Xeon Platinum 8351N vs Gold 6346

Primary details

Comparing Xeon Gold 6346 and Xeon Platinum 8351N processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	181	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	14.86	no data
Market segment	Server	Server
Architecture codename	Ice Lake-SP (2021)	Ice Lake-SP (2021)
Release date	6 April 2021 (3 years ago)	6 April 2021 (3 years ago)
Current price	$2861	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6346 and Xeon Platinum 8351N 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)	36
Threads	32	72
Base clock speed	3.1 GHz	2.4 GHz
Boost clock speed	3.6 GHz	3.5 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	36 MB (shared)	54 MB (shared)
Chip lithography	10 nm	10 nm
Maximum core temperature	78 °C	76 °C
Maximum case temperature (TCase)	78 °C	76 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6346 and Xeon Platinum 8351N 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	1
Socket	FCLGA4189	FCLGA4189
Power consumption (TDP)	205 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6346 and Xeon Platinum 8351N. 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	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Status	Launched	Launched

Security technologies

Xeon Gold 6346 and Xeon Platinum 8351N technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	Yes with Intel® SPS	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6346 and Xeon Platinum 8351N are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6346 and Xeon Platinum 8351N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4-2933
Maximum memory size	6 TB	6 TB
Max memory channels	8	8
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6346 and Xeon Platinum 8351N.

PCIe version	4.0	4.0
PCI Express lanes	64	64

Pros & cons summary

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Physical cores	16	36
Threads	32	72
Power consumption (TDP)	205 Watt	225 Watt

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Should you still have questions on choice between Xeon Gold 6346 and Xeon Platinum 8351N, ask them in Comments section, and we shall answer.

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