xeon Silver 4314 and Xeon E7-8855 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	324	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	12.78	no data
Architecture codename	Ice Lake-SP (2021)	no data
Release date	6 April 2021 (3 years ago)	1 April 2016 (8 years ago)

Detailed specifications

Xeon Silver 4314 and Xeon E7-8855 v4 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	16 (Hexadeca-Core)	14 (Tetradeca-Core)
Threads	32	28
Base clock speed	2.4 GHz	2.1 GHz
Boost clock speed	3.4 GHz	2.8 GHz
Bus rate	no data	8 GT/s
L1 cache	64K (per core)	no data
L2 cache	1 MB (per core)	no data
L3 cache	24 MB (shared)	35 MB
Chip lithography	10 nm	14 nm
Maximum core temperature	no data	73 °C
Maximum case temperature (TCase)	86 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon Silver 4314 and Xeon E7-8855 v4 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	8
Socket	FCLGA4189	FCLGA2011
Power consumption (TDP)	135 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4314 and Xeon E7-8855 v4. 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	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
PAE	no data	46 Bit
Deep Learning Boost	+	-

Security technologies

Xeon Silver 4314 and Xeon E7-8855 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
SGX	Yes with Intel® SPS	no data
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4314 and Xeon E7-8855 v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4314 and Xeon E7-8855 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2667	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	6 TB	3 TB
Max memory channels	8	4
Maximum memory bandwidth	no data	102 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4314 and Xeon E7-8855 v4.

PCIe version	4.0	3.0
PCI Express lanes	64	32

Pros & cons summary

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Recency	6 April 2021	1 April 2016
Physical cores	16	14
Threads	32	28
Chip lithography	10 nm	14 nm
Power consumption (TDP)	135 Watt	140 Watt

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Should you still have questions on choice between Xeon Silver 4314 and Xeon E7-8855 v4, ask them in Comments section, and we shall answer.

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