Xeon Gold 5420+ vs w5-2455X

Primary details

Comparing Xeon w5-2455X and Xeon Gold 5420+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	210	94
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	62.29	58.72
Market segment	Server	Server
Power efficiency	11.27	16.92
Architecture codename	Sapphire Rapids (2023−2024)	Sapphire Rapids (2023−2024)
Release date	15 February 2023 (1 year ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$1,039	$1,848

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w5-2455X has 6% better value for money than Xeon Gold 5420+.

Detailed specifications

Xeon w5-2455X and Xeon Gold 5420+ 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)	28 (Octacosa-Core)
Threads	24	56
Base clock speed	3.2 GHz	2 GHz
Boost clock speed	4.6 GHz	4.1 GHz
L1 cache	80 KB (per core)	80K (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	30 MB	52.5 MB
Chip lithography	Intel 7 nm	10 nm
Maximum case temperature (TCase)	77 °C	84 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Xeon w5-2455X and Xeon Gold 5420+ 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	1	2
Socket	FCLGA4677	4677
Power consumption (TDP)	200 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon w5-2455X and Xeon Gold 5420+. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Xeon w5-2455X and Xeon Gold 5420+ technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon w5-2455X and Xeon Gold 5420+ are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon w5-2455X and Xeon Gold 5420+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-4400
Maximum memory size	2 TB	no data
Max memory channels	4	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 w5-2455X and Xeon Gold 5420+.

PCIe version	5.0	5.0
PCI Express lanes	64	80

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	24.71	38.04
Recency	15 February 2023	10 January 2023
Physical cores	12	28
Threads	24	56
Power consumption (TDP)	200 Watt	205 Watt

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Should you still have questions on choice between Xeon w5-2455X and Xeon Gold 5420+, ask them in Comments section, and we shall answer.

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