Xeon Silver 4516Y vs Platinum 8256

Primary details

Comparing Xeon Platinum 8256 and Xeon Silver 4516Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	728	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.90	no data
Market segment	Server	Server
Series	Intel Xeon Platinum	no data
Power efficiency	9.53	no data
Architecture codename	Cascade Lake-SP (2018−2019)	no data
Release date	2 April 2019 (5 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$7,007	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8256 and Xeon Silver 4516Y 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	4 (Quad-Core)	24 (Tetracosa-Core)
Threads	8	48
Base clock speed	3.8 GHz	2.2 GHz
Boost clock speed	3.9 GHz	3.7 GHz
Multiplier	38	no data
L1 cache	256 KB	no data
L2 cache	4 MB	no data
L3 cache	16.5 MB (shared)	45 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	72 °C	81 °C
Number of transistors	8,000 million	no data
64 bit support	+	-
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Platinum 8256 and Xeon Silver 4516Y 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	8 (Multiprocessor)	no data
Socket	FCLGA3647	FCLGA4677
Power consumption (TDP)	105 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8256 and Xeon Silver 4516Y. 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® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	+

Security technologies

Xeon Platinum 8256 and Xeon Silver 4516Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8256 and Xeon Silver 4516Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8256 and Xeon Silver 4516Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-4400
Maximum memory size	1 TB	4 TB
Max memory channels	6	8
Maximum memory bandwidth	140.8 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8256 and Xeon Silver 4516Y.

PCIe version	3.0	5.0
PCI Express lanes	48	80

Pros & cons summary

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Recency	2 April 2019	1 October 2023
Physical cores	4	24
Threads	8	48
Power consumption (TDP)	105 Watt	185 Watt

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Should you still have questions on choice between Xeon Platinum 8256 and Xeon Silver 4516Y, ask them in Comments section, and we shall answer.

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