Xeon Platinum 8321HC vs Silver 4314

Primary details

Comparing Xeon Silver 4314 and Xeon Platinum 8321HC processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	325	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 October 2020 (4 years ago)

Detailed specifications

Xeon Silver 4314 and Xeon Platinum 8321HC 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)	26 (Hexacosa-Core)
Threads	32	52
Base clock speed	2.4 GHz	1.4 GHz
Boost clock speed	3.4 GHz	3 GHz
L1 cache	64K (per core)	no data
L2 cache	1 MB (per core)	no data
L3 cache	24 MB (shared)	35.75 MB
Chip lithography	10 nm	no data
Maximum case temperature (TCase)	86 °C	no data
64 bit support	+	-
Windows 11 compatibility	+	-

Compatibility

Information on Xeon Silver 4314 and Xeon Platinum 8321HC 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	no data
Socket	FCLGA4189	no data
Power consumption (TDP)	135 Watt	88 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4314 and Xeon Platinum 8321HC. 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	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Deep Learning Boost	+	+

Security technologies

Xeon Silver 4314 and Xeon Platinum 8321HC technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+
SGX	Yes with Intel® SPS	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4314 and Xeon Platinum 8321HC 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 Platinum 8321HC. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2667	RDIMM
Maximum memory size	6 TB	1.12 TB
Max memory channels	8	6
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4314 and Xeon Platinum 8321HC.

PCIe version	4.0	3.0
PCI Express lanes	64	48

Pros & cons summary

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Recency	6 April 2021	1 October 2020
Physical cores	16	26
Threads	32	52
Power consumption (TDP)	135 Watt	88 Watt

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Should you still have questions on choice between Xeon Silver 4314 and Xeon Platinum 8321HC, ask them in Comments section, and we shall answer.

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