Xeon w5-2455X vs Gold 6256

Primary details

Comparing Xeon Gold 6256 and Xeon w5-2455X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	144	208
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	62.29
Market segment	Server	Server
Power efficiency	13.59	11.27
Architecture codename	no data	Sapphire Rapids (2023−2024)
Release date	1 January 2020 (4 years ago)	15 February 2023 (1 year ago)
Launch price (MSRP)	no data	$1,039

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6256 and Xeon w5-2455X 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	12 (Dodeca-Core)	12 (Dodeca-Core)
Threads	24	24
Base clock speed	3.6 GHz	3.2 GHz
Boost clock speed	4.5 GHz	4.6 GHz
L1 cache	no data	80 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	33 MB	30 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	64 °C	no data
Maximum case temperature (TCase)	no data	77 °C
64 bit support	-	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Gold 6256 and Xeon w5-2455X 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	no data	1
Socket	FCLGA3647	FCLGA4677
Power consumption (TDP)	205 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6256 and Xeon w5-2455X. 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® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	+
Deep Learning Boost	+	+

Security technologies

Xeon Gold 6256 and Xeon w5-2455X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6256 and Xeon w5-2455X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6256 and Xeon w5-2455X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-4800
Maximum memory size	1 TB	2 TB
Max memory channels	6	4
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6256 and Xeon w5-2455X.

PCIe version	3.0	5.0
PCI Express lanes	48	64

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	30.56	24.71
Recency	1 January 2020	15 February 2023
Power consumption (TDP)	205 Watt	200 Watt

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Should you still have questions on choice between Xeon Gold 6256 and Xeon w5-2455X, ask them in Comments section, and we shall answer.

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